I’ve owned a telescope for over a decade, and I’ve owned more eyepieces than I’d like to admit. After years of swapping fixed focal length eyepieces in the dark, fumbling with lens caps, and losing precious observing time on focus changes, I switched almost entirely to zoom eyepieces for my own viewing.
If you’re shopping for the best zoom eyepieces for telescopes, this guide is the result of months of testing eight models side by side on a Celestron 8″ SCT, a Sky-Watcher 8″ Newtonian, and a smaller 80mm refractor. I evaluated optical sharpness across the zoom range, eye relief for glasses, build quality, and how each held up under cold-weather observing sessions.
Inside, you’ll find my top three picks up front, a comparison table covering all eight models, detailed reviews with real-world notes, a buying section covering focal ratio compatibility and parfocal design, and an FAQ that answers the questions I hear most often from readers. Every product on this list is still in production and shipping, and ratings reflect current Amazon data from 2026.
Table of Contents
Top 3 Picks for Best Zoom Eyepieces for Telescopes (October 2026)
Celestron 8-24mm Zoom Eyepiece
- 8-24mm zoom range
- 55 degree FOV
- Fully multi-coated optics
- Smooth twist zoom
SVBONY SV135 7-21mm Zoom Eyepiece
- 7-21mm zoom range
- 40-57 degree FOV
- 18mm eye relief
- Solid metal build
Baader Hyperion Mark IV 8-24mm Zoom
- 68 degree wide FOV
- 1.25 and 2 inch barrels
- Constant eye relief
- M43 photo thread
Best Zoom Eyepieces for Telescopes in 2026
| Product | Specifications | Action |
|---|---|---|
| Celestron 8-24mm Zoom Eyepiece |
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| SVBONY SV135 7-21mm Zoom |
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 SVBONY SV215 3-8mm Planetary Zoom |
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| Baader Hyperion Mark IV 8-24mm |
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 SVBONY SV245 8-16mm Zoom |
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 Alstar 8-24mm Zoom Eyepiece |
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 SVBONY SV191 7.2-21.6mm Zoom |
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 SVBONY SV230 8-20mm Flagship Zoom |
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Check Latest Price |
1. Celestron 8-24mm Zoom Eyepiece – Best Overall Value
Celestron 8-24mm Zoom Telescope Eyepiece with Fully Multi-Coated Optics
Focal length: 8-24mm
FOV: 55 degrees
Eye relief: 15mm
Pros
- Replaces multiple eyepieces
- Smooth twist zoom
- Fully multi-coated optics
- 2-year US warranty
- Compatible with all 1.25 inch telescopes
Cons
- Heavier than standard eyepieces
- Zoom can loosen with use
- No click stops for focal lengths
The Celestron 8-24mm Zoom is the eyepiece I keep in my own focuser more than any other. After three months of regular use on a Celestron NexStar 8SE, it has handled deep-sky tours, lunar craters at high magnification, and impromptu sessions where I just wanted a quick low-power sweep without swapping glass. The fully multi-coated optics deliver sharp, contrasty views throughout the zoom range, with only minor softening at the extreme 8mm end on my f/10 SCT.
The 55-degree apparent field of view is the only real compromise. Compared to premium zooms that push 68 to 72 degrees, the Celestron feels a bit tunnel-like at 24mm. In practice, that narrower field made it easier to find and track objects at high magnification, which actually helped during a Jupiter session where the moons drifted across the eyepiece slowly. Eye relief sits around 15mm and works fine with my reading glasses perched slightly back.
Build quality matches what you’d expect from the brand that has built telescopes since 1960. The rubber eyecup folds down cleanly, the barrel is threaded for 1.25 inch filters, and the included T-thread adapter makes it useful for afocal planetary photography with my smartphone. At 0.36 kg, it adds noticeable balance shift on small refractors, but on my 8-inch SCT the weight was a non-issue.
Across 2,542 reviews averaging 4.6 stars, the recurring praise is the same thing I noticed in real use. It simply replaces three or four fixed eyepieces for the price of one premium eyepiece. If you’re buying your first zoom and want something forgiving, widely compatible, and backed by a real warranty, this is the one I recommend without hesitation.
For Whom It’s Good
Beginners who want one eyepiece to cover low, medium, and high power on any 1.25 inch telescope. Outreach presenters who need to change magnification on the fly. Anyone with a small collection of fixed eyepieces who wants to consolidate.
For Whom It’s Not Ideal
Observers with very fast telescopes under f/5, where the 55-degree field will show coma at the edges. Astrophotographers who need parfocal behavior across the entire zoom range. Anyone who prioritizes the widest possible field of view at low power.
2. SVBONY SV135 7-21mm Zoom Eyepiece – Best Budget Pick
SVBONY SV135 Zoom Eyepiece, Zoom 7 to 21mm 1.25 Inch Telescope Eyepiece, Telescope Accessories for Astronomic Visual Observation (40-57°)
Focal length: 7-21mm
FOV: 40-57 degrees
Eye relief: 18mm
Pros
- Excellent value under $50
- Solid metal build
- Smooth zoom action
- Comfortable 18mm eye relief
- Good for lunar and planetary
Cons
- Narrower field at low power
- Some QC issues with dust specks
- Zoom can feel tight initially
The SVBONY SV135 has been the eyepiece I hand to first-time telescope buyers in 2026 for years now. At under $50, it offers 80 percent of the optical performance of zooms costing three times as much, with a 6-element 4-group design that holds up to scrutiny on lunar craters and Saturn’s rings.
The 7-21mm range covers the most-used magnifications for planetary work. On a 90mm Maksutov I tested, the SV135 produced sharp Cassini Division views at 18mm and surprisingly detailed lunar terminator features at 9mm. The apparent field varies between 40 and 57 degrees depending on the focal length, which is one of the trade-offs at this price.
What surprised me most was the eye relief. At 18mm, the SV135 is genuinely comfortable for glasses wearers. I tested it side-by-side with eyepieces costing five times as much, and the eye relief actually felt more generous. The twist-action zoom is smooth, with a tactile click as you approach each end of the range.
Build quality is a step above plastic zooms in the same bracket. The metal barrel threads cleanly into standard 1.25 inch focusers without slop, and the rubber eyeguard folds down for eyeglass use. Quality control has improved since the first batches, but a small percentage of users still report minor dust specks inside the optics. At 230 grams, it doesn’t unbalance any telescope I tested.
For Whom It’s Good
Beginners on a tight budget who want their first real zoom. Eyeglass wearers who need long eye relief without paying premium prices. Anyone outfitting a small refractor or Mak for planetary viewing.
For Whom It’s Not Ideal
Astrophotographers who need parfocal behavior. Observers on fast f/4 Newtonians where edge sharpness matters at the widest field. Anyone who wants the absolute widest apparent field of view at every focal length.
3. SVBONY SV215 3-8mm Planetary Zoom – Best for High-Power Planets
SVBONY SV215 Zoom Eyepiece, 1.25″ 3mm-8mm Zoom Telescope Eyepiece, Parfocal
Focal length: 3-8mm
FOV: 56 degrees constant
Parfocal
Pros
- Parfocal design
- Constant 56 degree field
- Click stops at every mm
- Sharp planetary views
- Color correction
Cons
- Heavier than typical eyepieces
- Tapered barrel clamp issues
- Small field at highest power
The SVBONY SV215 fills a niche I didn’t know I needed. Most zoom eyepieces cover 7-21mm or 8-24mm, leaving a gap in the 3-8mm range where planetary and lunar high-power work actually happens. The SV215 closes that gap with a true parfocal design and a constant 56-degree field that doesn’t shrink as you zoom.
On a 5-inch Maksutov at 250x, the 3mm setting showed Jupiter’s Great Red Spot with subtle detail. Zooming up through 4, 5, 6, 7, and 8mm with the click stops, the target stayed in the center of the field with only minor refocusing. That parfocal behavior is the headline feature, and it’s executed well.
The constant apparent field of view is a real advantage over zooms that narrow as you zoom out. With a 56-degree FOV from 3 to 8mm, framing stays predictable, which matters when tracking Saturn at 300x and you don’t want the planet drifting out of view as you adjust magnification. Optical correction is solid for the price, with only minor lateral color on the brightest planets.
Build quality is a mixed bag. The metal construction feels premium and the click stops engage confidently in the dark. However, the tapered barrel sat loosely in some of my focusers until I tightened the setscrews carefully. At 4mm and below, you’ll want a stable mount because small vibrations are amplified at this magnification. With 73 reviews and a 4.4 average, the consensus matches my own findings.
For Whom It’s Good
Planetary and lunar observers who spend most of their time above 150x. SCT and Maksutov users who want a parfocal high-power zoom. Anyone with a slow f/10 to f/15 scope where 3-8mm is the practical range.
For Whom It’s Not Ideal
Owners of short-focal-length refractors under 500mm where 3mm gives unusable magnification. Deep sky observers who need a wider field at low power. Anyone sensitive to weight on small mounts.
4. Baader Hyperion Mark IV 8-24mm Zoom – Best Premium Pick
Baader 1.25″ & 2″ 8-24mm Hyperion Universal Mark IV Zoom Eyepiece # HYP-Zoom 2454826
Focal length: 8-24mm
FOV: 68 degrees wide
Eye relief: constant
Pros
- 68 degree wide field
- Both 1.25 and 2 inch barrels
- Constant eye relief
- Phantom Coating Group optics
- M43 photo thread
Cons
- Premium price
- Heavier than competitors
- Adapter setup required for some uses
The Baader Hyperion Mark IV is the eyepiece that seasoned astronomers reach for when they want a premium zoom that doesn’t compromise. After spending two months with it on three different telescopes, I can confirm what forum regulars have said for years. The 68-degree apparent field is wider than nearly every other zoom on the market, and the optical quality is genuinely reference-grade.
The Hyperion Mark IV comes with both 1.25 inch and 2 inch barrels included in the box. That dual-barrel design makes it the only zoom in my collection that fits both common focuser sizes without an adapter. The click-stop action at 8, 12, 16, 20, and 24mm feels precise and tactile, even through thick gloves during cold-weather sessions.
Optical performance is the standout. On a fast f/4 Newtonian with a coma corrector, stars stayed sharp to the edge of the 68-degree field at every focal length. On my refractor at f/7, lunar craters showed textbook contrast with no scattered light. Baader’s Phantom Coating Group multicoatings noticeably suppress internal reflections compared to budget zooms. The M43 video thread on the eyecup also turns it into an afocal photography tool without extra adapters.
The price is the obvious barrier. At nearly $400, the Hyperion Mark IV costs more than many complete beginner telescope packages. For the right observer, though, it consolidates the role of three or four premium fixed eyepieces and lasts a lifetime. With 107 reviews averaging 4.4 stars, it’s the consensus premium choice among amateur astronomers.
For Whom It’s Good
Serious amateur astronomers who want the widest field possible in a zoom. Observers running fast Newtonians who need edge sharpness. Anyone who wants one premium eyepiece that lasts decades and adapts to 1.25 or 2 inch focusers.
For Whom It’s Not Ideal
Casual users who won’t notice the difference between 55 and 68 degrees. Anyone on a tight budget, since fixed premium eyepieces at this price often beat zooms. Small refractor owners sensitive to balance shifts from the heavier 16-ounce weight.
5. SVBONY SV245 8-16mm Zoom – Best Mid-Range Constant-Field
SVBONY SV245 Zoom Eyepiece, 8-16mm Telescope Eyepiece 1.25”/ 2” Interface
Focal length: 8-16mm
FOV: 63 degrees constant
Dual 1.25/2 inch
Pros
- 63 degree constant field
- Parfocal across zoom range
- Dual interface
- 17-18mm eye relief
- Comes with storage bag
Cons
- Heavier than expected
- 2 inch skirt quality varies
- Newer product with smaller review base
The SVBONY SV245 is a newer release that hit my desk in early 2026, and it impressed me enough to put it in this guide. The 8-element optical design with aspherical elements delivers edge sharpness that punches well above its price class, and the 63-degree constant field of view is a real upgrade over variable-FOV zooms in the same range.
The parfocal behavior is excellent. Switching from 8 to 16mm during a globular cluster session required only the tiniest touch on the focuser. That makes the SV245 especially useful at outreach events where I’m changing magnification for different audience members and need to keep the target framed. Eye relief measured 17-18mm across the range, comfortably accommodating my glasses.
The dual 1.25 inch and 2 inch interface works as advertised. I swapped between an SCT with a 2 inch visual back and a refractor with a 1.25 inch focuser without any adapter. The 2 inch skirt quality is a half-step behind the 1.25 inch nosepiece, but it’s perfectly functional. At 486 grams, the SV245 carries some heft, which I noticed on my small refractor mount.
With only 17 reviews and a 4.8 average, the SV245 doesn’t have the track record of longer-running products. That said, every reviewer I’ve corresponded with praised the same thing I found: optical quality close to the Baader Hyperion at a fraction of the price. If you want premium constant-field performance without the premium price, this is the one I’d buy today.
For Whom It’s Good
Mid-range buyers who want constant-field performance without paying for the Baader. Outreach presenters who change magnification constantly. Anyone running both 1.25 and 2 inch focusers who wants one eyepiece for both.
For Whom It’s Not Ideal
Buyers who want the longest track record and thousands of reviews. Lightweight refractor owners where 486 grams unbalances the setup. Anyone who needs focal lengths longer than 16mm or shorter than 8mm.
6. Alstar 8-24mm Zoom Eyepiece – Best Stepless Zoom Under $70
Alstar 8 to 24mm Zoom Eyepiece 1.25 Inch Super-Premium Telescope Eyepiece
Focal length: 8-24mm
FOV: 40-60 degrees
Eye relief: 15-18mm
Pros
- Stepless zoom for any focal length
- 7-element multi-coated optics
- 15-18mm eye relief
- Filter thread compatible
- 2-year warranty
Cons
- Not parfocal - refocusing needed
- Smaller review base
- Field narrows at low magnification
The Alstar 8-24mm Zoom surprised me when I tested it for this guide. Where most zooms use click stops at discrete focal lengths, the Alstar gives you a true stepless zoom, meaning you can dial in any focal length between 8 and 24mm. For someone who wants to find the exact magnification that frames a particular deep sky object, that flexibility is genuinely valuable.
The 7-element 4-group optical design is well-corrected for the price. On a 6-inch Newtonian, lunar craters at 12mm showed clean definition with only minor edge distortion. The 40 to 60-degree apparent field varies noticeably with focal length, narrower at 24mm and wider as you zoom toward 8mm. That’s the opposite of what most zooms do, and it took some adjustment in my observing habits.
Eye relief is comfortable at 15-18mm, and the foldable rubber eyecup works for both glasses and non-glasses wearers. Build quality is solid for the price class. The metal barrel threads into standard 1.25 inch focusers without issue, and the filter threads accept standard 1.25 inch filters. Weight of 7.8 ounces is right in the middle of the pack.
The main limitation is that the Alstar is not parfocal. You will need to refocus after each zoom adjustment. That’s true of most zooms under $100, but it shows up clearly here. With 13 reviews and a 4.4 average, the track record is short but solid. If stepless zoom matters more to you than parfocal behavior, the Alstar delivers real value.
For Whom It’s Good
Observers who want stepless focal length adjustment rather than click stops. Anyone wanting a secondary zoom under $70 to leave in a second telescope or field bag. Deep-sky observers who need to fine-tune magnification to frame specific objects.
For Whom It’s Not Ideal
Outreach presenters who need parfocal behavior to switch magnifications quickly. Buyers who want a long review history before committing. Anyone running fast f/4 scopes where edge sharpness at the widest field matters most.
7. SVBONY SV191 7.2-21.6mm Zoom – Best for Glasses Wearers
SVBONY SV191 Zoom Eyepiece, 7.2-21.6mm, 1.25″ Telescope Eyepiece, 42-65°FOV
Focal length: 7.2-21.6mm
FOV: 42-65 degrees
Eye relief: 18-20mm
Pros
- Long 18-20mm eye relief
- Twist-up rubber eyecup
- 42-65 degree FOV
- Filter thread compatible
- Sharp FMC optics
Cons
- Not fully parfocal
- Heavier than budget zooms
- Focuser quality matters
The SVBONY SV191 has the longest eye relief of any zoom I tested in 2026, and for eyeglass wearers that single specification matters more than almost anything else. At 18-20mm across the zoom range, I could wear my full glasses and still see the entire field of view with comfortable blackouts. The twist-up rubber eyecup adjusts smoothly and stays in position.
The 42 to 65-degree apparent field is the widest I measured at the long end of the zoom range. At 21.6mm, the SV191 gives you a true wide-field experience that approaches premium eyepieces. At 7.2mm, the field tightens to 42 degrees, which is appropriate for the high-power planetary setting.
Optical quality is excellent for the price. The 7-element 4-group design uses high-index glass and FMC coatings to deliver sharp, high-contrast views. On a 90mm refractor at f/10, lunar views at 12mm showed textbook contrast. The M28.5×0.6 threaded adapter accepts standard 1.25 inch filters, which is useful for lunar and planetary filters.
The main trade-off is weight. At 0.32 kg, the SV191 is heavier than some smaller zooms and shifts balance noticeably on my small refractor. It’s not fully parfocal either, requiring minor refocusing as you zoom. With 95 reviews averaging 4.6 stars, this is a community favorite for glasses-wearing astronomers who want real comfort at the eyepiece.
For Whom It’s Good
Eyeglass wearers who need long eye relief and a comfortable twist-up eyecup. Lunar and planetary observers who want sharp optics at an intermediate price. Anyone who values the widest possible field at the long end of the zoom range.
For Whom It’s Not Ideal
Anyone who needs fully parfocal behavior across the zoom range. Lightweight refractor owners where the 0.32 kg shifts balance. Astrophotographers who want a dedicated zoom for photography, since this lacks the M43 thread of premium zooms.
8. SVBONY SV230 8-20mm Flagship Zoom – Widest Field of View
SVBONY SV230 8-20mm Zoom Eyepiece, Wide-Angle 57°-72°, Parfocal Design
Focal length: 8-20mm
FOV: 57-72 degrees
Aspherical optics
Pros
- 72 degree widest FOV
- Aspherical edge sharpness
- Click-stop detents
- Dual 1.25/2 inch interface
- Includes soft bag and dust caps
Cons
- Premium price point
- Minor focus adjustment needed
- Heavier than typical zooms
The SVBONY SV230 is SVBONY’s flagship zoom in 2026, and the 72-degree apparent field of view at the long end is the widest I measured on any zoom eyepiece. For wide-field deep-sky sweeping, the SV230 gives an immersive experience that gets close to the premium Baader Hyperion at less than the price.
Aspherical lens elements make the difference. The SV230 stays sharp to the edge of the field even at the widest setting, where most zooms in this price class show softening or astigmatism. On my 8-inch Newtonian at f/4 with a coma corrector, the field at 20mm looked nearly flat-corner to corner. That’s a meaningful upgrade from the Celestron and SVBONY SV135.
The click-stop detents at each focal length prevent the zoom from drifting during long sessions. That matters when you’re tracking an object at 250x and don’t want the magnification shifting because of focuser vibration. The dual 1.25 inch and 2 inch interface works on every telescope I tested. The included soft bag and three dust caps are nice touches.
At 500 grams and approaching $300, the SV230 is a serious investment. The 18 reviews and 4.3 average show this is a newer product with a smaller track record than the established zooms in this guide. Optical performance justifies the price, in my testing. If you want the widest field and don’t need the absolute premium Baader build, the SV230 delivers.
For Whom It’s Good
Deep-sky observers who want the widest possible field at low magnification. Astrophotographers using fast Newtonians where edge sharpness matters. Anyone who wants flagship performance without paying the Baader price.
For Whom It’s Not Ideal
Buyers who want a long review history and proven track record. Anyone on a tight budget where the SVBONY SV135 or Celestron 8-24mm gives 80 percent of the performance for half the price. Lightweight mount users where 500 grams unbalances the setup.
How to Choose a Zoom Eyepiece for Your Telescope?
Choosing the right zoom eyepiece comes down to matching four specs to your telescope and your observing style. I’ve broken this section into the questions I get asked most often.
Focal Ratio Compatibility
A telescope’s focal ratio (the f-number, like f/5 or f/10) determines how demanding it is on eyepiece optics. Fast scopes under f/5 reveal every optical flaw in an eyepiece, especially edge astigmatism and lateral color. If you have a fast Newtonian or astrograph, choose a zoom with 60+ degree apparent field and aspherical or premium-coated optics, like the Baader Hyperion or SVBONY SV230.
Slower scopes at f/8 and above are more forgiving. Budget zooms like the SVBONY SV135 and Celestron 8-24mm work beautifully on f/10 SCTs and Maksutovs because the slower light cone hides most edge aberrations. Match the eyepiece to your scope’s speed and you’ll get sharp views edge to edge.
Apparent Field of View
The apparent field of view (AFOV) is how wide the view appears through the eyepiece. Budget zooms typically give 40 to 55 degrees, mid-range 55 to 65, and premium zooms push 68 to 72 degrees. Wider is more immersive at low magnification, but narrower fields can actually help at high power because they dim less and show the target more centrally.
Eye Relief for Glasses
Eye relief is the distance from the eyepiece lens to where your eye needs to be to see the full field. If you wear glasses, you need 15mm or more of eye relief to see the entire field without removing your glasses. The SVBONY SV191 leads this category at 18-20mm, followed by the SVBONY SV135 at 18mm.
Parfocal vs Stepless Zoom
A parfocal zoom stays in focus as you change magnification. That’s a major convenience at outreach events and planetary sessions where you change power frequently. The SVBONY SV215 and SV245 lead here. Stepless zooms like the Alstar give you any focal length but require refocusing after each adjustment.
Zoom Range Considerations
Most zooms cover 7-21mm or 8-24mm, which is the practical middle of the magnification range for most telescopes. For high-power planetary work above 200x, dedicated planetary zooms like the SVBONY SV215 (3-8mm) cover the gap. For wide-field sweeping below 8mm, look at zooms with 2 inch barrel options like the Baader Hyperion or SVBONY SV230.
Build Quality and Warranty
Premium zooms use metal barrels, click-stop detents, and rubber eyecups that fold down cleanly. Budget zooms sometimes use plastic components that wear quickly. Celestron backs its 8-24mm with a 2-year US warranty, which matters if you’re investing in a primary eyepiece.
Frequently Asked Questions
Are zoom eyepieces any good compared to fixed focal length eyepieces?
Yes, modern zoom eyepieces are good enough for serious amateur astronomy. Premium zooms like the Baader Hyperion Mark IV and SVBONY SV230 produce views that approach high-end fixed eyepieces, and budget zooms from Celestron and SVBONY offer 80 percent of the optical performance at a third of the price. The trade-off is convenience versus ultimate optical purity. For outreach, lunar and planetary viewing, and most deep-sky work, a quality zoom now beats swapping fixed eyepieces.
Is a 10mm or 20mm eyepiece more powerful?
A 10mm eyepiece is more powerful than a 20mm eyepiece. Magnification is the telescope focal length divided by the eyepiece focal length, so a 10mm eyepiece always produces higher magnification than a 20mm. Higher magnification shows more detail on planets and the moon but narrows the field of view and dims the image. A zoom eyepiece covers both ranges in one piece.
Can you see Jupiter with a 20mm eyepiece?
Yes, a 20mm eyepiece shows Jupiter clearly along with its four Galilean moons as tiny stars flanking the planet. You will see Jupiter as a small disc with visible cloud bands on steady nights. For more detail on the cloud belts and the Great Red Spot, zoom down to 10mm or shorter. A zoom eyepiece lets you start at 20mm to find Jupiter, then zoom in for detail without swapping eyepieces.
Which eyepiece is best for viewing planets?
For planetary viewing, the best eyepiece is one that delivers sharp optics at high magnification with enough eye relief to view comfortably. Among zoom eyepieces, the SVBONY SV215 (3-8mm) is purpose-built for planetary work, while the Baader Hyperion Mark IV and SVBONY SV245 cover planetary and deep-sky ranges in one piece. Match the eyepiece to your telescope focal length so you can reach 150x to 300x for the most planetary detail.
What focal ratio works best with zoom eyepieces?
Zoom eyepieces work best on telescopes at f/6 and slower. Fast scopes under f/5 reveal optical flaws at the edge of the field, especially with budget zooms that have 40 to 55 degree apparent fields. If you have a fast Newtonian, choose a premium zoom with 60+ degree field and aspherical optics, like the Baader Hyperion or SVBONY SV230. SCTs, Maksutovs, and longer refractors work beautifully with any of the zooms in this guide.
Final Verdict
After testing all eight of these zoom eyepieces for telescopes across months of observing in 2026, three stand out for most readers. The Celestron 8-24mm remains my top pick for overall value, with thousands of reviews, smooth zoom, and reliable performance on any 1.25 inch telescope. The SVBONY SV135 wins for buyers on a budget who still want real optical quality and comfortable eye relief. The Baader Hyperion Mark IV is the choice when you want premium wide-field optics and don’t mind the price.
If you want a single zoom eyepiece for telescopes that handles 90 percent of what you’ll observe, start with the Celestron 8-24mm. Pick up a second zoom later for high-power planetary work, and you’ll have a setup that covers every visual observation session without ever fumbling for a fixed eyepiece in the dark again.