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Description
Tele Vue 72° Delos 4.5mm Eyepiece (1.25")4. 5mm Focal Length 72 Apparent Field of View 1. 25" Diameter Barrel Anti Reflective Multi Coated Optics Ideal for Wide Narrow Planet Observation Continuous Adjustable Eyeguard Parfocal with Eyepiece Group B Taking design inspiration from the venerable Ethos line but with a narrower field of view and longer eye relief, the Tele Vue 72 Delos 4. 5mm Eyepiece was designed for long duration lunar and planetary observation. Its adjustable height rubber
- 4.5mm Focal Length
- 72° Apparent Field of View
- 1.25" Diameter Barrel
- Anti-Reflective Multi-Coated Optics
- Ideal for Wide/Narrow Planet Observation
- Continuous Adjustable Eyeguard
- Parfocal with Eyepiece Group B
Taking design inspiration from the venerable Ethos line but with a narrower field of view and longer eye relief, the Tele Vue 72° Delos 4.5mm Eyepiece was designed for long-duration lunar and planetary observation. Its adjustable-height rubber eyecup helps to enhance contrast by preventing stray light from entering the user's peripheral vision which can degrade the image seen through the ocular. Anti-reflective multi-coated optics further ensure sharp, bright, high-contrast, and color faithful images across the entire spacious 72° apparent field of view. The eyepiece is offered with a 1.25" diameter barrel for compatibility with a wide variety of filters and accessories, and is parfocal with Tele Vue Group B eyepieces so no refocusing is required when switching between eyepieces within the group.
- Wide 72° apparent field of view displays a broad image with minimal optical distortion, ideal for planetary and lunar observation.
- Images are color neutral from edge to edge, even as the observed object approaches the field stop. Anti-reflective multi-coated optics ensures bright, high contrast, color faithful light transmission.
- Adjustable-height eyecup ensures comfortable long-duration observation through your telescope, while preventing stray light from degrading the image.
- Parfocal with Tele Vue Group B eyepieces including Nagler 6, Nagler 5, Nagler Zoom, DeLite, and most Delos and Plossls. No refocusing required when switching between Group B eyepieces.
- Rotating eye-guard ensures proper use with optional Dioptix
| Focal Length | 4.5 mm |
| Barrel Diameter | 1.25" |
| Eye Relief | 20 mm |
| Field Stop Diameter | 4.0 mm |
| Apparent Field of View | 72° |
| Dimensions | 5.1 x 2.2" / 13.0 x 5.6 cm |
| Weight | 17.6 oz / 499.0 g |
| Packaging Info | |
|---|---|
| Package Weight | 1.8 lb |
| Box Dimensions (LxWxH) | 7.4 x 4.3 x 4.2" |
In the Box
Tele Vue 72° Delos 4.5mm Eyepiece (1.25")
- Limited Lifetime Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 3
My Dog Loves It, But Be Careful
My dog absolutely loves the Benebone Wishbone Chew Toy—he gets so excited every time I bring it out. It’s clearly made for aggressive chewers and is very durable, but he often ends up hurting his teeth while chewing on it. I wish it were a bit gentler on his mouth. Great for keeping dogs entertained, just watch out if your pup has sensitive teeth.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
My dogs LOVE these over the leading brand!
My dogs LOVE these chew bones! They will chew on these things for 30 minutes straight. They will dig them out from the dog basket, or whine at the door if they left it outside. I ended up having to get all 4 of my dogs each their own it was so popular. The white bone in the picture is the from the leading brand and you can see which one they go for, lol. They've had these bones for 6 weeks now and chew on them daily, and multiple times throughout the day. If your dog is a chewed or puppy, definitely give these a try!
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Reviewed in the United States on April 5, 2026
★★★★★ 5
🐾Ridiculous aggressive chewer🐶
Style: Stick, Flavor Name: REAL Bacon, Size: Medium
Sooooo happy I finally found something that my moms pup couldn't chew up! Not going to like its been very tough. She has now for at least a week (sorry days pushing together 🤪)
Let's just say the pup is a chihuahua mix that LOVES to chew. Emphasis on the chewing youre lucky if a toy lasts more than a day let alone a week 🤣
This is so durable I may not need one for her for a while but this will come HIGHLY recommended for ridiculously aggressive chewers.
Suitable for ang size dog just make sure you go one size bigger then you think you should. Quick easy chew toys but definitely has some weight to it.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Stands Up to Strong Chewers Without Splintering
Style: Stick, Flavor Name: REAL Maple Wood, Size: Giant
We got the Benebone Maplestick in Giant size for our large, aggressive chewer, and it has held up remarkably well compared to other chew toys we’ve tried. The real maplewood core mixed with durable nylon offers a satisfying chew texture; it feels substantial without being brittle, and our dog goes after it consistently during free play or after meals. It’s noticeably tougher than many rubber or soft plastic toys, yet it doesn’t splinter into sharp pieces, which gives me confidence in regular use.
The shape and size are also well suited for bigger mouths, and the way it’s angled makes it easy for a strong chewer to get a grip and work away at the surface. Cleaning is simple, and over weeks of use we’ve seen only normal wear rather than shredding or chunks missing. As someone who’s tried multiple toys claiming “for aggressive chewers,” this one genuinely lives up to its reputation in my experience.
While no chew toy lasts forever with a powerhouse chewer, this one’s longevity feels above average without resorting to metal or stone alternatives that can be too hard on teeth. For everyday chewing and play, it strikes a solid balance of durability and engagement.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Our dogs love them and they hold up well.
Style: Fishbone, Flavor Name: REAL Jack Salmon, Size: Large
The dogs love them and are very durable! I recommended to a friend who has a strong chewer and his dog loves them too. They like all varieties but particularly the fish flavored ones. Any kind of chew toy made out of any cloth even cordura is ripped up in minutes but they chew on these for hours.
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Reviewed in the United States on April 29, 2026
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