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Description
3D Astronomy 8x42 Space Walker 3D BinocularLederman Optical Array (LOA) Phase Corrected BAK4 Roof Prisms Dielectric Prism Coatings Fully Multi Coated Optics Wide Angle Viewing: 60 Nitrogen Filled, Water and Fogproof Closed Bridge Configuration Magnesium Alloy Chassis Large Center Focusing Knob Twist Up and Angled Eyecups Built with the proprietary Lederman Optical Array (LOA) to reproduce the true stereoscopic depth of field of human sight, 3D Astronomy 's 8x42 Space Walker 3D Binocular yields
- Lederman Optical Array (LOA)
- Phase-Corrected BAK4 Roof Prisms
- Dielectric Prism Coatings
- Fully Multi-Coated Optics
- Wide-Angle Viewing: 60°
- Nitrogen-Filled, Water and Fogproof
- Closed-Bridge Configuration
- Magnesium Alloy Chassis
- Large Center Focusing Knob
- Twist-Up and Angled Eyecups
Built with the proprietary Lederman Optical Array (LOA) to reproduce the true stereoscopic depth of field of human sight, 3D Astronomy 's 8x42 Space Walker 3D Binocular yields views of the night sky that normal binoculars cannot offer. The LOA duplicates the physiological process that allows humans to see with depth perception and eliminates the flat depth of field common when viewing through binoculars focused at infinity. The LOA is complemented by phase-corrected and dielectric coated BAK4 roof prisms and fully multi-coated optics that work together to improve light transmission throughout the optical path, reduce internal light scattering, and increase color rendition, image clarity, and overall contrast. Rounding out the optical performance is a wide angle of view, long eye relief, and comfortable exit pupil. A pair of removable angled eyecups is provided to block peripheral light and eliminate ambient light interference with your viewing experience.
- Optical Performance
-
- 8x magnification
- 42mm objective lenses
- Compact BAK4 roof prisms
- Phase-correcting prism coatings reduce internal light scattering while aligning light waves to improve contrast and clarity
- Dielectric prism coatings reduce light loss for brighter images
- Fully multi-coated optics reduces light loss and increases color rendition, contrast, and clarity
- Wide 60° apparent angle of view
- 388' field of view at 1000 yards
- Long 17.5mm eye relief
- Wide 5.25mm exit pupil
- Lederman Optical Array
-
- Optical array integrated into one eyepiece
- Duplicates the physiological process that allows humans to see with depth perception
- Eliminates the flat view typical when viewing through binoculars focused at infinity to produce a rich depth of field more like natural human vision
- Produces the angular offset required for true stereoscopic vision no matter how far the field being viewed is located
- Use and Handling
-
- Closed-bridge configuration
- Large knurled center focusing knob
- 54-75mm interpupillary adjustment range
- Right-eye dioptric correction allows for eye prescription
- Twist-up rubber eyecups for comfortable use with or without eyewear
- Removable angled eyecups block stray peripheral light making images clearer and brighter
- Construction Details
-
- Lightweight and strong magnesium alloy chassis
- Slip-resistant protective rubber armoring
- Nitrogen-filled for water and fogproof performance
- Weight: 22 ounces
UPC: 700645823698
| Prism Type | Roof |
| Magnification | 8x |
| Objective Lens Diameter | 42mm |
| Angle of View | 7.5° (actual) |
| Field-of-View | 388.0' @ 1000 yd / 128.8 m @ 1000 m |
| Minimum Focus Distance | 7.0' / 2.13 m |
| Exit Pupil Diameter | 5.25 mm |
| Eye Relief | 17.5 mm |
| Interpupillary Adjustment | 54.0 - 75.0 mm / 2.1 - 3.0" |
| Dioptric Correction | Not Specified By Manufacturer |
| Focus Type | Center |
| Tripod Mount | None |
| Dimensions | 5.8 x 4.8" / 14.73 x 12.19 cm |
| Weight | 22.0 oz / 624 g |
| Packaging Info | |
|---|---|
| Package Weight | 2.05 lb |
| Box Dimensions (LxWxH) | 7.3 x 6.3 x 3.2" |
In the Box
3D Astronomy 8x42 Space Walker 3D Binocular
- Neck Strap
- 2 x Angled Eyecups
- 2 x Ocular Lens Caps
- 2 x Objective Lens Caps
- Carrying Case
- Limited One-Year 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
4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Always looking for less destructible dog toys
Size: 8 in, Color: Squirrel, Size: 8 in, Color: Squirrel
I am constantly searching for aggressive chewer dog toys. So many claim to be and one look and you know they haven’t met your dog!! Our golden retriever is so sweet until he gets his claws and teeth into a new toy. We nicknamed him the shredder, as he rips his new toys to pieces. I accidentally stumbled across this toy. We have never owned a leather dog toy. The squirrel is going to give Maverick a run for his money. The edges are double sewn closed. I am very impressed with the quality of this toy for $5.75 which includes the sales price and an additional 10% off coupon. Even without those two incentives the toy is less than $8 prime. The other shapes are similar or cheaper in price and now I see a 50% off 1 toy coupon when you buy 2. What a deal and the squirrel has a squeaker inside. What I like about the squirrel is that there’s less limbs or appendages for Maverick to shred off. The bunny has ears, the raccoon has hands, the buffalo has legs, the bone and retriever stick have a rope, the bear has a neck and head that could be chewed off, similar to the fox who has a tail and snout. The squirrel looks like it would be harder to destroy! The squeaker was hard to push at first but is easier now. Maverick has a black lab sister who loves squirrels, more so than she loves toys, and I found this toy searching for squirrel toys for her. It is offered in 8 other shapes. The squirrel measures almost 8” tall by 5” wide. It’s perfect for a medium or large size dog. Based on the construction of this squirrel dog toy it looks acceptable for an aggressive chewer and won’t break the bank. It’s very affordable. Always supervise! Updates to follow at Christmas:). BTW, the squirrel did not smell bad upon opening.
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Reviewed in the United States on December 3, 2024
★★★★★ 4
Puppy loves it. Well built and fun for her to play with.
Size: 15 in, Color: Retriever
My double doodle mix loved this toy. It is well made and she loves the different texture of the rope. Sadly she has already torn the rope apart and so now it’s just the leather part. This would be the perfect toy for non agressive chewers. Wish the rope lasted a little longer. SPOT is my new favorite company to get her chew toys from now. They’re well built and aren’t expensive like all the other dog toys out there.
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Reviewed in the United States on June 30, 2025
★★★★★ 2
Destroyed in under 10 minutes
Size: 9 in, Color: Large Bone
I bought 2 of these toys, one for my 9 year old great dane who isn't an aggressive chewer, and one for my 6 month old puppy who is average.
In less than 10 minutes both were destroyed and my dane managed to swallow a good chunk.
I wasn't surprised when they both had small holes on the ends and started pulling the stuffing out. The stuffing and squeakers were confiscated immediately, but I let them keep chewing. By the time I came back from throwing the insides away, both dogs had chewed the toys in half and my dane swallowed a chunk when he saw me coming. The puppy was going to do the same thing, but luckily we're working on his "drop" command so he was excited enough for the bigger payout and dropped it.
They didn't just come apart at the seams, the whole toy ripped in half making it too easy to swallow. Neither of them are aggressive cheers and the toys didn't hold up at all. A stuffed animal toy would have lasted longer (and has any time I've allowed it). 10 minutes of playtime is probably too generous , but I'm trying to be fair. If I hadn't been right there watching them, they both would have been able to swallow the whole thing in minutes. Definitely not safe for any amount of actual chewing.
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Reviewed in the United States on November 14, 2025
★★★★★ 5
The perfect teething toy for a puppy of any size - apparently indestructible!
Size: 9 in, Color: Large Bone, Size: 9 in, Color: Large Bone
I ordered this product for an overly excitable, destructive corgi chihuahua mix puppy, who was teething. He was a foster and managed to destroy, almost immediately, every toy I had on-hand for him, and toys I picked up at the local pet store. I was very concerned he'd swallow parts of toys, which can lead to fatal intestinal blockages, not to mention extremely high vet bills which I couldn't cover as a simple foster mom. When it arrived, I crossed my fingers that the "Seam Protection - doubled-stitched seams with heavy duty thread" would actually add "extra durability." And I was NOT disappointed! The bone shape of the toy would probably fit comfortably in the mouth of any dog or puppy, as you can see from photo #4. What's coolest about the shape of this toy is the pup can sink all of his or her teeth into it, providing comfort for the entire mouth and not just a few teeth or only one section of its mouth at a time. I was much more experienced as a kitten foster mom, and had had similar difficulties finding teething toys for kittens. This toy is thin and light weight enough that I imagine it could provide relief for little kitten mouths, also, but I didn't get to find out, as my little foster pup chose this as his #1 favorite toy and brought it with him to his forever home. I wanted to know how long it would take before he'd destroy it, though (picture 5 he'd had this Dura-Fused bone toy for a few hours short of one week, and the last photo - you'll see he'd not even undone a small portion of the seam!) Overall I would highly recommend this product for teething babies of almost any species. As far as I could tell it is indestructible. Almost seven days of constant gnawing and he'd not even taken one stitch out, created any tear or rip, let alone, gotten close to being able to swallow the squeaker (always a fear!). I imagine months later, he's still been unsuccessful at ripping/tearing this toy at all. I'd gladly buy again should I foster any dog or puppy - the company lives up to its moniker, Ethical Products, because they've produced a no-frills and apparently indestructible squeak toy which I'd have no fears of leaving with a teething puppy unsupervised. Highly recommended!
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Reviewed in the United States on November 28, 2020
★★★★★ 3
Good tug toy
Size: 15 in, Color: Retriever
I have a doberman that shready everything in 2.5 seconds. This lasted a few days so was impressed for the cost. Would buy again as he really liked it.
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Reviewed in the United States on December 28, 2025
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