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Description
Vanguard 8x42 Endeavor ED IV BinocularHOYA Extra Low Dispersion (ED) Glass Phase Corrected SK 15 Roof Prisms Advanced MultiGuard Lens Coating System Short 5. 9' Close Focus Distance Open Bridge Dual Hinge Configuration Durable Magnesium Alloy Housing Textured Center Focus Wheel Nitrogen Filled, Water and Fogproof Tripod Mountable with Optional Adapter Click Stop Twist Up Eyecups Building on the success of their earlier iterations, the Vanguard Optics 8x42 Endeavor ED IV Binocular gets
- HOYA Extra-Low Dispersion (ED) Glass
- Phase-Corrected SK-15 Roof Prisms
- Advanced MultiGuard Lens Coating System
- Short 5.9' Close Focus Distance
- Open-Bridge/Dual-Hinge Configuration
- Durable Magnesium-Alloy Housing
- Textured Center Focus Wheel
- Nitrogen-Filled, Water and Fogproof
- Tripod Mountable with Optional Adapter
- Click-Stop Twist-Up Eyecups
Building on the success of their earlier iterations, the Vanguard Optics 8x42 Endeavor ED IV Binocular gets upgraded with HOYA extra-low dispersion (ED) glass, phase-corrected SK-15 roof prisms, and their advanced MultiGuard optical coatings to improve light transmission, color rendition, clarity, and contrast; while eliminating chromatic aberration. These updated technologies and materials work together to produce an immersive observational experience on the trail, at the range, in the stadium, or sightseeing around town. To pick out feather and fauna details, the binocular boasts an impressive 5.9' close focus distance.
An open-bridge/dual-hinge design helps to reduce weight without sacrificing strength, and provides a large surface area to improve grip strength and security. Textured rubber armoring offers protection from drops and impacts, while further improving the grip and comfort in the hand. Designed for durability, the lightweight magnesium-alloy housing is nitrogen-filled and O-ring sealed to be waterproof, and resistant to internal fogging when moving through extreme temperature changes and environmental conditions. The Endeavor ED IV's provide the performance and comfort birders, hunters, and outdoor enthusiasts require for long observation sessions in all weather.
- Optical Performance
-
- 8x magnification
- 42mm objective lens diameter
- Phase-corrected prisms provides improved light reflection, high-contrast, and true color fidelity
- SK-15 prisms have a higher refractive index than BK7 and BAK4, with a lower dispersion than BAK4
- HOYA extra-low dispersion (ED) lenses virtually eliminates chromatic aberration for true color transmission across the entire field of view
- Anti-reflection Advanced MultiGuard fully multi-coated optics improves light transmission for brighter high-contrast images with accurate color rendition
- 377' field of view at 1000 yards
- Short 5.9' minimum focus distance
- Use and Handling
-
- Open-bridge/Dual-hinge design
- Large knurled center focus wheel is easy to manipulate even when wearing gloves
- 56-74mm interpupillary adjustment range
- ±4 center locking dioptric adjustment
- Three-stage click-stop twist-up eyecups for comfortable use with or without eyewear
- Tripod mountable with optional adapter
- Exceptionally long 19mm eye relief
- Wide 5.25mm exit pupil completely covers fully dilated pupils in low-light to provide a full-frame view without vignetting
- Construction Details
-
- Bridge design reduces weight and provides a more comfortable and secure grip by allowing user's hands to wrap completely around the optical tubes
- Lightweight and durable magnesium-alloy chassis
- Nitrogen-filled and O-ring sealed to be waterproof, and resistant to internal fogging when moving through extreme temperature changes and environmental conditions
- Textured rubberized armor provides a slip-resistant grip in cold and wet weather
- Flip-down tethered objective lens covers
UPC: 026196348009
In the Box
Vanguard 8x42 Endeavor ED IV Binocular
- Carrying Pouch
- Neck Strap
- Lens Cloth
- 2 x Objective Lens Caps
- Limited Lifetime Warranty
| Prism Type | Roof |
| Magnification | 8x |
| Objective Lens Diameter | 42mm |
| Angle of View | 7.2° (actual) |
| Field-of-View | 377.0' @ 1000 yd / 125.2 m @ 1000 m |
| Minimum Focus Distance | 5.9' / 1.80 m |
| Exit Pupil Diameter | 5.25 mm |
| Eye Relief | 19.0 mm |
| Interpupillary Adjustment | 56.0 - 74.0 mm / 2.2 - 2.9" |
| Dioptric Correction | ±4 |
| Focus Type | Center |
| Tripod Mount | Yes (Adapter Optional) |
| Dimensions | 5.9 x 5.1" / 14.99 x 12.95 cm |
| Weight | 27.7 oz / 785 g |
| Packaging Info | |
|---|---|
| Package Weight | 3.0 lb |
| Box Dimensions (LxWxH) | 9.3 x 6.8 x 3.6" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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
4.0 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Great toy
Size: Large (Pack of 1), Product Packaging: Standard Packaging
Solid toy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
Great for Excessive Chewers and Eaters
Size: Large (Pack of 1), Product Packaging: Standard Packaging
I decided to get the Kong Extreme toy for my then 9-year-old dog in Sept. 2010, after her older sister passed away a few days before. I figured we both could have used the distraction.
I learned ages ago that most toys couldn't hold up against my two Australian Cattle Dogs, since they didn't just happily gnaw on things, they'd try to eat it. In fact, they tried to eat a number of things, from fabrics to meticulously eating the lining off tennis balls and soft balls. Nothing was safe, especially against the youngest, who has some OCD issues. I'd be lucky to see a tough toy last a day, much less a month.
Like the rest, I didn't think this toy would stand a chance, but it's still holding up well almost a year later. My dog isn't a strong chewer, like a doberman or pit, but very meticulous. She and her sister would go at something for hours if you let them, until nothing was left. Because of this, I also need to choose soft toys, rather than something hard, because she'll wear her teeth down if you let her. Fortunately, this manages to stand up to her obsessive chewing, but it also doesn't wear the teeth down, which I love.
I'm thinking of getting a new one, even though the current could probably last another few months. I'm just now seeing some wear along the seams, despite her every effort to conquer and destroy it. I'm mainly getting it just to be on the safe side, so that I don't risk it falling apart while I'm not watching her, and just for the sake of cleanliness.
These are extremely durable and easy to clean. They do have a strong odor when you first open them up, but it fades relatively quickly. I let ours soak it in hot/vinegar water for a while, then rinsed it well and left it out in the sun for a few hours. Seemed to help a little. They can also be loud when dogs chew on them, which can be annoying if you're trying to watch TV, but I find it well worth it, even if my partner doesn't agree during football time.
I love the fact that these toys bounce unpredictably, although I would be careful around furniture if you plan to bounce it off the floor or toss it. I got into the habit of using it down our long hallway, referring to it as Dog Bowling, which she loves. She also didn't need food as incentive to get into it (just me playing with it and making it out to be a big deal), which is great, since that just means less cleaning and less weight gain in my book, although I do put treats in it now and then, if my partner and I are leaving the house and plan to be gone awhile.
My dog's around around 30 lbs. and is medium sized, but has had no trouble tackling the larger-sized version, which was the only size available through Amazon at the time. I may get the medium-sized toy soon, just because she's reaching 10 and she'll go at it for ages.
This is a great toy for obsessive chewers in particular, and I highly recommend it to dog lovers. I just wish we'd found out about them sooner! I'm also happy to report that she has stopped chewing on random things), like blankets and clothing, as much as she used to. If she does start up, it's because she can't find her Kong. I may also get the bone version and will review on that if I do.
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Reviewed in the United States on August 28, 2011
★★★★★ 5
Great buy
Size: Large (Pack of 1), Product Packaging: Standard Packaging
Definitely recommend. My new rescue has chewed though I can’t even tell you how many “indestructible” toys in under 10 minutes. Not this! We’ve had it a few days and she loves it. Hasn’t chewed through it at all and it literally keeps her busy for an hour at the minimum. Would buy again. Great quality for the price and made to last. Perfect for aggressive chewers.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
My Rottweiler tries to get the extra large broke in half treat out for hours.
Size: Large (Pack of 1), Product Packaging: Standard Packaging
This is super tough and super great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
★★★★★ 5
Great for Slowing Down Snack Time
Size: Large (Pack of 1), Product Packaging: Standard Packaging
My dog, an English Lab, is a voracious chewer, and destroys most toys in a matter of seconds. He also swallows most snacks without even chewing, and finishes meals in record time. It takes him about 20 minutes to get everything out of the Kong, and since I hide it somewhere on our property, he also takes several minutes to find it. He seems to really love the challenge, and it’s nice to have him take more time with a snack. I tried the Kong Easy Treat to seal the toy, but I find peanut butter works just as well (especially when frozen after being filled and sealed), and it’s cheaper and easier to use.
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Reviewed in the United States on May 12, 2026