SKU: 90269393464

Hawke Optics Endurance ED Marine Binoculars 7x42 Monocular - Blue w/Compass [36521]

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Description

Hawke Optics Endurance ED Marine Binoculars 7x42 Monocular - Blue w/Compass [36521]Endurance ED Marine Binoculars 7x42 Monocular Blue with Compass A range of optics designed specifically for marine applications. For over a decade, Endurance ED optics have been renowned for incredible performance and reliability. Now, with the introduction of the Marine range, we have expanded upon this award winning selection with optics specifically designed for marine and boating applications. With a range of models to choose from, the Marine

Endurance ED Marine Binoculars 7x42 Monocular - Blue with Compass

A range of optics designed specifically for marine applications.

For over a decade, Endurance ED optics have been renowned for incredible performance and reliability. Now, with the introduction of the Marine range, we have expanded upon this award-winning selection with optics specifically designed for marine and boating applications.

With a range of models to choose from, the Marine Optics family features binoculars and monoculars to suit any requirement.

Advanced BAK-4 roof prism optical systems make far more compact, modern, and lightweight optics than the industry norm.

An integrated compass allows you to pinpoint your bearing and that of any object or land.

Rangefinding Reticle

The rangefinding reticle can be used to calculate the distance between you and the object you are looking at. This can be extremely important in nautical environments, assisting as a visual check and as a failsafe to on-board navigation systems.

The rangefinding reticle is made up of a grid-like pattern of lines that are segmented into Milliradians, known sometimes as Mils. A milliradian is a unit of angle that can be used to calculate the distance of a known-sized object.

Note: The compass is set for Northern Hemisphere latitudes (Europe and the USA), so it may appear slightly out of focus when used outside these regions.

Features:

  • Built-In Compass
  • Rangefinder Reticle Display For Distance Calculation
  • 7x Magnification Perfect For Marine Applications
  • Extra-Low Dispersion (ED) Glass
  • Phase Corrected
  • High Resolution Phase Corrected BAK-4 Roof Prisms
  • Twist-Up Eye Cups With Position Stops
  • Stay-On Lens Covers
  • Floating Wrist Strap
  • Nitrogen purged
  • Waterproof and Fog-proof
  • Hawke No-Fault Lifetime Warranty

Specifications:

  • Magnification: 7x
  • Objective Lens: 42mm
  • Lens Coating: Fully Multi-Coated
  • Color: Blue
  • Optical System: System H5
  • Field of View (°): 7.5
  • Eye Relief: 0.7in, 17mm
  • Exit Pupil: 0.24″, 6mm
  • Field of View: 393ft @100yds, 131m @100m
  • Apparent Field of View (°): 53
  • Close Focus: 6.6ft, 2m
  • Prism Type: Roof
  • Prism Glass: BAK 4
  • Eye Cups: Twist-Up
  • Eyecup: 1.7in, 43mm
  • Diopter Type: Eye Piece
  • Tripod Mounting Thread: Yes (1/4" - 20 UNC)
  • Height: 6.3″, 159mm
  • Width: 3.1″, 121 - 80mm
  • Weight: 14.3oz, 405g

Specifications:

  • Compass: Yes
  • Field of View @ 1000 YDS: 393
  • Magnification: 7
  • Objective Lens Diameter (MM): 42
  • Waterproof Rating: Waterproof
  • Weight (oz): 14.3
  • Box Dimensions: 3"H x 6"W x 9"L WT: 2 lbs
  • UPC: 5054492365210

Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 90269393464

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Sharon T.
New York, US
★★★★★ 2
Combersom
Cumbersome, does not hold 3nough water
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
M
Miah Quesada
Waukegan, US
★★★★★ 3
Mixed Results
These strips fit comfortably and don’t slide around, which I appreciated. They are gentle on my gums and enamel, and I noticed a slight improvement in brightness after consistent use. That said, they aren’t as strong as some other whitening strips on the market, so if you’re looking for dramatic results you may be underwhelmed. Good for subtle whitening.
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Reviewed in the United States on October 2, 2025
D
Disappointed Reader
Fort Morgan, US
★★★★★ 5
Does work well for removing minor stains
This product is probably best for removing minor staining - things like coffee, tea, red wine. I don't think it would work for longer-term stains that accumulate with age - the strips are not powerful enough for that. Very easy to use: just apply and leave on for half an hour or until you can feel that they are no longer well-attached. The "cleaning" process starts immediately - you can see the bubbles form. I am a tea drinker, and I notice immediate effect after putting these on. Don't expect miracles, but they will help with fresh stains for sure. For me, they do not increase the sensitivity, but my teeth are generally not sensitive. But they are peroxide based, so the possibility is always there that it could have that side effect.
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Reviewed in the United States on November 1, 2025
R
Raejanae'
Charlottesville, US
★★★★★ 4
Actually Works! Noticeable Results Quickly
THESE WORK GREAT! I’m a smoker and occasional coffee drinker, and these strips got my teeth from a 12 to a 9 in just a week—I actually noticed results right away. I don’t use them every day, but even with sporadic use, the difference is clear. A couple of downsides: a few strips didn’t stick perfectly, but most stayed in place well. The upsides: I have very sensitive teeth (I can’t even drink ice-cold water easily), and even when I left the strips on longer than recommended, I had very little to no sensitivity. Another bonus is that they’re stretchy! I’ve tried other well-known brands, and their strips had no stretch and often left my back teeth exposed. Overall, these are effective, comfortable, and easy to use—I definitely recommend them!
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Reviewed in the United States on September 27, 2025
T
Teleskier
Boise, US
★★★★★ 5
Finally, whitening strips that work for me
I normally have not been able to use whitening strips due my teeth and gums being sensitive, but that hasn't been a problem with these pleasant-tasting strips. They really stick well on the teeth, takes a little effort to get them off in fact but that's not a complaint. Of course the main thing is that they whiten the teeth and while my teeth are probably a little harder to whiten due to my copious use of coffee and tea I can say that these have definitely whitened my teeth a couple shades since using them. Would definitely use again.
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Reviewed in the United States on October 25, 2025

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