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Bushnell 7x50mm Marine with Illuminated Compass & Rangefinder Reticle Binoculars

Item# BUP336
 
4.5

(99 Ratings)

Customer Q & A

Sale Price:

$149.98

List Price: $276.95
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  • Perfect for the marine enthusiast - they float!
  • Internal rangefinder and illuminated compass
  • 100% waterproof and fog-proof
  • Highly resistant to saltwater corrosion
  • O-ring sealed and nitrogen-purged to keep out moisture
Details & Dimensions
Guarantee & Returns

What's Included?

Binoculars, Case, Lens Covers, Neck Strap, Two LR43 1.5 Volt Alkaline Batteries

Description

These binoculars were built with the mariner in mind!

 

These Bushnell 7x50 Marine binoculars with compass and range-finding reticle are standard equipment for boating, sailing, hunting, and nearly any outdoor activity. They deliver clear images in even the foulest weather conditions, from fog, rain, and ice to saltwater spray.



They're built to withstand extreme nautical environments and float in them! We suggest you keep them on board, but the 7x50 Marine binoculars are buoyant, waterproof, and corrosion-resistant, so they can take a little dunking. You'll appreciate the ultra-bright, crisp views granted by their multi-coated optics and premium BaK-4 prism glass. Rugged rubber armoring provides a sure grip, absorbs shock, and keeps them from sliding in rough conditions. They're essential equipment if you spend much time on deck, and aren't fazed by a little time off deck. The Bushnell Marine binoculars come with a rugged nylon case and neck strap.


 

Key Features

 

  • 100% waterproof
  • 100% fog-proof
  • Sink-proof (they float)
  • BaK-4 Porro Prisms for bright, clear, crisp viewing
  • Fully multi-coated optics for superior light transmission and brightness
  • O-ring sealed and nitrogen-purged to keep out moisture
  • Highly resistant to saltwater corrosion
  • Non-slip, non-skid rubber armor cushions bumps and shock, prevents sliding, and provides a firm grip when wet
  • Hermetically sealed
  • Fold-down eyecups


 

Advanced Nautical Features

The perfect binocular for sailors and outdoor lovers, the Bushnell 7x50 Marine offers a liquid-filled compass built into the viewing optics. Compass swing stops immediately due to advanced damping design, and bearings are marked out in easy-to-read, precise one-degree increments, making the instrument ideal for shipboard navigation or locating objects accurately. A range-finding scale allows the viewer to estimate the range of objects to a known size. 

 

Using the built-in Compass

 

The compass is a precision unit. It has extremely fast damping, so there is almost no "swing" and is corrected for dip (Latitude). Compass scale is in one-degree increments and is aligned with the vertical range finding scale. Compass users should always know the local variation between magnetic and true north in order to navigate accurately.  Compass bearings are called out in easy-to-read precise 1 degree increments.  Ideal for shipboard navigation work or locating objects accurately. 

 

Note: The compass in this binocular is calibrated for use in the northern hemisphere only.  It will not function correctly in the southern hemisphere. 

 

The compass is illuminated

 

The Bushnell Marine compass has a built-in LED illuminator for use at night and in low light conditions.  (Incidentally, the compass is built into the left tube of the binocular but the push button control for the light and battery are located in the right tube.  This was done to minimize the chance that electrical interference might affect compass performance.)  When the ambient light does not permit you to see the compass heading clearly, press the button atop the right tube.  If the light is dim or does not come on, replace the batteries.  To change the battery, use a thin coin to remove the battery cover by turning it counter-clockwise.  Remove the two batteries.  The batteries have a (+) on the front and a (-) on the back.  Be sure to insert the new batteries with (+) signs in the same direction.  Replace the battery cover by turning it clockwise.  Uses 2, very standard LR43 battery.   

 

Using the Rangefinding Reticle Scale

The vertical scale (reticle) visible through the left half of the binocular, above the compass display, allows calculation of distance to an object if its height is known or calculation of height if its distance is known.  Each mark on the vertical scale has a value of 5 MIL (1MIL is equivalent to an angle that can determine an object one meter in height at a distance of 1000 meters). Thus, if a navigation chart gives the height of an object, by sighting on it and counting the number of MILs in the reticle, you can determine its distance. Here are the pertinent formulas:

To measure distance when the height is known:
[Objective Height (m) / Scale Reading] X 1000m = Distance in Meters

 

To measure object height when the distance is known:
[Distance (m) X Scale Reading] / 1000 = Object Height in Meters


 

These binoculars feature individual focus eyepieces

 

Instead of a focus wheel to adjust the binocular, these marine binoculars feature individual focus eyepieces.  Each eyepiece is adjusted for focus.  This is a common feature on Marine binoculars.  The idea is that on a boat, the objects you are viewing are generally always far away.  You can focus the binocular for the main users eyes and basically never adjust them again.  Once focused at infinity, each time you bring them to your eyes they will be focused perfectly.  If you search the top-rated marine binoculars you will find this to be the preferred focusing type. 

 

Care for your Bushnell binoculars around salt water

 

After heavy exposure to saltwater or spray, flush the binoculars thoroughly with fresh water and wide dry.  Avoid extended exposure to bright sunlight and severe temperature fluctuations.  For example, if the binocular has been used under very cold conditions, bringing it into a heated environment could cause condensation build up.  While these binocular are waterproof, allow time for gradual change in temperature to keep your binoculars like new for years to come.

 

About Bushnell
For over 50 years, Bushnell® has been the industry leader in high-performance sports optics and outdoor accessories. Bushnell's dedication to emerging technologies, leading edge design, and performance innovation is what makes it one of the most reputable and recognized companies in the world. Bushnell boasts leading market share in all of the sports optics categories, and their products have consistently won design and performance awards from prestigious organizations.

Bushnell product lines enhance the enjoyment of every outdoor pursuit from spectator sports, nature study, hunting, fishing, and birding to stargazing. Indoors, Bushnell binoculars bring the audience closer to the action in fast-moving sports or the fine arts at theaters and concerts. Bushnell Outdoor Products is the parent company of the following brands: Bushnell, Bolle, Serengeti, Browning Sports Optics, Tasco, Uncle Mike’s, Hoppe’s, Butler Creek, Stoney Point, Blackwater Gear, and Uncle Mikes Law Enforcement.

Supplier Sku:
137500
Shipping Restrictions:
Only ships in contiguous USA.

Dimensions & Specifications

Weight

37 oz.

Size

Full Size Binoculars

Warranty

2 Year

Eye Relief

18mm

Waterproof

Yes

Features

Compass , Floating , Rangefinder , Reticle , Waterproof

Magnification

7x

Brand

Bushnell

Dimensions (in)

7.5 x 7.4

Objective Lens Diameter

50mm

Field of View at 1000 Yards

350 ft.

Angular Field of View

6.7 Degrees

Exit Pupil

7.1mm

Focus Type

Individual Focus

Close Focusing Distance

35 ft.

Tripod Adaptable

Yes

Binoculars Series

Bushnell Marine Binoculars

Lens Coating

Fully Multi-Coated

Prism Type

Porro Prism Binoculars

Prism Glass

BaK-4

Eyecups

Roll Down

Interpupillary Distance

56mm-72mm

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The Perfect Accessories

Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
Bushnell 7x50mm Marine with Illuminated Compass & Rangefinder Reticle Binoculars
 
4.4

(based on 99 reviews)

Ratings Distribution

  • 5 Stars

     

    (49)

  • 4 Stars

     

    (45)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (0)

99%

of respondents would recommend this to a friend.

Pros

  • Strong construction (68)
  • Quality lenses (58)
  • Close focus (33)
  • Waterproof (23)
  • Works well with glasses (22)

Cons

  • Heavy (20)
  • Heavy / bulky (14)
  • Difficult to focus (3)

Best Uses

  • Bird watching (25)
  • Wildlife viewing (20)
  • Yachting (13)
  • Sporting events/concerts (10)
  • Hunting (9)
    • Reviewer Profile:
    • Casual/ recreational (46), Avid adventurer (23), Professional guide (4)
    • Was this a gift?:
    • No (25), Yes (6)

Most Liked Positive Review

 

A superb product! I'd love to buy more!

I use these fine glasses for nature observing, looking at the moon, watching aircraft, looking at familiar Constellations and for beach and ocean viewing. I also try to read license plates on cars...Read complete review

I use these fine glasses for nature observing, looking at the moon, watching aircraft, looking at familiar Constellations and for beach and ocean viewing. I also try to read license plates on cars and trucks as they move down the street past my house (but for this activity I need to use a tripod for supporting the binoculars. I cannot hold them steady enough on my own to see each number and letter.)

Even with my slight right eye astigmatism, I am able to see great detail and true rendition of color. The realism is astounding with these binoculars.

The first pair of Bushnell binoculars I bought were 10 x 50 Sportview Extra Wide Angle.
I still have them now after 25 years and they are a very sharp resolving binocular. I only had them shipped out for re-collimation one time after I bumped them accidentally. At that time Bushnell's headquarters was located in Pasadena.
The work was done quickly at their repair lab.
I was not charged for the work.

I also have an 8-24 power zoom with 50mm lenses. When I noticed one day that one of the inside zoom lenses became loose in its mounting, I took them to Bushnell's repair facility and was totally surprised when they replaced the binocular with a brand new pair right on the spot!

Bushnell without any doubt puts their customers' satisfaction first in their business and I believe they work hard to put their cutting-edge quality instruments in the hands of grateful customers like myself.

I am very thankful to Bushnell for putting so much excitement into my life with binoculars I am proud to own.

VS

Most Liked Negative Review

 

A Fair Choice for the value...

I did an overnight sail last week and was not totally happy with the performance. The compass rewiew on the left side of the binocular is making the image hazy when in motion sometimes....Read complete review

I did an overnight sail last week and was not totally happy with the performance. The compass rewiew on the left side of the binocular is making the image hazy when in motion sometimes. I never use the reticle for judging distance. Well thats my preference, I prefer a Circular view.
But it is great for the price, can't go wrong there.
perfect for amateur use.

Reviewed by 99 customers

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Displaying reviews 1-5

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5.0

Perfect

By Thomas

from Warwick, RI

About Me Casual/ Recreational

Verified Buyer

Pros

  • Compact
  • Lightweight
  • Quality Lenses
  • Strong Construction
  • Waterproof

Cons

    Best Uses

    • Ocean boating
    • Wildlife Viewing

    Comments about Bushnell 7x50mm Marine with Illuminated Compass & Rangefinder Reticle Binoculars:

    They were better than I expected them to be.

    • Was this a gift?:
    • No
     
    4.0

    Bushnell 7 X 50 Marine Binoculars

    By Michael

    from COLD SPRING HARBOR,NY

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Quality Lenses
    • Strong Construction
    • Waterproof
    • Works Well With Glasses

    Cons

    • Poor quality case
    • Poor Quality Lens Caps

    Best Uses

    • Marine
    • Sporting Events/Concerts
    • Wildlife Viewing

    Comments about Bushnell 7x50mm Marine with Illuminated Compass & Rangefinder Reticle Binoculars:

    Bought these to replace 7 X 35 light weight Bushnell field binocs that broke when they were tossed from helm in rough seas and fell 6' to lower cabin sole. They are heavier than compact Steiner marine binoculars, but at 1/3 the price they are fine, are waterproof, have integral lighted compass and manufacturer claims they will float if they hit the drink. Easy to use with or without glasses on. Just completed 12 hour delivery and wore these almost the entire time on watch without much discomfort or fatigue. Recommend a padded neck strap.

    • Was this a gift?:
    • No

    (1 of 1 customers found this review helpful)

     
    5.0

    Excellent all a round

    By Clifford

    from MAYVILLE,MI

    About Me Avid Adventurer

    Verified Buyer

    Pros

    • Compass
    • Quality Lenses
    • Strong Construction
    • Waterproof

    Cons

      Best Uses

      • Sail Boating

      Comments about Bushnell 7x50mm Marine with Illuminated Compass & Rangefinder Reticle Binoculars:

      Faster then expected delivery, product as described .

      • Was this a gift?:
      • No

      (1 of 2 customers found this review helpful)

       
      5.0

      Great Maine Binoculars

      By Walter

      from AMITYVILLE,NY

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Quality Lenses
      • Strong Construction
      • Waterproof

      Cons

      • Heavy

      Best Uses

      • Boating

      Comments about Bushnell 7x50mm Marine with Illuminated Compass & Rangefinder Reticle Binoculars:

      Great Maine Binoculars

      • Was this a gift?:
      • No

      (0 of 1 customers found this review helpful)

       
      5.0

      great binocs

      By Michael

      from Chester, MD

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Quality Lenses
      • Strong Construction
      • Waterproof

      Cons

      • Heavy

      Best Uses

      • Bird Watching
      • Sporting Events/Concerts
      • Wildlife Viewing

      Comments about Bushnell 7x50mm Marine with Illuminated Compass & Rangefinder Reticle Binoculars:

      I would buy again.... Actually, I did buy again as my first pair was stolen.

      • Was this a gift?:
      • No

      Displaying reviews 1-5

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      Customer Q & A

      Q1: What does 7x50 mean?

      A: The first number before the X is the magnification of the binocular. The second number is the objective lens diameter, measured in millimeters. So for example, this binocular will make an object appear to be 7 times closer than the naked eye and have a 50mm objective lens.

      Q2: What is the peak light transmission (over 90%) of these binoculars?

      A: These binoculars have 94% peak light transmission.

      Q3: The range finder option, does it calculate the range automatically or do you have to manually adjust it?

      A: The range finder option is actually a reticle that you will see when you look through the binocular. The vertical scale (reticle) visible through the left half of the binocular, above the compass display, allows you to calculate distance to an object if you know its height, or to calculate the height of an object if you know its distance from you. Each mark on the vertical scale has a value of 5 MIL (1MIL is equivalent to an angle that can determine an object one meter in height at a distance of 1000 meters). Therefore, if a navigation chart gives the height of an object, by sighting on it and counting the number of MIL's, you can determine how far away it is. Here are two formulas: To measure distance when the height is known: Objective Height (m) / Scale Reading X 1000m = Distance in Meters To measure object height when the distance is known: Distance (m) X Scale Reading / 1000 = Object Height in Meters

      Q4: What does the 303 ft. at 1000 yards mean?

      A: It means that the field of view will be 303 feet wide at 1,000 yards. In other words, you'll be able to see an area 101 yards wide at 1,000 yards' viewing distance.

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