Celestron Oceana 7x50 Binoculars

BH #CE7X50OP • MFR #71189-A
Celestron Oceana 7x50 Binoculars
Key Features
  • BAK4 Porro Prism
  • Fully Multicoated
  • 7.5° Angle of View
  • Nitrogen Purged: Waterproof and Fogproof
The Oceana 7x50 Binoculars from Celestron are waterproof binoculars designed for marine use, covered with rubber and nitrogen purged for all weather protection. An illuminated compass for direction finding, a reticle for distance measurement, and a convenient center focus system make these very practical binoculars.
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Celestron Oceana 7x50 Overview

The Oceana 7x50 Binoculars from Celestron are waterproof binoculars designed for marine use, covered with rubber and nitrogen purged for all weather protection. An illuminated compass for direction finding, a reticle for distance measurement, and a convenient center focus system make these very practical binoculars.

BAK-4 prisms and fully multi-coated optics provide ultrasharp images with high contrast and resolution. The internal mil reticle can be used to calculate the view angle, the horizontal view angle, the vertical view angle, and the distance. The reticle uses 10 mils for each number. It consists of a vertical and horizontal scale intersecting above the compass degree scale. A calculator dial for quick distance measurement is located inside one of the tethered lens caps. Used in tandem with the reticle, the distance to an object is determined quickly and easily. This binoculars have an aluminum body and are fitted with a threaded mount for use with a tripod.

Nitrogen-purged waterproof and fogproof lenses for marine and all-weather use
All air-to-glass surfaces are fully multicoated providing sharp, high-contrast views
Peel-down rubber eyecups for eye and sunglass wearers
Illuminated LCD compass, mil reticle, and a calculator dial for distance and location assistance
Large 22mm of eye relief accommodates all types of users with glasses
Rubber covering provides added protection and a firm grip

Celestron Oceana 7x50 Specs

Key Specs
Prism Type
Porro (BAK4)
Magnification
7x
Objective Lens Diameter
50 mm
Angle of View
7.5° (Actual)
Field of View
394' @ 1000 yd / 130.81 m @ 1000 m
Exit Pupil Diameter
7.1 mm
Performance
Magnification
7x
Objective Lens Diameter
50 mm
Angle of View
7.5° (Actual)
Field of View
394' @ 1000 yd / 130.81 m @ 1000 m
Minimum Focus Distance
33' / 10.1 m
Exit Pupil Diameter
7.1 mm
Eye Relief
22 mm
Interpupillary Adjustment
56 to 72 mm / 2.2 to 2.8"
Diopter Adjustment
-5 to +5
Focus Type
Center
Features
Reticle
MIL
Fogproof
Yes, Nitrogen Filled
Environmental Protection
Water-Resistant (Unrated)
General
Battery
2x LR1142
Dimensions
8.3 x 6.2 x 3.2" / 21.08 x 15.75 x 8.13 cm
Weight
41 oz / 1.16 kg
Packaging Info
Package Weight
3.4 lb
Box Dimensions (LxWxH)
9 x 8 x 4.25"

Celestron Oceana 7x50 Reviews

See any errors on this page? Let us know

question

There is any limitation for use the compass in the southern hemisphere?
Asked by: Martin P.
In fact there is a limitation. (See the reviews - I've posted one.) I reside in the southern hemisphere (Sydney) and did note in my review that the compass was more-or-less useless. I didn't know (at the time) whether this was a southern hemisphere issue or a problem with manufacture. I can now confirm (after quite a bit of testing) that it is most certainly a southern hemisphere problem. Unless the binoculars are tilted upwards by more than 45 degrees (I haven't measured, but it seems more like 60) the compass will bind, and pretty much fail to move without repeated tapping on the housing. Tilted upwards it moves freely. That doesn't make it entirely useless but it make its use highly restricted and, IMO, rather less than accurate.
Answered by: Mike F.
Date published: 2018-08-28
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