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The SeaRanger II is a fully waterproof 7 x 50 binocular for marine use. With an integrated illuminated compass and built-in height/distance scale, the SeaRanger is a superb aid to marine navigation. Floatable, it comes with a bright yellow light-weight strap and is made of non-slip rubber.
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The Bynolyt SeaRanger III is an improved version of the original SeaRanger II. The SeaRanger III has larger lenses to allow in more light, resulting in a clearer, higher quality image. The SeaRanger III is used by mariners and also by professional and commercial end-users. The SeaRanger is waterproof and has been proven useful in applications such as CBRN and Hazmat applications.
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The SeaRanger IV has the same optical specifications as the SeaRanger III but with the addition of a digital compass. The display shows course and bearing (tolerance +/-3°) digitally in steps of 1°. The internal LED screen also shows a graphic view of the 8 compass points. The LED screen displays the binoculars forward and backward angle of inclination (max 60°). The tilt compensation feature allows the binocular to be used forward/back +/-60° and sideways +/- 45°.
| SeaRanger II | SeaRanger III | SeaRanger IV | |
|---|---|---|---|
| Magnification: | 7x50 | 7x50 | 7x50 |
| Field of View @ 1000m: | 122m | 126m | 126m |
| Eye relief: | 18mm | 23mm | 23mm |
| Exit Pupil: | 7.14mm | 7.14mm | 7.2mm |
| Brightness: | 85 | 85 | 85 |
| Close focus: | 10m | 10m | 10m |
| Compass: | Liquid Filled | Liquid Filled | Digital |
| Weight: | 1100g | 1150g | 1150g |
| Dimensions: | 174x184mm | 190x190mm | 200 x190mm |