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The
Oceana Series from Celestron
features waterproof models for marine use. Choose from three feature-rich
models - whether you want center focus, traditional individual
focus,
or a model with a compass and reticle. All are rubber covered to
protect against rough handling. All provide maximum optical performance
with BAK-4 prisms and multi-coatings for sharp images with high
contrast and resolution. Each model has a large, 50mm objective
lens to offer maximum image brightness even in low light conditions,
like dusk and dawn.
 Oceana 7 x 50 CF Center
Focus:
- Smooth
center focus wheel
- Easy-to-grip, large objective diopter ring for smooth and more
precise focusing
- Attached objective caps
- Completely waterproof - dry nitrogen charged and sealed with
internal O-rings to prevent internal fogging - unaffected by climate
and temperature changes
- Tripod adapter fitting for tripod mounting
- No-Fault Lifetime Warranty
Oceana 7 x 50 IF Independent
Focus:
- Completely
waterproof - dry nitrogen charged and sealed with internal O-rings
to prevent internal fogging - unaffected by climate and temperature
changes
- Individual eyepiece focus with diopter scale for quick and accurate
focusing
- Excellent depth of field for minimal focus adjustments
- Nautical style padded canvas case and straps
- Attached objective caps
- Tripod adapter fitting for tripod mounting
- No-Fault Lifetime Warranty
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Product
Image |
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| Model |
71187 |
71188 |
71189 |
| Size |
7 x 50 CF |
7 x 50 IF |
7 x 50 IF/RC |
| Design |
Porro |
Porro |
Porro |
| Prisms |
BAK-4 |
BAK-4 |
BAK-4 |
| Coating |
Multi-Coated |
Multi-Coated |
Multi-Coated |
| Weatherproof |
Waterproof |
Waterproof |
Waterproof |
Angular
Field of View
(FOV°) |
7 |
7 |
7 |
Linear FOV
(ft @ 1000 yd) |
367 |
367 |
367 |
| Exit Pupil (mm) |
7.1 |
7.1 |
7.1 |
| Eye Relief (mm) |
24 |
26 |
26 |
| Near Focus (ft) |
25 |
18 |
18 |
| Weight (oz) |
40 |
35 |
38 |
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