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Kowa BD 8x32 XD Prominar
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Specifications
| Manufacturer | Kowa |
|---|---|
| Model | BD 8x32 XD Prominar |
| Lens diameter [mm] | 32 |
| Magnification [x] | 8 |
| Angular field of view [deg] | 7.5 |
| Linear field of view [m/m] | 131/1000 |
| Exit pupil [mm] | 4 |
| Eye relief [mm] | 17 |
| Min. focusing dist. [m] | 1.5 |
| Twilight factor | 16 |
| Brightness | 16 |
| Prisms | BaK-4/roof |
| Dimensions [mm] | 122.5x118.5x47.5 |
| Weight [g] | 560 |
| Waterproof | Yes |
| Nitogen filling | Yes |
| Argon filling | No |
| Image stabilization | No |
| Tripod exit | Yes |
| Focusing | central |
| Warranty [years] | 10 |
| Accesories | |
| Price | 1289 |
| Additional information |
Owners reviews (1)
Overall
Owner since: 3 months
Price: 380 eu
User profile: Amateur
Cons: - Plastic focus knob feels cheap and could be smoother; gets better after a few months of use though. - Diopter adjustment is a bit stiff and feels cheap.
Pros: Very light and great ergonomics. Optical performance unexpectedly good: - very usable eye relief, even with glasses: the stated 17 mm feels better than most of the competition in this range. No kidney bean effect even when scanning with the eyes to the very periphery of the field. - Sharp to 80% of the field, but field curvature is visible and affects the remaining 20%: it can be refocused to a very sharp image even in the very border. A correct IPD setting is of paramount importance to \"sinchronize\" the field of sharp focus on both barrels. - Very low astigmatism and coma, stars are pin sharp to 80% of the field, then mild \"sparkling\" effect and minimum deformation. - Extremely good control of chromatic aberrations: minimal up to 80% of the filed, then moderate (I suspect due to field curvature) - Very good control of stray light.
Summary: A very good performer in this price range. Very good control of optical aberrations in a wide sharp field but some field curvature to be accounted for when setting IPD to benefit of best possible sharpness. As per many other binos in the entry level range, contrast is the only aspect which sets this bino back compared to \"over-1000-euros\" ones: the difference to my Leica Trinovid and Minox HG is visible, more so compared to the top of the range offerings from Swarovski and Zeiss.