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Kowa BD 8x56 XD Prominar
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Specifications
| Manufacturer | Kowa |
|---|---|
| Model | BD 8x56 XD Prominar |
| Lens diameter [mm] | 56 |
| Magnification [x] | 8 |
| Angular field of view [deg] | 6 |
| Linear field of view [m/m] | 105/1000 |
| Exit pupil [mm] | 7 |
| Eye relief [mm] | 23 |
| Min. focusing dist. [m] | 3 |
| Twilight factor | 21.17 |
| Brightness | 49 |
| Prisms | BaK-4/roof |
| Dimensions [mm] | 168x148x70 |
| Weight [g] | 1150 |
| Waterproof | Yes |
| Nitogen filling | Yes |
| Argon filling | No |
| Image stabilization | No |
| Tripod exit | Yes |
| Focusing | central |
| Warranty [years] | 10 |
| Accesories | |
| Price | 1849 |
| Additional information |
Owners reviews (1)
Overall
Owner since: 1 month
Price: 1666
User profile: Professional
Cons: Very narrow field of view (6 deg. according to specs, 5.8 deg in real.) Too narrow apparent (eyepieces) FOV
Pros: Sharp across the frame CA only visible at the edges Well built, good mechanics No distortion
Summary: I can compare it to Delta Titanium 8x56 ED since I had that before. Kowa is a better built construction and looks more a modern bino than Delta T. My Delta had quality issues, however that is not common. Kowa has no issue at all regarding quality. Sharpness and low light performance are the same. Delta has much bigger field of view than Kowa (7.3 vs 5.8 - measured here on allbinos) but Delta has a serious distortion which is very annoying when you are panning with it - looks like you are viewing through a glass sphere). Kowa\'s image has no noticable distortion but it lacks field of view. 5.8 is very very narrow in this class. Imagine the new Minox BL 8x56 HD has 7.8 deg FOV! The difference is about 30m on 100m distance. It\'s huge difference! Even a 7 deg bino makes a remarkable difference, moreover a 6.5 deg bino will give you a noticable difference too. You can live with that but if you switch from a 7 deg old porro from example thant it will be annoying at first time.