Terrestrial Binoviewing – 2

I further tested with Baader 45-degree prism. Indeed the built-in 2x barlow looks eliminating vignetting. Looks full aperture. That’s good. But in image contrast, straight-thru way with BORG prism looks higher to me. Brightness? I’m not sure. But at least I’m sure both are bright enough for daytime use.This should overwhelm conventional spotting scopes. 45-degree? or straight-through? I think that’s personal favorite. I think it is relatively easier to point to the target by staright-through. In any cases, binoviewing is very nice.

BTW, Baader’s unit is superb. Collimation is dead on. The field of view is completely matched round. Very comfortable. According to the instruction sheet, the unit allows to re-collimate. That’s good. But that should be just in a case. It’s well-made. I can highly recommend Baader binoviewer. Also there are several accessories related to binoviewer. Well-designed as system too.

 

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~ by tedishikawa on December 8, 2011.

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