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Posts Made By: Qiao Chen

April 15, 2003 12:30 PM Forum: Chinese Optics Imports

burgess 8x60

Posted By Qiao Chen

Does anybody have the specification of burgess 8x60 binos? Do they have any 10x binos? Would 8x60 be suitable for Astro?
thanks.

April 24, 2003 05:05 AM Forum: Equipment Talk

Binoculars color

Posted By Qiao Chen

I have compared several binoculars, and found some of them have different image color (the white point). I would like to ask which brand gives a better white point? Is the color issue is related to the contrast or resolution?

April 24, 2003 05:31 AM Forum: Astro Binoculars

binocular color

Posted By Qiao Chen

I have just realised that different binoculars may have different color, or white point, or color temperature. My question is whether this is related to the contrast, or brightness, or resolution? Is there anyway to characterise this? I would like to have a less *yellow* one. Which model is more white than others?
I found Leica is very white, but it is so expansive. Does any good value one have similar color as Leica?

Another naive question, with so called ruby coated lenses, why the image is still white, not ruby colored? Just can't understand.

April 17, 2003 08:22 PM Forum: Chinese Optics Imports

burgess 8x60

Posted By Qiao Chen

Guess what? I just found a CARL ZEISS JENA JENOPTEM MULTICOATED, 10x50W, used one. about $100.00 with leather case. I am not sure about the quality of this particular one, since i haven't seen it. The only thing I have is its serial number: 5599632. Could it mean anything?