[出售] 3片式TMB 152APO -超低甩卖 |
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BADMAN:目镜的表现视场的简易计算:表现视场=57.5/焦距*视场光阑(度)
举例说明一个焦距20mm的目镜,视场光阑直径是24.5mm,它的表现视场=57.5/20*24.5=70度 |
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晓庄80/1000mm 天狼画师80/640mm 20*50双筒 DF-1 28-70mm 350D Je160+电跟 飞利浦900NC 25*100双筒
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130Refractor+106n+AT65+lunt60
AIM zEQ25 iEQ45 450D(Mod) 500D Q5 Q9 6D basler1600,DMK21618 |
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点评
这才是真土豪啊
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