The 500mm f/6 APO is the longest telephoto utilizing ultra-low dispersion glass and computer aided design to eliminate chromatic abberation common to telephoto lenses over 200mm focal length.
Resolution, color reproduction and overall sharpness are enhanced at all apertures because chromatic abberation is eliminated. The 500mm APO lens includes tripod support bracket.
Applications include long distance landscape, aerial, industrial and wildlife photography.
Equivalent to 238mm in 35mm format.500mm f/6 APO Specifications | Optical Construction | 7 elements/7 groups | Angle of View | 10° | Diaphragm | Automatic | Minimum Aperture | 45 | Shutter | Seiko #1 mechanical lens shutter, 1~1/400 sec., T (time), X contact (flash synchronization at all speeds) | Equivalent Focal Length for 35mm | 238mm | Minimum Focusing Distance | 21' 3.8" / 6,493mm | Magnification | 0.09x | Area Covered | 23.5 x 29.2" / 597 x 740mm | Filter Size | 105mm | Lens Hood | Slip-on | Dimensions (L x W) | 10.7 x 4.3" / 271.5 x 108mm | Weight | 5 lbs. 3 oz. / 2,360 g. | 我看过相关的书籍,这个玛米亚RB67SD镜头出厂价格不是很贵 ,但是二手市场上很少,各位大侠能否指教下?哪里能买到这个玩意 原始请看http://www.mamiya.com/lenses.asp?id=1&id2=15&id3=17&id4=262&id5=276 |