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描述 Explore Scientific AR127 Air-Spaced Doublet 是一款经典的 Air-spaced-crown-and-flint、doublet 消色差折射镜,旨在以短 (f/6.5) 焦距设计产生一流的光学图形。 使用 AR127 型号,您会对目镜上呈现给您...
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