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6 Items
A=B=C=40.0 mm；D=43.3 mm
鍍膜方式：反射面鍍鋁+黑漆保護(hù)，入射面和出射面鍍單層 MgF2 增透膜
A=B=C=30.0 mm；D=32.47 mm
A=B=C=20.0 mm；D=21.65 mm
A=B=C=10.0 mm；D=10.82 mm
A=B=C=5.0 mm；D=5.45 mm
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