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下載產品資料
Diameter (mm):
12.70 +0.0/-0.025
Effective Focal Length EFL (mm):
38.10
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
35.57
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
11.70
Centering (arcmin):
<1
Center Thickness CT (mm):
5.00 ±0.20
Center Thickness CT 1 (mm):
3.50 ±0.10
Center Thickness CT 2 (mm):
1.50 ±0.10
Radius R1 (mm):
25.43
Radius R2 (mm):
-20.03
Radius R3 (mm):
-74.39
Edge Thickness ET (mm):
3.92
Substrate:
Many glass manufacturers offer the same material characteristics under different trade names. Learn More
消色差透鏡包含由兩個光學透鏡黏合而成的雙合透鏡,其經過電腦優化,非常適合用來修正正軸球面像差和色像差。Magnesium Fluoride coated and VIS 0° coated achromats also available.
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