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[ 光學鏡組 | NIKON | OFM24012MN ]

■ Rayfact 2.35x - OFM24012MN

 
Model OFM24012MN
Focal length 95.1 mm
NA (object space)

9.5 ( at Standard magnification )

Magnification scale -2.35x
Reference wavelength 546.07 mm ( E-line )
Wavelength range 400~800 nm
Picture angle 11.4°
Image size 60 mm Φ
Object size 27.24 mm Φ
Distortion 0.0 % (at 64 mm Φ)
Relative illumination 78.9 % (at 64mm Φ)
Aperture scale 2.8 , 4 , 5 , 6 , 8 , 11
( 18° interval , 1/2 dials with a finger stop )
Object-to-image distance 424.2 mm
Working distance 79.5 mm
Mount size M45 ( P=0.75 )
Flange-to-image distance 254.5 mm
Back focus 255.4 mm
Attachment size -
Diameter / length 57 mm Φ x 94.2 mm
Weight 約 420 g
 

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update: 2020-03-27