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[ 光學鏡組 | NIKON | PFM0125020ML ]

■ Rayfact IL50mmF2.8N - PFM0125020ML

 
Model PFM0125020ML
Focal length 52.1 mm
F Number

2.8

Magnification scale -0.125x
Magnification range -0.05x~-0.5x
Reference wavelength 587.56 mm ( d-line )
Wavelength range 380~700 nm
Picture angle 41°
Image size 43.2 mm Φ
Original size 345.6 mm Φ
Distortion -0.48 %
Relative illumination Over 44 %
Aperture scale 2.8 , 4 , 5.6 , 8 , 11, 16 ( With a finger stop ※2)
Object-to-image distance 513.3 mm
Working distance 437.0 mm
Mount size d=39mm 1/P=26 ( Leica )
Flange-to-image distance 49.1 mm
Back focus 37.7 mm
Attachment size M40.5 ( P=0.5 )
Diameter / length 51 mm Φ x 39.8 mm ※1
Weight 約 135 g
※1 Dimension excludes protrusion of screws or other convex part.
※2 The diaphragm dial displays it with an index. ( Circle is F2.8 )
 

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update: 2020-03-27