targets illumination cameras microscopy / objectives filters / accessories liquid lens / specialty telecentric fixed focal length resource guide 72 +44(0) 1904 788600 | Edmund Optics® LF Series Fixed Focal Length Lenses
Focal Length: 50mm
Maximum Camera Sensor Format: 35mm
Horizontal Field of View, 35mm Sensor: 362.7mm - 39.9°
Horizontal Field of View, APS-H Sensor: 292.9mm - 32.7°
Horizontal Field of View, APS-C Sensor: 223.8mm - 25.3°
Working Distance: 500mm -
Aperture (f/#): f/2.0 - f/22
Numerical Aperture NA, Object Side: 0.024
Number of Elements (Groups): 7 (5)
Distortion: <1%
Coating: λ/4 MgF2
Lens Mount: F-Mount
Weight: 223g
Stock No. / Price #85-203 £807.50
Call For OEM Quantity Pricing
100mm 50mm
100
90
80
70
60
50
40
30
20
10
0
Illumination (%)
Relative Illumination, #85-203
Sensor Format: 1” 1.2” 35mm
0.00 10.82 21.65
Image Height (mm)
f/2.0
f/2.8
f/4.0
f/5.6
f/8.0
MTF: f/2.8, 1000mm WD, #85-203
Spatial Frequency in Cycles per mm
Contrast (%)
100
90
80
70
60
TS 21.65mm
50
TS 15.20mm
40
TS 0.00mm
30
Diff. Limit
20
Pixel Size: 25μm 12.5μm 10μm
10
0
0.0 25.0 50.0
Curve Guide see page 14
0.00 10.82 21.65
MTF: f/2.8, 1500mm WD, #85-204
Spatial Frequency in Cycles per mm
Contrast (%)
100
90
80
70
60
TS 21.65mm
50
TS 15.20mm
40
TS 0.00mm
30
Diff. Limit
20
Pixel Size: 25μm 12.5μm 10μm
10
0
0.0 25.0 50.0
Focal Length: 100mm
Maximum Camera Sensor Format: 35mm
Horizontal Field of View, 35mm Sensor: 164.5mm - 20.3°
Horizontal Field of View, APS-H Sensor: 133.3mm - 16.6°
Horizontal Field of View, APS-C Sensor: 102.2mm - 12.7°
Working Distance: 500mm -
Aperture (f/#): f/2.8 - f/22
Numerical Aperture NA, Object Side: 0.032
Number of Elements (Groups): 8 (5)
Distortion: <1%
Coating: λ/4 MgF2
Lens Mount: F-Mount
Weight: 564g
Stock No. / Price #85-204 £1,185.75
Call For OEM Quantity Pricing
100
90
80
70
60
50
40
30
20
10
0
Illumination (%)
Relative Illumination, #85-204
Image Height (mm)
f/2.8
f/4.0
f/5.6
f/8.0
Sensor Format: 1” 1.2” 35mm
Curve Guide see page 14
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