FVL WD - Seiwa Optical

FVL Customized WD Series

Various lengths of WD models other than Standard WD(65mm, 120mm) are available.
We accept custom design from 1 pc.

Model	FVL-0.5X-250D-CA	FVL-0.5X-420D-CA	FVL-1X-40D-CA	FVL-1X-140D-CA	FVL-1X-220D-CA	FVL-2X-140D-CA	VL-2X-220D-CA	FVL-8X-50D-CA-2M
Magnification	0.5X	0.5X	1X	1X	1X	2X	2X	8X
Working distance	250 mm	420 mm	40 mm	140 mm	220 mm	140 mm	220 mm	50 mm
Focal depth	3.6 mm	5.9 mm	864 µm	1.3 mm	1 mm	642 µm	1.1 mm	50 µm
Distortion	0.3 % or less	0.2 % or less	0.08 % or less	0.2 % or less	0.5 % or less	0.2 % or less	0.2 % or less	0.2 % or less
Resolution LP/mm	58 LP/mm	40 LP/mm	128 LP/mm	91 LP/mm	119 LP/mm	95 LP/mm	56 LP/mm	277 LP/mm
Resolution power	17.0 µm	25.0 µm	7.8 µm	11.0 µm	8.4 µm	10.5 µm	17.7 µm	3.6 µm
N.A.	0.0223	0.014	0.046	0.03	0.04	0.032	0.019	0.111
F number	11.2	18.5	10.8	16.6	12.5	32.1	53.6	39.74
Camera mount	C-Mount	C-Mount	C-Mount	C-Mount	C-Mount	C-Mount	C-Mount	C-Mount
Equivalent sensor	Under 1/2 inch camera	Under 1/2 inch camera	Under 2/3 inch camera	Under 2/3 inch camera	Under 1/2 inch camera	Under 2/3 inch camera	Under 2/3 inch camera	Under 2/3 inch camera

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