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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Photo Resolution Device
Perrygraf for ITEK Corporation
USA
Cardstock/Plastic
c. 1963
9 cm x 14 cm
Photography Industry
Notes:
"Used to determine photographic resolution for a lens based on wavelength, film type, blur, image motion, exposure time etc. "
Image 1
Image 2
