lens problem

javadsavary

Member
2013-03-17 10:06 am
hi everybody
i have fresnel with focal length 175 mm and projection
lens with FL 230
the problem is the blur image in edges.
in center i have good and clear image.
please help me what i have to do:confused::confused:
Should be the focal length of both to
equal.if not Which one should be less
 
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