FYI- common issues IR lens
IR wide angle is worse vs normal: http://www.lifepixel.com/infrared-photography-primer/ch4-lenses-slr-lenses-wide-angle-distortions
hot spotting is (sometimes) realy headache: http://www.lifepixel.com/lens-considerations
FYI- common issues IR lens
IR wide angle is worse vs normal: http://www.lifepixel.com/infrared-photography-primer/ch4-lenses-slr-lenses-wide-angle-distortions
hot spotting is (sometimes) realy headache: http://www.lifepixel.com/lens-considerations