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Bad lens, image ghosting


#1

The lens is ghosting…see photos:


Note the right side of pink tab and CE sign

More noticeable in high contrast


  • the ghost image rotates as I rotate the lens (definitely not the sensor)

#2

Hello Pitt,
I haven’t seen that! Can you unscrew the lens and make sure there is nothing on the lens (front or back)? Also make sure the sensor is clean. Something out of the focal plane may cause this, but it’s an odd artifact.

Let me know what you find.

Edward


#3

This was bought as an IRLock and came with 2 lenses (IR cut and IR pass lenses)
The IR pass lens does not have this artifact.

I salvaged the IR cut filter (tiny square glass piece at the back of the lens) from this bad lens and glue it to IR pass lens. Problem solved.