Blue Conversion filters help correct warm or amber light to neutral Daylight. The 80C filter is a dark blue filter that corrects 3800K (Incandescent) light to 5500K (Daylight).
Included (might not be in photographs): Case.
Optical: Excellent, free from marks or scratches.
Mechanical: Fully working.
Graded: Excellent Plus
(Signs of light use, but not misuse. )