Make a lens hood for free.
Get a piece of paper and tape the paper on
After you cut the paper, the tape comes off
materials
Scissors, tape, marker, lens, rubber band
wrap the paper on the lens and mark it with a marker
Your mark will vary based on your lens, my minolta AF-50 prime and has to be shorter then a zoom lens
Take the paper off and cut the paper and replace it
Tape the gap too
