You are buying secondhand. Lenses may have dust inside or minor marks on the coatings.
Canon Speedlite 300EZ for Canon EOS #1
Canon Speedlite 300EZ For Canon EOS 35mm Film Cameras
[EXC+3] Canon Speedlite 300EZ Shoe Mount Flash for Canon w/Case From Japan2
Canon Speedlite 300EZ Flash for Canon EOS with Original Case - Clean
Canon Speedlite 300EZ Shoe Mounted Flash + Case Suitable For EOS EF Cameras
Tested [Near MINT] Canon Speedlite 300EZ Shoe Mount Flash for EOS From JAPAN
![[EXC+3] Canon Speedlite 300EZ Shoe Mount Flash for Canon w/Case From Japan2](https://images.buynet.work/thumb.php?i=385561168&s=240)
![Tested [Near MINT] Canon Speedlite 300EZ Shoe Mount Flash for EOS From JAPAN](https://images.buynet.work/thumb.php?i=389582466&s=240)