Gelatin filter holder on some lenses

[mikew_RIP]

I didnt know that

Did You Know About the Rear Gelatin Filter Slot on Some Wide Angle Lenses?

 

[Eyelight]

New here too.

 

[Fred Kingston_RIP]

I didnt know that

Did You Know About the Rear Gelatin Filter Slot on Some Wide Angle Lenses?

/queue Mission Impossible soundtrack here/
/voice over/
"Your task Jim, should you chose to accept it, is find a source for gelatin filters that fit those lenses."

 

[Scott Murray]

Gives me ideas