Pentax MF Tulip Hood Question

[Beevo]

What is the little removable panel on the side of the bayonet hood that i have on a SMC 67 90-180 Zoom?

 

[John Wiegerink]

What is the little removable panel on the side of the bayonet hood that i have on a SMC 67 90-180 Zoom?

Polarizing filter slot so you can rotate the filter?

 

[Beevo]

That makes perfect sense and the lens I bought came with what has to be the biggest polarizer I have ever seen.

Never thought of that...

 

[John Wiegerink]

That makes perfect sense and the lens I bought came with what has to be the biggest polarizer I have ever seen.

Never thought of that...

Have fun and itt's a great lens to have fun with!