Rangefinder Contrast Filter Compatible With Leica OKARO

Description

Unbranded rangefinder contrast filter for Leica IIIb, IIIc, IIIf etc, which has 11mm rangefinder windows. Leica has two different rangefinder window sizes, old is 10mm, later is 11mm. Filters are not compatible with each others.
This one is OKARO compatible, not original Leica product.
Please contact me if you are not sure about it.
Transmission rate follows exactly original Leica orange-red OKARO.
The sale is for 1 filer only. Camera and lens are not included in the sale.
For international buyers other than in N. America, sorry for the USD 0.01 postage. eBay cannot create free postage.
For other locations, please contact me as I am not sure if we have postal service to your location or not.