Mustafa Umut Sarac
Member
Where can I find equivalent Wratten Gelatin Filters from 1922 herebelow
red No. 29 or F,for the green No. 61 or N, and for the blue No. 50 or L.
I dont know where to look.
Thanks
Umut
red No. 29 or F,for the green No. 61 or N, and for the blue No. 50 or L.
I dont know where to look.
Thanks
Umut