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Accessories & Co.
Quality of polarising filter varies greatly. The low budget filters without coating produced usually low quality images with lens flares, low contrast and dirty colors.
Top products with multi coating are better choice, but the price ist "better" too.
Ist's your chioce, but think abuot picture quality and remember - low budget filter on top lens can downgrade it to low quality one.
Here is new mathematic formula:
1000$ lens + 100$ filter = 1100$ set,
1000$ lens + 20$ filter = 400$ set only
It's hard, I know.
with Hoya PRO 1 Digital
Cokin filter on my Contax
Cokin graduate (#120)
Others - macro accessories:
macro tubes with el. value transfer
older mechanical set (Kenko) for Contax
Filter mount for square Cokin filter with adaptal rings for different lens diameter (system A,P or Z for diff. max. filter size).
I still use some hardware filter - like a circular polariser von B&W (Kaesemann) 72mm and Hoya Pro 1D mit 77mm.
Additional, time to time the old Cokin P-System - especially graduate gray, furthermore standard screw gray neutral X-density for long time exposure, IR filter and some dummys with neutral glas as
optical protection against water and dust.
It remains marginally, couse software filters of Photoshop & Co..
Technic & Tipps