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wiggywag
15-Apr-2013, 11:04
Hi!

What is the biggest filter thread size for Series9 filters? What is the actual diameter of the filter itself?

Thanks :-)

Jac@stafford.net
15-Apr-2013, 11:13
Hi!What is the actual diameter of the filter itself?

The #9 series filter is 3.25 inches (82.6 mm)
It's retaining ring is 3 7/16 inches (87.5mm)

It is usually referred to in inch metrics

The #9 System has #9 as the largest, but there are other series filters that go up to 5 7/16"

wiggywag
19-Apr-2013, 14:30
Is there a brand out there making series 9 filters other than Tiffen, with quality glass?

Greg Davis
19-Apr-2013, 14:32
Harrison and Harrison.

wiggywag
19-Apr-2013, 15:33
Harrison and Harrison.

not anymore...out of business

Stefaan VB
24-Apr-2013, 12:49
Is there a brand out there making series 9 filters other than Tiffen, with quality glass?

I believe Formatt Filters is still making series 9 filters (www.formatt.co.uk).

Bob Salomon
24-Apr-2013, 13:01
Is there a brand out there making series 9 filters other than Tiffen, with quality glass?

Heliopan. They measure 82.6 x 5.6mm. Heliopan makes Series V, 5.5, VI, VII, 7.5L, VIII, IX and 93. But not in all filter types.

wiggywag
27-Apr-2013, 00:37
All my lenses have filter threads and are quite modern. Is there any reason for choosing Series 9 over e.g. Hoya filters set with step up rings for the lenses?