Mojo_66
Rain Kat
Reged: 25/05/2006
Posts: 3359
Loc: Lancs
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I've recently acquired a C330 with an 80mm 2.8 lens. Various websites say the filter thread is 46mm, but on the back of the lens cap it says 48mm. Which is it?
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http://www.flickr.com/photos/mojo_black/
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huwevans
Old Hand
Reged: 05/08/2000
Posts: 15408
Loc: Dorset, UK
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Couldn't you just put a ruler across it to check? Anyway, it's 46mm. The cap doesn't fit in the the filter thread - it fits around the outside, which is obviously a different size.
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Huw Evans.
  
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Mojo_66
Rain Kat
Reged: 25/05/2006
Posts: 3359
Loc: Lancs
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Cheers Huw, I'm not sure how precise I'd be with a ruler.
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http://www.flickr.com/photos/mojo_black/
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skellum
member
Reged: 25/02/2007
Posts: 109
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Mamiya (bless 'em) made all the lenses with the same thread so you only needed one set of filters. Genius. The only exception I know of is the 250mm, which is a bigger thread (49mm).
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Mojo_66
Rain Kat
Reged: 25/05/2006
Posts: 3359
Loc: Lancs
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Shame they can't all be so considerate 
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http://www.flickr.com/photos/mojo_black/
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Mugshot
journeyman
Reged: 08/01/2006
Posts: 66
Loc: U.K.
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55mm, 80mm, 105mm and 135mm take 46mm filters.
65mm,super 180mm and 250mm take 49mm filters
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Ben.
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Benchmark
Is it safe?
Reged: 12/07/2005
Posts: 3008
Loc: Sedgefield, Co Durham
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Quote:
Shame they can't all be so considerate
Shame that doesn't apply to the 645 too. The 35 m lens takes a 77 mm filter, but most others are smaller.
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Nigel CRIPN and Bar
Beware of the Dark Slide
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Benchista
Wich Tyler
Reged: 11/08/2000
Posts: 37666
Loc: Everywhere and nowhere, baby
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Indeed. 58mm, from memory, at least the 210 and 55.
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Nick
www.nbrphoto.com
Light and Shade II - the new blog
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Benchmark
Is it safe?
Reged: 12/07/2005
Posts: 3008
Loc: Sedgefield, Co Durham
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Quote:
Indeed. 58mm, from memory, at least the 210 and 55.
It's not quite that simple I'm afraid Nick:
The 55 mm f2.8, 80 mm f2.8 and 150 mm f3.5 lenses do indeed have 58 mm threads.
The 45 mm has a 67 mm thread, and the 35 mm has a 77 mm thread - but that is a fairly wide angle lens. 
I don' know about the others off hand.
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Nigel CRIPN and Bar
Beware of the Dark Slide
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Benchista
Wich Tyler
Reged: 11/08/2000
Posts: 37666
Loc: Everywhere and nowhere, baby
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Can't recall what the 70mm LS lens has, either.
My set is 35, 55, 70, 210 - but it's 18 months since I last used the system seriously. 
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Nick
www.nbrphoto.com
Light and Shade II - the new blog
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Mugshot
journeyman
Reged: 08/01/2006
Posts: 66
Loc: U.K.
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Quote:
Quote:
Shame they can't all be so considerate
Shame that doesn't apply to the 645 too. The 35 m lens takes a 77 mm filter, but most others are smaller.
I once had a Pentacon 6 and the 180mm f2.8 Olympia Sonnar lens, it took 86mm filters, and becaust of the huge cost,had to console myself with the fact that if they got scratched I could always use them as soup plates 
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Ben.
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Benchmark
Is it safe?
Reged: 12/07/2005
Posts: 3008
Loc: Sedgefield, Co Durham
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Quote:
Quote:
Quote:
Shame they can't all be so considerate
Shame that doesn't apply to the 645 too. The 35 m lens takes a 77 mm filter, but most others are smaller.
I once had a Pentacon 6 and the 180mm f2.8 Olympia Sonnar lens, it took 86mm filters, and becaust of the huge cost,had to console myself with the fact that if they got scratched I could always use them as soup plates
I consider myself very lucky: SWMBO bought me a Lee ND Grad filter set and 105 mm polariser for my MF kit, so I can use one filter on every lens.
However, I find that using Velvia and ND grads a polariser is rarely required. Polarisers also create unwanted effects when used with very wide angle lenses.
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Nigel CRIPN and Bar
Beware of the Dark Slide
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