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05-18-2011, 09:14 AM   #1
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Hood for 135/4 and 105/2.4 Identical?

I've got this screw-in hood for older 135/4 and (?) 150/2.8 Takumar lenses, and I simply wonder if it's the same length and shape as for the 90/2.8 and 105/2.4. It looks a tad long, but I can see noo vignetting on the matte screen at any distance or aperture, so it wouldn't surprise me if they just took the same thing and added a bayonet.

If anyone of you got the hood for 90/2.8 and 105/2.4, could you perhaps measure the dimensions for me?

Edit: This is for the 6x7, 67 and 67II. Forgot to mention that...

05-18-2011, 10:11 PM   #2
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Takumar 6x7 105mm bayonet mount inside dimensions:

Length: 3.81 = 96.7mm
Width: 3.26 = 82.8mm
Height: 1.94 = 49.3mm (table top height)

Takumar 6x7 90/105mm screw mount inside dimensions:

Length: same
Width: same
Height: 1.74 = 44.2mm
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05-18-2011, 10:45 PM   #3
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Alright, the hood for 135/4 and 150/2.8 is...

Length: 98 mm
Width: 82 mm
Height: 60 mm

So, to be sure there's no vignetting I'll remove ~15 mm, since I intend to use it both on the 90 and the 105.

Thanks for the help!
05-19-2011, 12:36 PM   #4
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You can check for vignetting by observing through the corner of the film gate with the shutter open. If you can't see the hood with the lens at infinity and the aperture wide open, then you are OK.

05-19-2011, 03:38 PM   #5
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actually, the hood that fits the 35mm lens A* 1.4/85, which also officially fits the 645 A 4/120mm, might be a good match (it is 67mm). Rare to get however.
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