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please help me identify this IIIF, RD or BD?
Old 05-06-2012   #1
guoshuo
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please help me identify this IIIF, RD or BD?

it is red dial literally, according to the picture attached. However the serial no. begin with 55 and the shutter speed likely belongs to a BD type, for instance a 1/30. Can you help me identify it? I care since I've heard a RD's shutter sound is lighter. Thanks in advance.

$(KGrHqJ,!h!E9oZvvGFrBPonvBGFs!~~60_57 by GuoShuo, on Flickr
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Old 05-06-2012   #2
FrankS
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May have been a factory upgrade/conversion.

Just to be sure: Is it the numbers for the flash delay, on the top deck around the shutter speed dial, that are red?

Check this link, point #8. http://www.peeble.com/screwmount.htm
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Old 05-06-2012   #3
VictorM.
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The fast speeds on a black dial start at 1/30, and 1/25 on a red dial.
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Old 05-06-2012   #4
L David Tomei
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From the shutter speed of 1/30 and the 55xxxx number, it is almost certainly a BD from 1951. I'm not sure that the sound of the RD light weight shutter is much softer than a BD shutter in good condition, though.
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Old 05-06-2012   #5
xayraa33
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It is a BD IIIf, shutter sounds vary from camera to camera.

I have a quiet BD IIIf and a loud RD IIIf even after CLA.

Just because the RD IIIf uses ball-bearings in the shutter does not mean every example is near silent in operation.
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Old 05-06-2012   #6
guoshuo
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Thank you guys, I got it. By the way xayraa33, where is the ball-bearing located? and all leica-m has the ball-bearings? Thanks.
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Old 05-06-2012   #7
xayraa33
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Quote:
Originally Posted by guoshuo View Post
Thank you guys, I got it. By the way xayraa33, where is the ball-bearing located? and all leica-m has the ball-bearings? Thanks.
The ball bearings are at the main shutter roller in the lower part.
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