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johnriley

Joined: 19th March 2002

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johnriley
The dot was indeed originally white and became yellow with the arrival of the A series lenses.

Comment by johnriley posted on Pentax-A SMC 50mm 1:1.4 - a yellow bulge? at 18/01/2009 - 18:32

johnriley
You can't hotlink from PU and EPZ, not even into the forum it seems.

Comment by johnriley posted on Fortnightly competition #7: Scales at 18/01/2009 - 17:24

johnriley
Perhaps you've discovered a new way to use an old feature!

Comment by johnriley posted on Pentax-A SMC 50mm 1:1.4 - a yellow bulge? at 18/01/2009 - 17:21

johnriley
It was described as a means to aid lens changing by touch without looking for the red dot.

I've used M and A series lenses of all types since they were released and nobody has ever mooted the idea that the index dot was there to give a better grip.

I find it difficult to see how it could be so, I certainly have never changed lenses using it in that way.

Comment by johnriley posted on Pentax-A SMC 50mm 1:1.4 - a yellow bulge? at 18/01/2009 - 16:46

johnriley
If you go to the Your Photos forum the top message is "How to post photos" - please read that first and then ask if anything is unclear.

We.ll look forward to seeing some images soon!

Comment by johnriley posted on Message for Roscoe at 18/01/2009 - 10:22

johnriley
I do have all sorts of contacts with collectors, so if there's something specific anyone is looking for drop me an e-mail or message via my website or via a PM here.

www.johnrileyphotography.co.uk

Comment by johnriley posted on Classic MF camera shops online? at 18/01/2009 - 00:44

johnriley
The simple way to protect camera and lens is to let the lens peep out of a hole in a plastic bag. Camera and your hands are inside the bag. The bag is kept in place on the lens by trapping it around a filter.

Another way is for an assistant to hold an umbrella over you and the camera.

Comment by johnriley posted on Weather sealed lenses at 17/01/2009 - 23:35

johnriley
A copy of Amateur Photographer will give you all sorts of options.

Comment by johnriley posted on Classic MF camera shops online? at 17/01/2009 - 22:10

johnriley
This is an index dot to assist in locating the lens when placing it into the lens mount on the camera. When the light is dim you don't have to struggle to see the red dot on the lens bayonet.

Comment by johnriley posted on Pentax-A SMC 50mm 1:1.4 - a yellow bulge? at 17/01/2009 - 20:01

johnriley
The message will move to the sent folder when it has been read.

Comment by johnriley posted on Message for Roscoe at 17/01/2009 - 16:33

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