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Subject: Question on RMM and Spicer Mounts
Date: 2013-05-12 08:20:36
From: coronet3d

I've been using the 3D World plastic mounts for years but recently I used a few of the RMM pano mounts and I've recently gotten into Stereo Realist 35mm (since the cameras are so darn cheap and compact) using Spicer mounts. I'm a little befuddled why one side of the mount has a slightly larger pair of openings than the other. What's the use of that?
Thanks,
Steve

Subject: Re: Question on RMM and Spicer Mounts
Date: 2013-05-12 08:37:18
From: Brian Reynolds

coronet3d wrote:

>
> I've been using the 3D World plastic mounts for years but recently I
> used a few of the RMM pano mounts and I've recently gotten into
> Stereo Realist 35mm (since the cameras are so darn cheap and
> compact) using Spicer mounts. I'm a little befuddled why one side
> of the mount has a slightly larger pair of openings than the other.
> What's the use of that?

I use the difference to tell front from back. The front of the mount
has the (slightly) smaller openings with the rounded corners.

--
Brian Reynolds | "It's just like flying a spaceship.
reynolds@panix.com | You push some buttons and see
http://www.panix.com/~reynolds/ | what happens." -- Zapp Brannigan
NAR# 54438 |

Subject: Re: Question on RMM and Spicer Mounts
Date: 2013-05-12 10:33:28
From: David Kesner

Hello Steve,

I'm a little befuddled why one side of the mount has a slightly larger pair of openings than the other. What's the use of that?

The reason is to provide a "crisp" window edge. If they were the same exact size it would be pretty much impossible to line them both up perfectly when they were folded over. If that happened you would get ghosting in the areas where the back mount protruded into the viewing area of the front mount opening. Does that make sense?

This always bothered me on the old heat seal mounts as many people would mount with the larger open on the viewing side because of the "alignment" tabs. This always caused a very distracting "halo" around the whole image.

PS - do you know the trick of making a mounting jig for the Spicer cardboard mounts out of an RBT mount? I did an instructional video that Dennis Green still sells showing this technique. http://home.comcast.net/~workshops/workshops.htm#8

Hope that helps,

David W. Kesner

Boise, Idaho, USA