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Viewfinder Masks

 
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hporter



Joined: 16 Jul 2005
Posts: 23
Location: Houston, Texas

PostPosted: Sat Jul 30, 2005 11:30 pm    Post subject: Reply with quote

Thanks to the help I received in this forum - I purchased a 6x6 roll film back for my RB Series D 4x5! And I should receive a 6x9 model this week.

I was curious if anyone has made a mask for the viewing screen to work with the roll film backs? Was there anything ever available from the factory for this purpose?

I was thinking some craft cardboard dropped on the viewing glass cut to the right proportions might work well - and allow me to change easily between the two sizes of film backs - but if there is a better/easier way to do this I would love to learn about it.

Thanks again for the help,

Harold
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disemjg



Joined: 10 Jan 2002
Posts: 469
Location: Washington, DC

PostPosted: Sat Jul 30, 2005 11:38 pm    Post subject: Reply with quote

I recently got a 3X4 Super D and there was a cardstock overlay on the groundglass to show the format for a roll film back. I noted that it was printed with the outlines, so it appears that the factory provided the masks with the roll backs. The only disadvantage would be that for a 6X7 or 6X9 back, there would not be an easy way to show the correct orientation of the frame if you rotated the camera back.
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hporter



Joined: 16 Jul 2005
Posts: 23
Location: Houston, Texas

PostPosted: Sun Jul 31, 2005 1:13 pm    Post subject: Reply with quote

Thank you for sharing the information about the mask that you have for your Graflex.

You bring up a very good point about the 6x9 and 6x7 format mask rotation. I have a couple old Kodak box cameras with the little silver viewfinder cube on the bed. The cube has a mask over it in the shape of a cross to account for the landscape to portrait transition. I suppose a mask could be cut like that for the same reason?
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disemjg



Joined: 10 Jan 2002
Posts: 469
Location: Washington, DC

PostPosted: Sun Jul 31, 2005 2:31 pm    Post subject: Reply with quote

Sure, the mask could be cut with a double pattern, just like the GG in the camera has the corners paineted to show both vertical and horizontal formats. Seems like the thing to do, so maybe the mask I saw wasn't factory after all. I saved it and will dig it out to see how it was made, since I have not seen it for a while and my memory of how it was made may be faulty.

[ This Message was edited by: disemjg on 2005-07-31 07:38 ]
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disemjg



Joined: 10 Jan 2002
Posts: 469
Location: Washington, DC

PostPosted: Wed Aug 03, 2005 12:07 am    Post subject: Reply with quote

I dug out the mask I have; it is cut both ways so the GG can keep up with the orientation of the back. The mask is printed in white outlines on a dark cardstock base, and sure looks like something the factory would give you with a RF back when you bought it.
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hporter



Joined: 16 Jul 2005
Posts: 23
Location: Houston, Texas

PostPosted: Wed Aug 03, 2005 11:23 am    Post subject: Reply with quote

Do you think it would be possible to take a digital photo of the mask?

I am just curious what the factory original looked like.

I ran a few rolls of film through the 6x6 and 6x9 backs this weekend. Guesstimating the 6x9 framing is much easier than the 6x6!

The 6x6 back works perfectly - the 6x9 has frame spacing troubles. I need to do a little research to see if it is possible to adjust this.

Thanks again for helping me with this.
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45PSS



Joined: 28 Sep 2001
Posts: 3212
Location: Mid Peninsula, Ca.

PostPosted: Wed Aug 03, 2005 7:32 pm    Post subject: Reply with quote

Frame spacing unequal/frames overlap in Graphic roll film holders=CLA the gear train.
IF you do not have the correct manual then one can get by with a different Graphic roll film manual as the roll holders are basically the same except for the gears.

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The best camera ever made is the one that YOU enjoy using and produces the image quality that satifies YOU.
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hporter



Joined: 16 Jul 2005
Posts: 23
Location: Houston, Texas

PostPosted: Mon Sep 05, 2005 2:26 am    Post subject: Reply with quote

Well, I tore my roll film back apart, armed with an exploded drawing from my Romney repair manual. I cleaned all of the parts and put a little lubricant from the tip of a toothpick on a couple of the gears and re-assembled (several times....) the holder.

Works like new! Thanks for the advice.

I also managed to cut a 6x6 and a 6x9 mask for the viewfinder on my RB series D. I used heavy craft paper - and although it looks a little rough - it works surprisingly well.

I am glad that I managed to find the roll film backs. It is quite fun using roll film on the camera. It makes experimenting with my Verito soft focus lens much easier.
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45PSS



Joined: 28 Sep 2001
Posts: 3212
Location: Mid Peninsula, Ca.

PostPosted: Tue Sep 06, 2005 1:27 am    Post subject: Reply with quote

congrats on the success(es)!

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