Graflex.org

C. Henry · Joined: 13 Dec 2005 Posts: 360

I notice in another post that the #4 mask is said to be the correct one for a 135 mm lens on a 4 x 5 camera. My 2 1/4 x 3 1/4 Speed Graphic has a #4 mask in the optical finder. This mask cannot be correct for both a 4 x 5 camera and a 2 1/4 x 3 1/4 camera as the aspect ratio of the image is quite different, 1.25 : 1 on the 4 x 5 camera as opposed to the aprox. 1.44 : 1 on the 2 1/4 x 3 1/4 camera.
What is the correct mask for a 101 mm lens on a 2 1/4 x 3 1/4 camera?

C. Henry

RichS · Joined: 18 Oct 2001 Posts: 1468

It states that the mask would be a # 2 for a 3 15/16" through 4 1/2" lens.

As far as aspect ratio? It's also the correct mask for a 5 5/16"-6" on 3 1/4 x 4 1/4 AND correct for a 6 7/16-6 5/8" on 4x5!

I don't have a #2 so I can't say...

Graflex Sid · Joined: 10 Jan 2003 Posts: 221

#2

Just had the 1951 CROWN 2x3 out of the box to look.It's very accurate as well when lined up to the ground glass.

Happy Shooting...great camera this.

willysmb · Joined: 28 Feb 2004 Posts: 128

Perhaps the following link to my www can help you.
Best regards
Laurent
http://pagesperso-orange.fr/willysmb/images/Mask%20Speed%20Graphic.jpg

C. Henry · Joined: 13 Dec 2005 Posts: 360

Thanks, Guys.

Laurent,

May I print out a copy of the page which your link displays?
Is it available for copying by others who open it from this thread?

C. Henry

Dan Fromm · Joined: 14 May 2001 Posts: 2165

C. Henry, I'm sure Laurent will correct me if I'm mistaken. I believe that his table comes from the instruction manual for, e.g., the RH-8.

Henry · Joined: 09 May 2001 Posts: 1662

It does look very similar to the table in my RH20 instructions. I can't imagine that there would be any copyright issues with the use of this information.

45PSS · Joined: 28 Sep 2001 Posts: 4081

not to compete...but copy if you wish. (I.E.- position mouse pointer on the image and right click, select 'save picture as" left click and select file on your HD and click save)