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Posted by Andrew Young on November 16, 1999 at 13:24:27:
In Reply to: Re: tape on focusing screen posted by J. Ramón Palacios on November 11, 1999 at 20:42:10:
: : Anyone Please help.I had read somewhere about puting squares of tape in the four corners of the veiwing screen to able the precroping of the inlargement.Does this make sences to anyone. If so how do i do this, how big are the squares of tape. I cant find the info I had on this.
: First of all you have a good camera.
: It is a medium format 6X6 (60mm X 60mm) negative and its
focusing screen follows those proportions.
: Sometimes, some old pros used to tape the viewfinder to make
the most of the negative whn composing a picture, but with a
printing size in mind.
: For example: 5X7 (0.714/1), 6X8 (0.75/1), 8X10 (0.8X1), 11X14
(0.786/1), so they reduced the viewfinders proportions
accordingly.
: I think I used it once but I found that I had a good eye for
composition so there was no need to do it.
: And sometimes, it was even better to print the image I got
horizontally rather than vertically, after I got it.
: So ........ any way, that is what the tapeing was used for.
: You might be interested in article I recently read about the
Yashica Mat 124G.
: Have a great time
KEN:
The viewfinder on the MAT-124G is already marked with red
guide lines to assist in 8x10 enlargements. There are four
red lines on the viewfinder which enclose a rectangle of about
27mm x 34mm (the screen itself is 50mm x 50mm). The
enclosed rectangle is the same proportions as an 8x10
enlargement, but unfortunately it's only for a portrait
orientation
and wastes quite a bit of the film size.
What you can do instead of using tape on the viewfinder (I
don't like the idea of having glue from the tape stuck in
the camera) is to cut out some masks from cardboard (cereal boxes
work great) that you could lay in the viewfinder that
would give the same proportions for doing enlargments. It will
take a bit of fitting to get them to sit in snuggly without
moving around, but it would be worth the trouble. Also, you have
the choice of laying in the masks so they cover the viewfinder
in either portrait or landscape orientation.
I calculated all the mask sizes based on using the entire 50mm
width of the viewfinder to avoid wasting film, so
when cutting out the masks, it's okay to cut the 50mm side a bit
wide. What's important is the smaller dimension
which is the one that will actually mask off part of the
viewfinder.
Try cutting the outside size of the masks to about 58mm x
58mm. You will also have to out a small notch on two sides
to clear the light meter which intrudes slightly into the
viewfinder. To help in getting the masks back out of the
camera make two small holes in the mask with a needle and tie a
loop of fishing line through the holes so you have
something to grab onto.
To get the proper proportions without wasting film cut out the
internal size of the masks to the following sizes:
I did round the mask sizes off to the nearest millimeter, after
all, cardboard can't be cut that exactly!
Mask Size (millimeters) For Paper Size (Inches)
----------------------- -----------------------
33 x 50 24 x 36
35 x 50 3.5 x 5
36 x 50 5 x 7
38 x 50 30 x 40
39 x 50 7 x 9
8.5 x 11
11 x 14
40 x 50 4 x 5
8 x 10
16 x 20
24 x 30
42 x 50 10 x 12
20 x 24
NO MASK 5 x 5
10 x 10
20 x 20
Hope This helps you out. Take care.
- Andy Young
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