When I first started researching photography years ago I came across a few images that were a round image on the negative vs square . Over the years I've learned they were taken with 8x10 cameras. So I started doing light research into how it was done, but I've ran into a roadblock. Here's what I'm hoping to do. I have a 4x5 Calumet rail camera that takes 4x4 inch lens boards. I'm hoping to get a lens small enough that the image on the negative is round. I was wondering if I bought an old pocket film camera that takes 120 or 620 film and then buy a lens board and cut a hole for the smaller lens like an old Anastigmat Volgtar, would that lens work for what I'm trying to do? If not what do you recommend? Or what's another method to mimic a full image circle on the negative so the sweet spot is in the center of the image then it's soft around the edge and causes a circle image on the negative? Also what potential issues would I experience when it comes to the camera movements?
Here are a few examples of what I mean. Thought they are not exactly what I'm aiming for. Just visual guidelines.
http://media2.onsugar.com/files/2012...er.preview.jpg
Imagine this with black around the image
http://3.bp.blogspot.com/-BjOAQyimGu...ingCircle1.jpg
Thanks for your time and I appreciate the help.
Sincerely,
JRC
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