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100mm Macro vs Enlarging lens for film digitizing

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Manuel Iniesta View Drop Down
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Joined: 08 November 2018
Country: Argentina
Location: Buenos Aires
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Posts: 25
Post Options Post Options   Quote Manuel Iniesta Quote  Post ReplyReply Direct Link To This Post Posted: 02 January 2020 at 19:46
Gigo, your insight on the used market for the 1X-3X is very tempting, but... Argentina and Japan are the exact antipodes of each other, that means, the exact oposite of the globe (28-30 hours of flight is the minimum travel, I know it first hand). Shipping of such a big and heavy parcel must be crazy expensive. I have friends at Japan, but they don't come here very often, if at all. And yes, Akihabara is awesone, I would spend days there, is truly unique, you cand find any kind of electronic delicatessen.

Mr. Miranda F, I'm making a makeshift lightbox with my tablet. By putting a sheet of glass over the screen and a negative holder and a sheet of translucent filing sheets I would get rid of the screen's grid. If it doesn't work, I will buy a led light table.

Nandbytes, there's an app called Lightbox free that seems to work well, among others
https://play.google.com/store/apps/details?id=com.whimsicalotter.lightbox.free&hl=en
 



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Manuel Iniesta View Drop Down
Newbie
Newbie

Joined: 08 November 2018
Country: Argentina
Location: Buenos Aires
Status: Offline
Posts: 25
Post Options Post Options   Quote Manuel Iniesta Quote  Post ReplyReply Direct Link To This Post Posted: 14 January 2020 at 19:09
Well, after more than a week tinkering the rig, I have some results.

First of all, I just tried the rig with B/W film, mostly Fuji Acros.
My setup is composed of a led ceiling lamp turned upwards, a 14mm thick glass piece stacked above so it defocus the lamp's matte surface plus a 2mm glass over the negs. I frame with a metal piece of a Meopta Negative carrier.

I bought a LA-EA3 so I could use my A mount lenses, and I could compare the Sony 100mm Macro vs my enlarger lenses.

Maybe I should make more tests, but so far, it seems that the Fujinon EX 75mm f4.5 + bellows combo yields better results than the 100mm Macro + LA-EA3. It has a superior finesse for focusing, has no CAs and better resolition overall.

Now I need some kind of film transport, so the operation of changing frames etc is faster and more accurate, and repeteable.
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