My head is going to explode right after my brain melts. I also don't know whether to post this here, in the film forum, or in the equipment forum because it relates to technique, gear, and film. I shall defer to admin and ask forgiveness.
I've read
a lot about digitizing 35mm slides. Much of the info is a bit dated. Some suggest a dedicated 35mm scanner. There are many of those at myriad price points but the one that seem to be universally lauded and considered the only suitable solution is too expensive for me. It is also a discontinued product with no support.
There are mixed reviews about flatbeds. The
general consensus is they are unsuitable for 35mm and only adequate for medium format. The V700/750 are indicated to be the standouts here but it would be the V600 that's in my price range. None of them, however, have received glowing reviews for 35mm and there are some that say any flatbed will turn grain into “porridge” even, I am given to understand, with wet scans. The focusing issue also troubles me. I don't want to have to buy and return a bunch of scanners until I find one with accurate focus nor do I want to endlessly experiment with shims. I don't mind doing the work required but I do mind when poor design leads to additional, unnecessary, labor.
That brings me to camera duplication and “camera scanning”. Both would require reverse mounting a lens I already have, purchasing another macro lens (my current 28mm is too wide), or purchasing an enlarger lens. Choices already in my kit for reverse mounting are 50mm, 100mm, 135mm, 18-55mm, and 55-300mm. If I do need to buy another lens then purchasing an enlarger lens would be more economical (although, a used 6-element Schneider Componon 2.8 still can't be considered “cheap”) and better suited for the task when compared to purchasing and using another macro camera lens. If I choose this route (which I am inclined to do) I will have to figure into the budget either a copy stand or bellows.
A suitable, sturdy, copy stand is inexpensive and may or may not work with one of my zoom lenses mounted in reverse. A compact, color corrected, lightbox to set on the base is required as is, it seems to me, some sort of guide rail with x/y adjustment for actually scanning the slide with the camera. Even with straight up duplication there seems the need for an adjustable guide to accurately insure proper focal plane alignment to the slide/lightbox on the base. A copy stand setup is also large enough to require a bit of set up and break down, in addition to storage space when not in use; not a deal breaker.
Used bellows prices are all over the map on Ebay as are their conditions. Quite a few appear to be almost new, others, not so much and detecting a light leak in a bellows requires real inspection. Most don't have all the attachments such as the slide holder attachment and rulers; finding a suitable slide holder attachment for a bellows bought separately could be a problem. Then there is the elephant that comes into the room with the bellows, the 1.5 crop factor. The problem here seems to be the bellows not extending far enough to compensate for the 1.5 crop factor, they are all designed for 35mm film cameras. Perhaps adding an extension tube can fix this?
You've now reached the point where I admit being a “bear of very little brain”. I suck at math. There, I said it. Doing the calculations to determine an appropriate lens focal length and extention tube size for using a bellows with an enlarger lens or a copy stand with a reversed prime or zoom is beyond me.
As you can see, I've done a bit of research. Clearly, however, I am still unsure of the best way to accomplish my goal of copying 35mm slides.
EDIT FOR ADMIN: Upon re-reading this it seems there would be more folks in the film forum section who would have experience and insight into this matter. If you agree, could I trouble you to move it? I would be much obliged and sorry for the inconvenience.
Last edited by MD Optofonik; 04-14-2014 at 12:35 PM.