Filing a negative carrier

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Bill Burk

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One thing always leads to another. Realizing it’s good to have an enlarger with crank elevation, the D2 came down from the rafters.

You wouldn’t know it because I haven’t brought it up, but the negative carrier I had been using was warped and the mask was just black lantern slide tape. The one I used before that was just mat board cutout by hand.

Knowing the whole reason for getting the D2 down was to support accurate focusing, it was time to start using a good negative carrier. Looking on eBay, they’re all about forty dollars. Tempted by the unmounted slide carrier with a grayscale slot.

But just in case, I looked in my box of Omega parts. Amazingly (or not when you think about it), there was a very nice 35mm carrier in the collection.

I must have chickened out the first time around or thought it would ruin its value. But there was a carrier as good as any on the market.

I only do this once in a while… so figured a video would be worthwhile. Here, for your enjoyment, you can watch me file a negative carrier.

After finishing the video I started counting strokes by the hundred. I did go a little faster but probably took a thousand more strokes. On the long side I could use the whole file, which went faster. I dressed the corners with a triangular pin file. The shiny cuts are painted now with matt black model paint. I was too careful, if I were to do it again I would open it wider on the one inch side (where progress was slow I didn’t cut far enough). But done is done and this’ll be my carrier starting 21-JUL-2021

 

Vaughn

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Great. I have cut (coping saw) and filed the same carriers to expose strips of 2 or 3 35mm negatives. I have also filed for full-frame 6cmx6cm negs.

All in a days work.
 

Donald Qualls

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I used a hacksaw (assembled blade to frame after passing through the opening) to convert a 6x7 carrier to 6x9 some years ago. Now I'm looking for a 6x7 again -- but I might just 3D print one. I've got the files collected on Thingiverse, and it't not a complex part to design from scratch, come to that...
 
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Bill Burk

Bill Burk

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I used a hacksaw (assembled blade to frame after passing through the opening) to convert a 6x7 carrier to 6x9 some years ago. Now I'm looking for a 6x7 again -- but I might just 3D print one. I've got the files collected on Thingiverse, and it't not a complex part to design from scratch, come to that...

For Omega D? I probably have one and I don’t shoot 6x7.

I found the 6x9 negatives from different cameras vary. I have a Bessa and Ikonta and the carrier is cut for the widest. I get about a quarter inch (enlarged) extra black from one of them.
 

Donald Qualls

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For Omega D? I probably have one and I don’t shoot 6x7.

Actually, I think I have one now, bought on eBay since I got my darkroom built. I know I got some, pretty sure one was 6x7.
 

cjbecker

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I’ve got a Dii that just went into storage because of the inconvenience of the lack of crank elevation. It makes a big difference having the crank.
 

gone

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I had to file my negative carrier because the top plate was smaller than the bottom part and it was cropping my prints. Lentar may have done this as a cheap and easy way to assure sharpness on the prints w/ this low budget enlarger? It took forever to file the top part to match the bottom. Guess it's time to buy a file w/ coarser teeth. I then had to paint the carrier, and polish it to make sure it wouldn't scratch the negatives.

I'd be happier w/ a mat board neg carrier because that would assure you'd get no scratches on your negatives, and may end up making one. The head on this enlarger is no worse than any other when it comes to raising it and lowering it w/o a crank, meaning it's sometimes a PITA.
 

faberryman

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I'd be happier w/ a mat board neg carrier because that would assure you'd get no scratches on your negatives, and may end up making one. The head on this enlarger is no worse than any other when it comes to raising it and lowering it w/o a crank, meaning it's sometimes a PITA.

If you make a mat board negative carrier, make sure you can align the cutout over the center of the enlarging lens. The image circle of the enlarging lens is only so big, and is not as sharp at the outer edges.
 

Donald Qualls

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I’ve got a Dii that just went into storage because of the inconvenience of the lack of crank elevation. It makes a big difference having the crank.

It's really not difficult to make a crank to fit the knob. Drill two holes in the knob, two more in a piece of steel strap, then a third one in the strap outside the knob diameter. Bolt the strap to the knob, fasten a knob in the third hole, and there you are.
 

MattKing

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Your Youtube views are up a bit :smile:.
I much prefer your "wardrobe" choice to Greg Davis':whistling:.
 

Donald Qualls

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I much prefer your "wardrobe" choice to Greg Davis':whistling:.

Aw, that's just the teaser. He wears actual clothes in the video proper (at least all the ones I've seen)... :wink:
 
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Bill Burk

Bill Burk

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It's really not difficult to make a crank to fit the knob. Drill two holes in the knob, two more in a piece of steel strap, then a third one in the strap outside the knob diameter. Bolt the strap to the knob, fasten a knob in the third hole, and there you are.
Oh the DII just has steel rails and a brake. No gear to elevate up or down, its countersprings balance it nicely but you just lift it up and down then tighten the brake.
 

Donald Qualls

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Huh. I thought I had a D2 -- oh, wait, D2 <> DII. Okay, never mind...
 

cjbecker

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Oh the DII just has steel rails and a brake. No gear to elevate up or down, its countersprings balance it nicely but you just lift it up and down then tighten the brake.
Yep, I like the enlarger besides the one issue.
 

Rick A

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I have a filed out 35mm negative carrier for my D-5. I've had it for years, and haven't used it for nearly as many years.
 

ic-racer

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After I discovered the benefits of glass carriers, I stopped filing and started cutting and beveling glass....
D5500 Glass.JPG

Dremel AN Glass.JPG
 

Don_ih

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Use a router to cut out aluminum. Then cut the corners with a hacksaw. Then smooth it out with a file. I have 35mm negative carriers I should turn into 3x4 and 6x9....
 

ic-racer

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Nice! How do you avoid Newton’s rings?
Good question. I was gifted some original Durst 5x7 Anti Newton glass (the best; per Drew..) and cut it down to for my smaller negative carriers that originally had smooth glass on both sides. That is what is going on in the pictures.
Philips Carrier Glass 1.jpg
 

Vaughn

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