M42-NAi Conundrum for a slide duplicator

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VictorDB Regular Member • Posts: 391
M42-NAi Conundrum for a slide duplicator

Although this is an adapted lens problem, the item itself is fairly specialist, a 1960s AICO slide duplicator, which unlike a Nikon ES-1 doesn't require a spacing ring and micro-nikkor lens to operate.

Nikon D750 with an AICO slide copier with an M42 rear mount on M42-NAi adapter (with infinity correction lens). Panasonic G5X with a M42-M43 adapter. T2 to NAi adapter.

We recently inherited my from my wife's aunt, the family photo collection with books and albums with photos dating from the 19th century and slides dating from 1937 to the early 70s. In addition to my own slides dating from around 1980 to 2008, it was time to get something rather than my trusty Epson perfection to copy slides. I had recently used an awkward table top set up to copy some family 127 negatives and my own120 slides using my D750 with a micro Nikkor and decided it would be quicker for all the 35mm slides to be copied in camera rather than scanned.

So foolishly, rather than going out and buying an Nikon ES-2 and PK-13 ring for my 55mm micro, I bought this AICO device (for £20) which could likely be older than me. The conundrum is, I can mount it directly to the D750 using a separate M42-NAi adapter which has an infinity  correction lens or but ideally I should be able to replace the duplicator's adapter with a Nikon mount adapter. Except that the duplicators male flange with it's adapter off  is a much smaller diameter than my new T2's  inner diameter.  I'm not familar with the T2 system so I might be doing something wrong.  I imagined that I needed to remove the duplicator's M42 adapter and replace it with the T2 ring, instead I can screw the adapter to the T-ring and mount it directly on the DSLR.  Does anyone have much knowledge of these types of duplicators and  how to properly attach them to Nikon DSLRs?

 VictorDB's gear list:VictorDB's gear list
Panasonic Lumix DMC-GF5 Nikon D750 Nikon AF-S Nikkor 50mm F1.4G Nikon AF Nikkor 85mm f/1.8D Panasonic Lumix G X Vario PZ 14-42mm F3.5-5.6 ASPH OIS
Nikon D750 Panasonic Lumix DMC-GF5
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