I agree. That’s why, if I had multiple lenses, I would print an adapter for each one. However, if you just want to test a different lens on the fly, it shouldn't be an issue. If I may give you a tip, I would suggest printing it in black to minimize internal reflections (flare), which can degrade image contrast and sharpness.

marculus

Yes, I agree with you. It produces a distinct red vignette.

However, it also produces a distinct black vignette with black. As I mentioned, I only used it for testing with my lens, since I ordered the matching metal adapter from China and the delivery time is quite long. Even the Chinese adapter has a strong vignette. I think that's due to the overall length of the adapter. I'll now test it with a super slim adapter.

user_3431602110

habe nur den adapter gedruckt. 
gedruckt mit geetech petg in rot. wirkt stabil. allerdings ist der adapter nicht für permenante Wechsel gedacht. eher zum einmaligen montieren und dann rauf lassen (objektiv auf adapter). es ist halt nur ein kuststoff gewinde. 

aber wie in meinem fall, nur zum testen perfekt.

I only printed the adapter.
Printed with Geetech PETG in red. Seems stable. However, the adapter is not intended for permanent changes. Rather for mounting once and then leaving it on (lens on adapter). It's just a plastic thread after all.

But in my case, perfect just for testing

Chechu_2727034876

0.16mm layer, 4 walls, 35% infill

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Adattatore per macchina fotografica Sony con attacco E-mount (NEX) per obbiettivi vintage con attacco M42consiglio la stampa con layer da 0.16mm per una filettatura migliore.Prestare attenzione la prima volta che si avvita l&#39;obbiettivo, risulterà leggermente stretto, dalla seconda volta in poi la filettatura sarà perfetta e non avrete problemi a sfilare e avvitare i vostri obbiettiviÈ presente anche il tappo con filettatura M42Consiglio la stampa in PETG o superiori per garantire maggior durabilità&nbsp;Fatemi sapere che ne pensateA disposizione per fare eventuali miglioramenti

Sony camera adapter with E-mount (NEX) for vintage M42 mount lensesI recommend printing with 0.16mm layers for better threadingPay attention the first time you screw in the lens, it will be slightly tight, from the second time onwards the threading will be perfect and you will have no problems removing and screwing in your lensesThe M42 threaded cap is also includedI recommend printing in PETG or higher to ensure greater durability&nbsp;Let me know what you thinkAvailable for any improvements

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M42 to Sony E (NEX) adapter and M42 cap

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