# Which lens to get for multiple formats

**URL:** <https://forums.negativelabpro.com/t/which-lens-to-get-for-multiple-formats/10126>\
**Category:** Digital Camera Scanning\
**Created:** [April 7, 2026, 2:59pm UTC](https://forums.negativelabpro.com/t/which-lens-to-get-for-multiple-formats/10126 "2026-04-07T14:59:55Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Harry](https://avatars.discourse-cdn.com/v4/letter/h/f6c823/32.png) [@Harry](https://forums.negativelabpro.com/u/Harry)\
**Post date:** [April 10, 2026, 3:01pm UTC](https://forums.negativelabpro.com/t/which-lens-to-get-for-multiple-formats/10126/7 "2026-04-10T15:01:04Z")

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Ah, it was here’

> [@Best lens? Sigma 105mm f/2.8 DG DN Macro Art](https://forums.negativelabpro.com/t/best-lens-sigma-105mm-f-2-8-dg-dn-macro-art/8617/8):
>
> I briefly checked data published by sigma [Specifications | 105mm F2.8 DG DN MACRO | Art | Lenses | SIGMA Corporation](https://www.sigma-global.com/en/lenses/a020_105_28/specification.html)[Specifications | 70mm F2.8 DG MACRO | Art | Lenses | SIGMA Corporation](https://www.sigma-global.com/en/lenses/a018_70_28/specification.html) And found that the lenses are about the same length and weight. From a physical point of view, they are close to be equal (±) Minimum focusing distances are 11.6 and 10.2 inches respectively, about 1.5 inches or 4cm. which is not the world either. add 0.5 inches for physical length and the cameras will be 2…

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