# How to use Match function?

**URL:** <https://forums.negativelabpro.com/t/how-to-use-match-function/10035>\
**Category:** Guides and How-Tos\
**Created:** [February 18, 2026, 2:31am UTC](https://forums.negativelabpro.com/t/how-to-use-match-function/10035 "2026-02-18T02:31:29Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![Harry](https://avatars.discourse-cdn.com/v4/letter/h/f6c823/32.png) [@Harry](https://forums.negativelabpro.com/u/Harry)\
**Post date:** [February 18, 2026, 12:42pm UTC](https://forums.negativelabpro.com/t/how-to-use-match-function/10035/3 "2026-02-18T12:42:05Z")

</div>

…..and then I had a bit of a discussion with @Digitizer which seemed to reach the conclusion that ‘Match’ doesn’t quite do what it says on the tin.

> [@Inconsistent with Negative Conversion and Roll Analysis On](https://forums.negativelabpro.com/t/inconsistent-with-negative-conversion-and-roll-analysis-on/9738/3):
>
> I can understand that of course but isn’t Roll Analysis there so that you can choose the conversion that works best for you and then apply it to similar frames, and by that I mean similar in terms of subject matter and lighting on the day you made the exposures on to film? These frames seem to be just that and if the original exposures varied by half a stop or so I can’t see why that would matter, in the darkroom it wouldn’t make a jot of difference to the filtration needed to print them so tha…

However since your stereo pairs are absolutely identical of course I think it would work in your case.

---

_[View the full topic](https://forums.negativelabpro.com/t/how-to-use-match-function/10035)._