# Can't Establish a Baseline for Conversion HELP

**URL:** <https://forums.negativelabpro.com/t/cant-establish-a-baseline-for-conversion-help/9740>\
**Category:** Image Editing Help\
**Created:** [September 27, 2025, 6:15pm UTC](https://forums.negativelabpro.com/t/cant-establish-a-baseline-for-conversion-help/9740 "2025-09-27T18:15:42Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Digitizer](https://avatars.discourse-cdn.com/v4/letter/d/57b2e6/32.png) [@Digitizer](https://forums.negativelabpro.com/u/Digitizer)\
**Post date:** [September 28, 2025, 1:13pm UTC](https://forums.negativelabpro.com/t/cant-establish-a-baseline-for-conversion-help/9740/2 "2025-09-28T13:13:04Z")

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Some of your questions might find an answer here:

> [@Explanation of batch Match, Sync, and Roll Analysis](https://forums.negativelabpro.com/t/explanation-of-batch-match-sync-and-roll-analysis/9725/2):
>
> Welcome to the forum @SnappyMilt I never use match and sync, instead I adjust an image and make that a preset, then convert the image and all related images. Seems tedious, but works like a charm. Roll Analysis: Why: Sometimes, an image has not much (variety) of colours and tones and NLP provides conversions that are not what we expect. Colour balance, tonality and more can suffer under such circumstances. Idea: Other images on the same roll might have a different or wider variation of colou…

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