APS-C vs FF cameras – What's the impact on Helios swirls of crop vs full frame sensors?

How to use the Helios 44-2 aperture rings? Here's a quick tutorial

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Full Frame vs APS-C (Helpful Camera Pros and Cons)

Can't Decide Which Helios 44 To Buy?

Transforming a Helios 44-2 into a Macro Lens

Went back to the the past with this Vintage lens

Full Frame vs APS-C: The Ultimate Camera Smackdown

Helios 44M-4: review and comparison with Helios 44-2

Full Frame vs APS-C – Image Quality is Key! — The School of Photography - Courses, Tutorials & Books

Full Frame vs Crop Sensor: Differences + Pros & Cons

How to shoot with the Helios 44-2

Sony a6000 Helios 44-2 test and review - part 1