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+--- Thread: Canom RF 50mm f/1.8 STM ... MTF (/showthread.php?tid=4931)
Canom RF 50mm f/1.8 STM ... MTF - Klaus - 11-04-2020
![[Image: spec-mtf.png]](https://cweb.canon.jp/eos/rf/lineup/rf50-f18/image/spec/spec-mtf.png)
vs the EF 50mm f/1.8 STM
![[Image: mtf.png]](https://cweb.canon.jp/ef/lineup/standard/ef50-f18stm/image/spec/mtf.png)
RE: Canom RF 50mm f/1.8 STM ... MTF - thxbb12 - 11-04-2020
These MTFs look pretty bad...
What's the spacial frequency of these MTFs? 15 lines/mm, 45?
RE: Canom RF 50mm f/1.8 STM ... MTF - Brightcolours - 11-04-2020
They are a clear improvement over the EF 50mm f1.8 STM, which does not test badly.
10 (contrast) and 30 (resolution).