Aug 14

Heart & Soul Nebula 50mm

I wanted to find out the best f-value for the Canon EF 50mm f/1.4 and how far I can go with the exposure time.
My first 2 images taken with this lens at f/2 showed much coma/distortion especially in the corners. Also the CAs were very strong.

So, the CA’s are still visible until f/4.5. At f/5.0 they’re almost gone. Stopped down to f/5.6, and everything is perfect. No distortion, no CA’s and no vignetting.

360 seconds, on every sub pin point stars 🙂 With 50mm I could go much higher… next time 🙂

Details

Herz u. Seelen Nebel 2016-08-14 50mm f5.6 ISO1600 108min-v5

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