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Astrophotography with EF-M Prime lenses (PIC)

Started May 8, 2019 | Discussions thread
Marco Nero
OP Marco Nero Veteran Member • Posts: 7,582
To: biggles266 Re: EOS M Vs M6 with 11-22mm lens...
2

biggles266 wrote:

Marco Nero wrote:

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The results of this lens were far better on the EOS M6 compared to the older EOS M (Mk1).
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I have an original M and the 11-22mm, and have not been very impressed at all with the image quality out of the lens despite all the praise for it by users and testing sites. I have been wondering if a newer M would improve it. How much better are your results on the M6 rather than the M, and do you know why there would be a difference?

This lens on the EOS M should produce a wide view at 11mm with crisp details and quite a lot of contrast with strong shadow areas.  It's not really ideal in dimly lit scenarios due to the narrow aperture.  So I usually swap it out with the 22mm or 32mm lens for indoor shots at night.  But for daylight (or even long exposures of between 1 to 30 seconds on a tripod) it ought to produce appealing results in terms of landscapes and city-scapes at night.  There are people who use this as a walkabout lens and it does offer something many other lenses can't.  But if you like the shallow DOF that other lenses often offer, then this isn't going to do it for you.  Your images ought to be reasonable on the original EOSM.  I personally enjoyed using with with landscapes and in the city.  It tends to distort people when wide open (which is one of the appeals of a super-wide lens). I think that the M6 has more pixels on the sensor plus the advantage of DPAF (26MP compared to 19MP).  The image processor in the camera might be more capable as well since Digic 7 is likely to be more advanced (with newer processing algorithms) than Digic 5. Denser sensors with more photosites means less obvious optical aberrations and less noticeable antialiasing. 
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Something I noticed with using the 11-22mm lens is that I would get some bold magenta hues and soft, degraded images with long exposures of the night sky.  This would occur consistently on the right hand side of the image. But there was less destruction and more even color hues on the M6 ...even with higher ISOs.

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Regards,
Marco Nero.

 Marco Nero's gear list:Marco Nero's gear list
Canon EOS M6 Canon EOS Ra Canon EOS R6 Canon EF-M 32mm F1.4 Canon RF 85mm F1.2L USM +20 more
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