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Should I return/replace my lens? EF-S 55-250mm sharpness/focus

Started Jun 7, 2018 | Questions thread
Shubhanyu Jain
Shubhanyu Jain Regular Member • Posts: 129
Re: Autofocus performance?

I am facing similar issues with this lens on my 80D, manual settings. Infinity shots such as the moon appear great. Bird shots, cat shots, human headshots, I am always left wanting. Perhaps the lens needs MFA, but I was not particularly happy with 24mm 2.8 STM too. In fact, I am not happy with the results of any of my EF-S lenses except the 10-18 IS STM. Photos taken with that lens have the sharpness and focus precision I like.

I got a 50mm 1.8 STM and I am yet to get a shot that I do not love. Staggering difference from the EF-S lenses. My skill level is where it is at, it does not change between lenses, so what gives! The details captured and the sharpness with the 50mm blew me off the first time I used it. I had not had that feeling ever with any of my other lenses.

There has got to be something I am doing wrong. The only difference between 50mm and other lenses is that I have used the 50mm wide open, what I mean to say is that I have had huge amounts of light in, something that others do not offer. So, the stop difference of aperture/ lack of light might be causing a lack of focus/ sharpness/ details in the other lenses, perhaps.

 Shubhanyu Jain's gear list:Shubhanyu Jain's gear list
Canon EOS 80D Canon EF-S 55-250mm f/4-5.6 IS STM Canon EF-S 10-18mm F4.5–5.6 IS STM Canon EF 50mm F1.8 STM Canon EF-S 18-135mm F3.5-5.6 IS USM +1 more
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