EFM 18-150 EF-S 18-135 Pic?

Started Sep 8, 2019 | Discussions thread
KRRacing Junior Member • Posts: 45
Re: EFM 18-150 EF-S 18-135 Pic?

I have compared the 18-135 IS USM with adapter on M50 with 18-150. At 18mm, they are virtually identical in sharpness. At 35mm, the 18-135 is slightly sharper. At 50mm, 100mm and the longest end the 18-135 is significantly sharper and the difference gets bigger as the focal length increases. The 18-150 improves a lot when stopped down to f/8 but still no match to the 18-135. Maybe this is also partly due to the copy variation but I am confident that a good copy of 18-135 IS USM will beat a good copy of 18-150. The problems with the 18-135 USM version are the size and weight which is double the 18-150.

 KRRacing's gear list:KRRacing's gear list
Sigma 24-105mm F4 DG OS HSM Canon 6D Mark II Canon EOS M50 Canon EF 100mm F2.8L Macro IS USM Canon Extender EF 1.4x II +7 more
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