Direct comparison Oly 12-40mmF2.8 with Oly 12-50mmF3.5-6.3?

Started 9 months ago | Discussions thread
Paul De Bra
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Cannot compare with the 12mm prime but with the 20...
In reply to Neurad1, 9 months ago

I did a head to head comparison with my supersharp 20mm f/1.7 lens. In a side-by-side comparison with all sharpening turned off I can see a slight difference (the 20mm being sharper) but for all practical purposes the 12-40 is the lens to use unless I really need faster than f/2.8.

I would agree with the other poster suggesting that you start by doing the "upside down test" to see whether the lens is equally sharp (or soft) in all corners, so as to rule out a decentering problem.

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Slowly learning to use the Olympus OM-D E-M5.
Public pictures at http://debra.zenfolio.com/.

 Paul De Bra's gear list:Paul De Bra's gear list
Fujifilm FinePix F200EXR Olympus OM-D E-M5 Olympus M.Zuiko Digital ED 9-18mm 1:4.0-5.6 Panasonic Lumix G 20mm F1.7 ASPH Olympus M.Zuiko Digital ED 75-300mm 1:4.8-6.7 +4 more
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