DA 55-300 vs DA* 300 f4

Started Sep 16, 2013 | Discussions thread
jamesm007 Veteran Member • Posts: 5,656
Re: DA 55-300 vs DA* 300 f4

Photozones numbers! They come close in the middle; scaling from the K10D to K5 test cameras. DXO also shows the same. The center/middlish area is great the deeper corners fade, but are still OK.

To be soft at 300mm you have to have a not normal copy. A copy that is within normal is pretty good. After all PopPhoto, Photozine, Photozone, DXO all show the same basic trait at 300mm f/5.8, they really do!

 jamesm007's gear list:jamesm007's gear list
Pentax K20D Pentax K-5 Sigma 10-20mm F4-5.6 EX DC HSM Sigma 17-70mm F2.8-4 DC Macro OS HSM Pentax smc DA 18-55mm F3.5-5.6 AL WR +12 more
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