Lenstip tests the DA 20-40 F2.8-4 Limited lens!

Started 5 months ago | Discussions thread
MightyMike
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Re: Lenstip tests the DA 20-40 F2.8-4 Limited lens!
In reply to Walt_A, 5 months ago

Walt_A wrote:

Alex Sarbu wrote:

DAVID MANZE wrote:

Hi guys,

After a disappointing review of this lens on Pentax Forums in terms of their results at the 40mm end regarding edge performance, I'm pleased to see the review from my favourite site LensTip has just been published, here's the link!

http://www.lenstip.com/2078-news-Pentax_HD_DA_20-40_mm_f_2.8-4.0_ED_Limited_DC_WR_-_lens_review.html

Pretty negative. However, while the people at lenstip looks quite competent and knowledgeable, I have a hard time believing a site which claims the DA21 is sharper than the DA70.

I guess that with all these reviews, you don't know much about a lens until you use one yourself.

I haven't recently read these tests and am therefore not aware if the claim they 21 is sharper than the 70, however are you aware they were tested on different cameras? K10D and K-5 so you cannot compare the image resolution figures directly?

Correct, to get the results close, normalize the numbers based on the F16 value and then see where the resolution falls

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