DA 55-300 vs DA* 300 f4

Started Sep 16, 2013 | Discussions thread
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KentG Veteran Member • Posts: 4,315
Re: DA 55-300 vs DA* 300 f4
1

Try looking at Photozone's test instead, both real world images and MTF50 charts.

The 55-300 can only reach the Excellent level in the MTF50 test at 200mm and below. It barely gets a Very Good in the center wide open beyond that including at 300mm. And at 300mm the edges are barely even Good until you stop down at least 1-2 stops, and that was on a K10D. The DA 300/4 was tested on the tougher K-5 and it reached almost to the Excellent level across the board at F4 even and did reach that level at F5.6 in the center. The 55-300 scored a 2.5-3 star rating while the DA300 got a 3.5-4 star rating.  The only zoom I know that can reach the performance level of the DA 300/4 at 300mm is the discontinued Sigma 100-300/4 EX, a lens I have been using for years.

Kent Gittings

 KentG's gear list:KentG's gear list
Pentax K-5 II Pentax K-5 IIs Pentax K-S1 Sigma 50-150mm F2.8 EX DC APO OS HSM Sigma 18-250mm F3.5-6.3 DC Macro OS HSM +1 more
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