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Forum: Pentax DSLR Discussion
01-09-2019, 03:35 PM
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The DA* 300 is larger than the phase Fresnel Nikon and likely slower to focus though good technique can help there. The older F* or FA* f4.5 will be smaller and lighter and perhaps a tad faster focusing (not withstanding quickshift) but will fringe more.
The DA 60-250 is another option to consider albeit slow focusing also. The other consideration is that at closer than 10m the 60-250 suffers from strong focus breathing: @250mm mfd it performs about like 135mm.
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