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Forum: Pentax SLR Lens Discussion
12-14-2012, 06:41 PM
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I may have misunderstood but with the M lenses you don't compose stopped down - it stops down briefly as you hit the green button to meter, and again when you take the shot, but it's wide open as you compose - or am I mistaken?
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Forum: Pentax SLR Lens Discussion
11-27-2012, 11:14 PM
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The conventional wisdom on this forum is that the 1.7 is great and the 1.4 is less so - that's not my experience. The 1.4 lacks a bit of contrast at 1.4 compared to the 1.7 at 1.7, and it is crucial (and difficult) to get the focus spot-on. But the detail is there. Upwards of 2.0 I don't think there is any material difference between them, except that my 1.4 is slightly better at the edges and corners than the 1-7 when stopped down a bit and used for landscape or architecture. They say that the 1.4 has better bokeh. A bit softer maybe but not worth agonising about. They're both fine lenses, basically.
Whichever you have - 1.7 or 1.4 - I just don't think getting the other one is worth the effort and postage costs.
(I have M 1.4 and M 1.7, and an FA 1.7; I used to have an FA 1.4)
Tim
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