Originally posted by Ben_Edict Lowell's explanation is ofcourse completely correct.
thanks, I'll remember that, I have been very wrong also at times
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Nevertheless the is visible lens flare. The two street light in the upper left corner each produce a slight ghosting or flareing. The left one pinkish and the lamp to its immediate right a round blob, which is nearly lost in the diffraction spikes.
how the hell did you pick that up, I had to look long and hard to find it
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To me, this image is a testimonial just how good the flare controle is with that lens! Many lenses would produce much severer flareing, including my old K 15/3.5.
Ben
How true. I would love to compare your K15/3.5 to my newly aquired Samyang 14/2.8 I got the samyang because it was easy to get at a price well belwo what the pentax 15mm goes for, and have been questioning the difference in performance between the two. If I had to bet, I would think the pentax is much better on distortion, worse on CA and probably worse on internal reflections as well. but I seem to have hijacked the thread a little. OOPS!