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Forum: Pentax SLR Lens Discussion
04-22-2008, 08:35 PM
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The FA* 200 macro is a rare lens. It would pop up at most once or twice a year at an insane price. At this focal, 180-200, you have at least 2 meters away from the snake. With PP cropping, you can be much further to achieve that kind of detail.
As for the different working distance between the 90 and 105, it's not that noticeable. I think you look at about 2cm gain at most (speculation, not scientific). However, from 90mm to 125mm, you're looking at a healthy 8cm gain. From 90mm to 180mm, you gain around 17cm (almost 7 inches).
However, going to a longer focal doesn't always mean a good thing. You have to deal with the weight. In addition, you can get away with a shutter 1/60 on your Tamron, but definitely not with the 180. So you need a good flash system or increase your ISO and/or steady hands. Thus, the shorter macro might have an upper hand for this kind of situation, like the DA 35 for casual macro under the shade with no flash.
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Forum: Pentax SLR Lens Discussion
10-26-2010, 11:05 AM
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Admittedly, I don't shoot Pentax anymore, but in my line-up, I still keep that nifty A 50/1.2. Recently, I've discovered a quality of this Pentax that I've not seen before, the ability to render 3D. I know this lens is not that strong at long distance shot due to aberration, which helps to produce the smooth bokeh. However, at moderate distance, it can produce stunning result. Short distance, it's sharp, and buttery.
I shot this with my Sony A900. I just hope that this would help out some of you on the fence right now looking to buy this lens. It's simply breathtaking on full frame.
3Dish:
Sharp, buttery close shots:
Painterly rendering at far distance:
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