J Posthuma. Chromatic aberrations are extremely well controlled, barely exceeding a quarter of a pixel width towards the edges of the frame throughout the zoom range. I used the exclusively this weekend and I really missed the handy size of the Tamron mm F2. Sample Photo Archive. You may also like. Visually uniform illumination is achieved with the lens stopped down by two stops from maximum aperture or beyond throughout the zoom range. CA 20mm. The 4mm difference is much more than the difference at the long end.
Its faster, but will the mm give me better photos overall? After the second time I used it as a manual lens but it's since been converted to I would go with the mm for the wider angle of view and the constant Pentax K-5 Pentax smc DA 15mm F4 ED AL Limited Pentax smc Limited style small body, mm would be logical zoom choice.
f/ at 50mm and does so with nicer results than the DA*/ At the 20mm end: f/ is the same for both lenses, but the bokeh of the DA looks nicer to me. Like other HD Limited lenses, the Pentax mm ƒ/ ED Limited DC WR HD DA reduction in vignetting as you stop down compared to the 20mm and 24mm.
DA vs DA* Pentax SLR Talk Forum Digital Photography Review
. The last alternative is the Pentax mm ƒ/ ED AL IF SDM SMC DA*.
The level of CA is not overly severe, however, and is something that minor adjustment photo editing software could easily remove. Mounted on our Pentax K-5 test camera, the lens felt great and properly balanced. HD DA Lim for testing. Distortion goes away quickly as you zoom; it's gone by 30mm. Personally I think mm has more subtle tonal transitions.
Pentax mm f/ ED Limited DC WR HD DA Review
I suspect that this is a quality control and assembly problem rather than a design deficiency. Visit our Competitions Forum, where you'll find our monthly competition and other external competitions to enter.
Video: Pentax 20 40mm vs 16-50mm lens diagram Top 10 Best In Pentax Digital Camera Lenses - Best Sellers In Pentax Digital Camera Lenses
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There's no opitcal stabilization, but that's a nonissue for Pentax owners as the feature is built into camera bodies—any lens you attach benefits from stabilization. Due to fewer elements, T-number at 20mm might even let through ever so slightly more light not done side-by side though Balance much better on a K where is way to large,so if Ricoh in the future decide to make Limited style small body, mm would be logical zoom choice.
Video: Pentax 20 40mm vs 16-50mm lens diagram Pentax KP FullHD Video (Panning, AF, 20-40mm lens)
The lens displays great sharpness, especially in the center of the frame or, better yet, when you stop down a bit. Despite the relatively retro-esque, all-metal exterior design, there are a few more modern touches to this lens than with the other Limited series glass.
If you shoot JPG you can enable in-camera correction to sidestep this issue. Photos: Gallery.
HD PentaxDA mm f/ Limited DC WR Lens Review ePHOTOzine
the same price, you can pick up a Pentax mm f/ DA* ED zoom lens. The Pentax HD DA mm F ED Limited DC WR is a There's a corresponding depth of field scale marked at f/4, f/8, f/16, f/22, and f/ it — but there are other lenses in the DA series that pair with a full-frame sensor Sony Cyber-shot DSC-RX III vs.
HD Pentax-D FA* 50mm F SDM AW.
Some distortion at the wide end. Its image circle does a fine job covering an APS-C sensor, but shows dark corners throughout the zoom range when paired with the K-1, as you can see in the image above. I would say that if you lean towards primes, then the would be the best choice.
Pentax HD DA mm F ED Limited DC WR Review & Rating
See More. On my Flickr site, you can see what a relatively early version of DxO Photo can do about the distortion and other defects.
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|It seems to sit at a "no man's land" territory.
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Fujifilm GFX Here is one thread.