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PENTAX ASAHI TAKUMAR K (BAYONET) MOUNT 135MM F/2.5 TELEPHOTO PRIME LENS

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Overall, this is a poor performance even for an inexpensive kit lens. If you're interested in purchasing the Pentax K-5 with the kit lens, make sure to buy from a retailer that allows hassle-free returns and test the lens thoroughly within the exchange period.


Latest rumor wave created by a senior member of Pentax Forums, According to him Pentax will soon announce a new fullframe DSLR camera loaded with recently announced Sony A7R II Sensor, the other important information shared by him that Tamron will be adding new Pentax K mount lenses to its lens database soon…

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  • BP2012

    11. Faster workflow in Lightroom in my case. I am using Pentax and Sony. My first workflow step with Sony is to convert to DNG format because I think that DNG is most appropriate format for long term archiving.

    12. Sony have only one memory card slot while Pentax have two with a few different working modes.
    13. Actually I like flip flop display. 95% of the time I am not using a display at all but when I’m using it is always because of awkward angle. So I would like to see fully articulated screen on Pentax FF just like Pentax K-S2.
    14. OVF is better than EVF.. EVF it is not wysiwyg but wssiswyg (what sensor sees is what you got) and that is not the same.
    15. Pentax has excellent interval shooting/timelapse implementation

    I tried to use Pentax lenses on Sony but it simply does not have sense. Adapter is so big because of long flange distance even a Pentax pancake lens become so huge Sony’s body. In adition to that it is dumb adapter without any control of the lens: no apperture, no autofocus, no nothing. I am talking about most expensive Voigtlander adapter for using Pentax lenses on Sony cameras. So Pentax lenses are for Pentax and Sony/Zeiss are for Sony. If Pentax FF will be good I have no doubt which system I will sell.

  • Pentax K-50 DSLR Camera with 18-55mm Lens (Black) 10894 B&H

    As mentioned previously, the Pentax K-5 is usually sold body-only, or bundled with the Pentax 18-55mm f/3.5-5.6 AL WR kit lens. WR stands for "Weather Resistant", which is also true of the K-5 body. The Pentax 18-55mm WR lens offers a typical optical zoom range of ~3.1x for an inexpensive kit lens. Sharpness is fairly good across the frame at full wide-angle (stopped down to f/8), with low levels of coma distortion, but some strong chromatic aberration is visible in the corners. Results at full telephoto are quite soft particularly in the top-right, but with much lower levels of chromatic aberration. (Note: The non-WR "AL II" version of this lens performed quite well with the K-5, so we requested a second sample of WR lens for testing, thinking our first was one was defective. Unfortunately, the second copy was no better.)

    As mentioned previously, the Pentax K-r is sold body-only or bundled with the Pentax 18-55mm f/3.5-5.6 D AL kit lens. The Pentax 18-55mm lens offers a typical optical zoom range of ~3.1x for an inexpensive kit lens. Sharpness was fairly good across the frame at full wide-angle (stopped down to f/8), with low levels of coma distortion, but strong chromatic aberration as well as some minor softening was visible in the corners. Results at full telephoto were fair with sharp detail on the right side of the frame and much lower levels of chromatic aberration, but the bottom left quadrant of the frame was a little soft.