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  • Aster's Photo Challenge • Re: Challenge #61:"Summer Sun-I walk with Sun on my shoulders.."-ends 02.08.2016-submissions June 27, 2016
    aster wrote:.Thank you for the profound quality of detailed explanations on the workflow, Peter. : )YildizNo worries Yildiz - happy to assist where I can.I just checked to see if I still had a copy of my working PSD file. I usually keep these for a few weeks after editing in case I want to […]
    dewarp
  • Give it Your Best Shot • Re: Flowers 2016 June 27, 2016
    Lovely shots Sury and Valery.These are some wild Iris growing in the mountains that I was able to capture today.Statistics: Posted by the_hefay — Mon Jun 27, 2016 5:58 am
    the_hefay
  • Give it Your Best Shot • Re: Hang Gliding June 27, 2016
    The first one is when he found a thermal and spiraled back toward the mountain and gained some elevation. The last one is just before he landed. It was a perfect landing near as I could tell.Statistics: Posted by the_hefay — Mon Jun 27, 2016 5:42 am
    the_hefay
  • Give it Your Best Shot • Hang Gliding June 27, 2016
    I've always been fascinated by hang gliding but never have done it. However, I did get to watch a hang glider in action today above Dayton, WY in the Big Horn Mtns. Here's a couple of shots from his flight.Statistics: Posted by the_hefay — Mon Jun 27, 2016 5:38 am
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  • Give it Your Best Shot • Re: Exhibit your B&W shots June 27, 2016
    Well Henry, as usual you do a good job at B&W.Statistics: Posted by the_hefay — Mon Jun 27, 2016 5:35 am
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Pentax Q up to battle it out with NEX and Ricoh

Although it’s not Alpha, this product announcement – embargoed until 5am UK time, 23rd June, though no doubt by adhering to the embargo we will be a day later than hundreds of websites breaking it – speaks volumes for the impact of Sony’s Alpha system, its interformat lens compatibility, and the future of non-SLR systems.

Kenko, a Hoya group company like Pentax, showed a C-mount digital camera body in February, as a prototype planned for release this summer. Nothing more has been heard of this project. It looked rather like the Pentax in a way.

But Pentax Q is not a NEX competitor as it uses a tiny lens mount and a tiny sensor. It’s more like today’s equivalent of the Pentax 110 SLR system. Only Ricoh currently uses such small sensors in a nominally ‘interchangeable lens’ (not really) camera format. And our own testing of the Fujifilm F550 EXR, with a similar back-illuminated CMOS sensor, indicated that the gap between such microformats and the APS-C subformat is massive.

Just as your first dust spot will be… the anti-dust system is going to have to be 100% efficient, as a single dust bunny landing on a 1/2.3″ sensor will be disaster.

The lens throat is approximately 38mm diameter, very slightly smaller than Leica screw. The back focus is around 9mm, or half the thickness of the NEX body from sensor surface to flange. This will present the anti-shake, anti-dust vibration mounted sensor (on a magnetic carriage) in a fairly exposed ‘well’. The high speed limitation of 1/2,000th is unexpected, but the camera does not use a focal plane or electronic gating; instead it uses leaf-shutter lenses, which due to the small aperture size, can achieve this fast speed. But they can still only manage 1/250th flash sync, when it would be expected that a leaf shutter on this scale could achieve 1/1,000th.

Here is the Pentax Q system, due to go on sale in the Autumn (press release with comments).

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