f2 Cameracraft

f2 Freelance Photographer is one of the highest quality photo enthusiast magazines you'll find - worldwide. It now incorporates Cameracraft. Our subscription deal deal saves you substantially over the retail cover price and we'll send you your first copy free, starting your subscription with the next one. The cost will be held for three years and you can cancel at any time. Visit our web pages to learn more, or subscribe below..

Subscribe to f2 Cameracraft

Postal Region

Photoclubalpha Forum

Join our free Forum for a wealth of info, great company and some fantastic photo sharing threads! Registration on the Forum is separate from Registration on the website, but you are allowed to register using the same name and password.
  • Sony Alpha 100-900 • Re: Sony a77II discontinued December 8, 2016
    ???Statistics: Posted by CHOLLY — Thu Dec 08, 2016 4:55 pm
    CHOLLY
  • Sony Alpha 100-900 • Re: Sony a77II discontinued December 8, 2016
    I just wondered if one of the Sony Systems E mount APS-C such as the NEX/A6XXXX, E mount FF or either A mount APS-C or A mount FF, is going to survive, some photo writer on another forum felt Sony are running too many alternatives and felt one of them won't survive in a diminishing […]
    classiccameras
  • Sony Alpha 100-900 • Re: Sony a77II discontinued December 8, 2016
    The only difference is as far as I can tell is the actual camera body.Excluding of course the actual sensor unit. I am rather confused as to what point classiccamera is attempting to make.Statistics: Posted by peterottaway — Thu Dec 08, 2016 11:24 am
    peterottaway
  • Sony Alpha 100-900 • Re: Sony a77II discontinued December 7, 2016
    There are full frame E mount cameras just like there are full frame A mount cameras. The lens mounts don't change due to sensor size... but the lenses do.And with Sony cameras and lenses, you can use full frame and APS-C designated lenses on both full frame and APS-C sensor cameras. Interchangeably.I'd LOVE to see […]
    CHOLLY
  • Sony Alpha 100-900 • Re: Sony a77II discontinued December 6, 2016
    Which E mount APS-C or FF, or both, even though certain aspects of both are not compatibleStatistics: Posted by classiccameras — Tue Dec 06, 2016 4:36 pm
    classiccameras

B&H Product Finder

B&H Photo - Video - Pro Audio

DK’s Alamy collection

Stock photography by David Kilpatrick at Alamy

Past Article Calendar

June 2011
M T W T F S S
« May   Jul »
 12345
6789101112
13141516171819
20212223242526
27282930  

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).

Pages: 1 2 3

Comments are closed.