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Pentax will launch a 560mm f/5.6 and 50mm f/1.8 lenses...
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PostPosted: Tue Feb 07, 2012 10:29 pm    Post subject: Pentax will launch a 560mm f/5.6 and 50mm f/1.8 lenses... Reply with quote

Not much new was coming from Pentax in the last few years. But at the CP+, 9 february, they will show off some lenses which will be marketed in 2012. Some Q lenses and a 90mm f/2.8 lens for the 645D, but also two long-awaited lenses:

Model name (tentative): smc PENTAX-DA 560mm F5.6
Unifocal super-telephoto lens for use with K mount interchangeable-lens digital cameras
Sharp, well-defined images — particularly with distant subjects — thanks to the adoption of optics used in astronomical telescopes
Market launch scheduled for 2012

Model name (tentative): smc PENTAX-DA 50mm F1.8
Unifocal standard lens for use with K mount interchangeable-lens digital cameras
Maximum aperture of F1.8 for high-quality images with a superb rendition of depth and natural bokeh (out-of-focus) effect
Market launch scheduled for 2012

Yay! Smile

http://www.dpreview.com/news/2012/02/07/Pentax_In-development_lenses


PostPosted: Tue Feb 07, 2012 10:37 pm    Post subject: Reply with quote

DA 50/1.8 sounds like a cheap option for DA 55/1.4. Both are (probably) compatible with full frame but not really "standard" lenses as long as Pentax full frame DSLR doesn't exist Rolling Eyes


PostPosted: Wed Feb 08, 2012 7:05 am    Post subject: Reply with quote

And here they are (the pictures are too large, so I made them links instead of inline pictures):

The 560mm f/5.6
http://www.pentax.jp/english/news/announce/info-image/20120208_2.jpg

The 50mm f/1.8 "plastic fantastic"
http://www.pentax.jp/japan/news/announce/info-image/20120208_3.jpg

A yet-to-be-named Pentax K-01 wide angle lens with protruding back element (so it cannot be used on normal DSLR's - a sign of more K-mount mirrorless cameras to come...
http://www.pentax.jp/japan/news/announce/info-image/20120208_6.jpg

The Pentax K to Pentax Q mount adapter, with its own shutter
http://www.pentax.jp/japan/news/announce/info-image/20120208_7.jpg


PostPosted: Wed Feb 08, 2012 1:19 pm    Post subject: Reply with quote

The rear mount on my 35/2.4 has lasted a week before cracking due to me dropping it on the K5. This puts me off the 50 slightly, that and the fact that there's hardly a shortage of brilliant Pentax 50s. A cheap (under £200) 20mm and I'd be straight there. That is what is needed the most, an affordable true wide angle prime, f2.8 would be fast enough.

Still, if that ~20-40mm Limited zoom materialises and is small enough and built like the other Limiteds then it could be the perfect walkabout, 16-35 would be ideal and f/4 would do. If it captures light like a prime and has that tonal quality and rendering then I'm highly interested.


PostPosted: Thu Feb 09, 2012 8:42 am    Post subject: Reply with quote

Spotmatic wrote:
A yet-to-be-named Pentax K-01 wide angle lens with protruding back element (so it cannot be used on normal DSLR's - a sign of more K-mount mirrorless cameras to come...
http://www.pentax.jp/japan/news/announce/info-image/20120208_6.jpg


Very intriguing... it should be a very wide one.
I have this one in my mind :

(the 15 heliar in nikon SLR mount)
It was mandatory to have a mirror lock-up function. Not anymore, now !