AND ... it's available in Pentax mount.
http://www.sigmaphoto.com/product/18-35mm-f18-dc-hsm-a
I like the video too.
On 9/12/2014 12:47 AM, Rob Studdert wrote:
I'm seeing pretty impressive results from the K3 coupled with the
Sigma 18-35/1.8 in studio. Editing shots from a session last week from
a pretty loosely shot group portrait of 11 I found some moire in a
small headpiece of fine netting. I'm not sure if the lens is
out-resolving the sensor but it's probably close. Suffice to say it's
impressive, it's always nice to have more data to work with but I'm
not sure that it's of practical benefit.
On 12 September 2014 08:14, Mark Roberts <[email protected]> wrote:
steve harley wrote:
on 2014-09-11 1:22 Larry Colen wrote
P.J. Alling wrote:
46mp in a 24x36mm sensor seems like they're pushing the ragged edge of
physics.
That's about the same pixel pitch as 24MP in a K-3.
did the math — K-3 has significantly higher pixel density, so it would be
the one pushing the ragged edge …
megapixels per square millimeter:
46 mp / 864 sq mm = 0.054 (that's only 54,000 pixels per square millimeter)
vs
24 mp / 367 sq mm = 0.065
I really like the idea of judging sensors by pixel density rather than
simple pixel count – this puts APS-C and FF sensors on equal footing.
By most reports, the 36-megapixel cameras are pushing the ragged edge,
so the 24MP APS-C cameras are over it (as would the 46MP sensor).
At this point they really seem to be pushing pixel density to the
point of uselessness. Filling up hard drives with bigger files that
carry no image benefit. It's all marketing. But if it works, more
power to 'em.
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Mark Roberts - Photography & Multimedia
www.robertstech.com
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