I think I'd actually be more inclined to buy a Pentax FF DSLR if it were
24mp than 36mp. Especially if Pentax worked the same magic with that
sensor that they have with the 16mp sensor in the K-5. A 300 dpi, image
would be 13 1/3" x 20" in size if you printed the full frame. Assuming a
high definition screen of 100ppi, (yes I'm sure there are higher
resolutions but the math is easy), a 24mp image will create a 40" x 60"
image for display. The Diagonal on that is roughly 72" How many even
commercial and scientific venues have larger displays?
I'm not going to say who needs it, someone might, probably does, but I'm
pretty sure I don't. What I am more interested in is greater color depth
and exposure latitude. I'm still using a K20D, (hey times are tough and
I can't justify, even to myself, replacing what is a to me a four year
old camera that still does it's job), and lower noise. The larger sensor
with larger photo-sites would make those goals much easier to achieve.
On 2/7/2013 7:48 PM, Mark C wrote:
I'd probably buy a FF body just because I've been itching to buy a new
Pentax DSLR for a while now....
But the rationale really depends on the specifications of a new FF DSLR.
*IF* the sensor resolution / pixel size was comparable to the K-5 and
the image image quality was just as good, then a FF Pentax DSLR would
be an automatic for me. I could have the advantages of a full frame
DSLR when I needed them and crop down to APS size and still get
something as good as the top APS C DSLR. Of course, that would call
for a sensor in the 36 megapixel size.
If the sensor resolution was lower - like a 24 mp FF DSLzR it would be
harder to rationalize. Since I do a lot of macro and telephoto work,
the crop factor of the APS sensor comes in handy. For that kind of
work it is better to use a smaller / higher resolution sensor than a
larger / lower reoslution sensor. I would probably still get the FF
camera just to use lenses that I like and don't have in the APS format
- like fast normals (less than f 2.0) and the FA 20-35mm f4. But I am
sure that some of my old FF lenses will not but up to snuff on a
digital gear.
So -
1. A 36 megapixel FF I'd buy ASAP. It owuld replae my K-5 for
virtually all shooting since I could crop down to K-5 image sizes with
the same resolution.
2. A 24 megapixel FF I'd probably buy, but I'd alternate between the
K-5 and the the FF and probably do a lot of work with the K-5 still.
(Maybe this path would get me to buy a K-5IIS also.)
3. If Pentax came out with both a 24 megapixel FF and a 24 megapixel
APS body I'd provably buy the APS body. Maybe come back for the FF later.
Mark
On 2/7/2013 6:28 AM, Steve Cottrell wrote:
I mean, aside from the obvious reasons like, bigger sensor, better image
quality, better use with lenses designed to work with a 36X24mm frame,
better lighting, better heating, better sewer systems, the roads (yes we
can't forget the roads)....
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