I taught a macro workshop locally a couple weeks ago and had a side note
about using the Q or other small sensor bodies for macro work. My
calculation was that if you took a 36 mp FF sensor and cropped it down
to the size of the original Q, you'd get a 1.3-1.4 megapixel image. I
considered teh D800 - 36 x 24 mm / 7,360 x 4,912 pixels vs the Q at 6.6
x 4.6mm and 4000 x 3000 pixels. I think it would take more than 72 mp
to put the Q pixel density onto a full frame sensor...
I'm not going to state a number because all that would prove is that I'm
not good at math....
Mark
On 9/2/2014 1:02 PM, P.J. Alling wrote:
The Q is 12mp camera with a 5.6 crop factor. 100 x 5.6 so you'd have
the AOV of a 560mm lens on 35mm using that lens with the Q. Which is
super telephoto by any definition. You could also get the same effect
by using that lens on a ff sensor with 72mp and cropping to 12mp from
the center of the frame. (I know of no manufacture making a 72mp ff
sensor so don't ask, I just multiplied in my head which is less sure
than it used to be so if I'm wrong tough).
On 9/2/2014 6:18 AM, Eric Weir wrote:
On Sep 2, 2014, at 12:27 AM, Boris Liberman <[email protected]> wrote:
I would probably leave Sigma 135-400 behind... Instead, you could
bring Q, K to Q adapter, and get by DFA 100 macro for extreme
telephoto…
I don’t understand this. How would a 100mm macro on a Q be provide
extreme telephoto capability? (Not doubting, just would like to know.)
------------------------------------------------------------------------------------------
Eric Weir
Decatur, GA USA
[email protected]
"You keep on learning and learning, and pretty soon
you learn something no one has learned before."
- Richard Feynman
---
This email is free from viruses and malware because avast! Antivirus protection
is active.
http://www.avast.com
--
PDML Pentax-Discuss Mail List
[email protected]
http://pdml.net/mailman/listinfo/pdml_pdml.net
to UNSUBSCRIBE from the PDML, please visit the link directly above and follow
the directions.
