All Forum Comments
Comment by pentaxstudio posted on So Expensive but why? at 08/12/2009 - 10:37
I have £250 spare if thats of any use??
P.S Youll have to let me know quickly as im looking at a few others
Matt
Comment by pentaxstudio posted on For Sale: Pentax 17-70mm f4 SDM at 08/12/2009 - 10:28
I have a K10d, 18-55mm and d-bg2 all boxed and in AS NEW condition for sale.
All in fully working order.
Looking for £350 or a K20d and cash on my part.
P.S Forgot to add it has the magic lantern guide too!
Matt
Comment by pentaxstudio posted on For sale or swap+cash PENTAX K10D+18-55+GRIP at 07/12/2009 - 16:33
Comment by pentaxstudio posted on Pentax K20D with grip and extras !!!!! imaculate at 07/12/2009 - 16:30
Fix exposure that's what Don wrote.
Your flash exposure have this formula:
GN = working distance x f-number
So if your F-number change during zooming you have the problem that your exposure isn't right any more so you need to keep an eye on that.
With a lens which has a constant aperture this of course is no problem at all so you can concentrate more on shooting if you wish.
It's just a little thing that makes life easier.
If you shoot mostly with f/8 in the studio then of course this no problem, but with f/4 then you would have a problem with the longer ends with most non constant zooms.
Thanks for the explanation.
To get the whole face in depth of field you would use f8 or similar most of the time anyway wouldnt you?
Comment by pentaxstudio posted on Studio Setup at 06/12/2009 - 14:11
Also , what do you mean by fixing the exposure every time you zoom??
Comment by pentaxstudio posted on Studio Setup at 06/12/2009 - 09:57
Comment by pentaxstudio posted on Studio Setup at 05/12/2009 - 20:31
I didnt mean the iso noise in studio. I meant in other things i shoot (some landscapes)
I know the K20d would last me for the next 10yrs , i mean if the camera broke down and i couldnt get hold of another pentax k20d , then what? as it seems pentax along with others are going more towards the normal consumer than the pro
Matt
Comment by pentaxstudio posted on Studio Setup at 05/12/2009 - 14:47
Do you think Pentax will be bringing a K30d or similar out? As the K7 is far too small for me and dont want to be stuck with lots of expensive lenses and no decent body to put them on (i dont want to keep buying second hand bodies for studio work)
Comment by pentaxstudio posted on Studio Setup at 05/12/2009 - 14:13
Why did the sale fall through?
Also if you have a kit lens to throw in with it , id take it for £400
Comment by pentaxstudio posted on K20D & Grip £450! at 04/12/2009 - 10:35


Hey, at least Pentax supplies one for their lenses, some brands I could name don't even do that.