Comments made by johnwhit - Page 31

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japers45 wrote:
Fair play to Pentax for sticking with 16mp - I dont want larger file sizes and a buffer filling up twice as fast where the upside is higher resolution I don't really need (how many actually do NEED more than 16mp?).

At 16mp the limiting factor is the lens resolution, you would need a bigger sensor than APSc for 24mp, hence Pentax have rightly stayed with 16mp so have Nikon as far as I know with the D7000.

https://www.pentaxuser.com/forum/topic/24-3-mp-exmor-cmos-sensor-29586/p-1

http://www.luminous-landscape.com/tutorials/resolution.shtml

John

Comment by johnwhit posted on K-5 Mk II at 11/09/2012 - 13:03

JohnX wrote:
Might be worth registering on this site?

http://www.stolencamerafinder.com/

Thanks John, nothing showing yet but I'll keep checking back.

John

Comment by johnwhit posted on Stolen Pentax istD and lenses at 14/08/2012 - 17:09

Thanks Gareth, much appreciated.

John

Comment by johnwhit posted on Stolen Pentax istD and lenses at 14/08/2012 - 10:28

My partner has had her bag stolen from a train while visiting France, the bag contained the following photographic equipment:

PENTAX *istD Digital SLR Serial #: 5764711
SMC PENTAX-DA 1:3.5 18mm ~ 1:5.6 55mm AL II Serial #: 6258399
TAMRON AF 70-300mm 1:4-5.6 Di LD Macro Serial #: 047516

Any help with recovering the items much appreciated.

Kind regards,

John

Comment by johnwhit posted on Stolen Pentax istD and lenses at 14/08/2012 - 09:14

fritzthedog wrote:
Either you had the best K20 ever made ,,,,,,

Nah, I got that one and I'm keeping it

John

Comment by johnwhit posted on like or hate K-5? at 03/08/2012 - 18:46

Back for sale.

Comment by johnwhit posted on FS: K10D, 3,266 actuations, pristine, boxed, all acc's at 29/05/2012 - 21:34

DrOrloff wrote:

For wildlife work a bag with the the 100macro, 300 and the f1.7 gives a lot of coverage.

I'd agree here, I generally carry a Tamron Di 90/2.8, Pentax DA*300/4 with Tamron-F AF1.4x Pz-AF MC4 and Teleplus 1.5x Pz-AF SHQ, Teleplus Pz-AF 1.7x SHQ allowing various set-ups. All the TC's work well with the Tamron Di 90 Macro.

John

Comment by johnwhit posted on Best Tele-Converter for use with Pentax 100mm Macro Lens at 25/05/2012 - 11:13

The "FA" is reputedly better, I've never tried the "F" though, so cannot comment on performance from experience.

http://www.bdimitrov.de/kmp/lenses/primes/wide-angle/F28f2.8.html

http://www.bdimitrov.de/kmp/lenses/primes/wide-angle/FA28f2.8.html

John

Comment by johnwhit posted on SMC-F 28mm F2.8 at 23/04/2012 - 19:17

The "FA" is a completely different optical design to the "F"

John

Comment by johnwhit posted on SMC-F 28mm F2.8 at 22/04/2012 - 18:03

......and it works a treat

John

Comment by johnwhit posted on How are drive letters assigned? at 21/03/2012 - 19:53

Proudly supporting Pentax User

johnwhit

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