Comments made by Anvh - Page 472

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Yes Like Matt said you just use the aperture ring for Av mode.
The contacts are used to give the camera information about the widest and narrowest diaphragm and that's the info needed for Tv or P mode.

Makes sense?

Comment by Anvh posted on Vivitar 2x macro focusing teleconverter: Auto aperture at 18/04/2010 - 20:34

Was 9/11 an accident

Comment by Anvh posted on Another pointless thread at 18/04/2010 - 20:22

Thank you, quite a positive review for Pentax and the IQ seems quite good certainly up to iso200.
Has the W90 the same sensor?

Comment by Anvh posted on Reviews for the new ones? at 18/04/2010 - 20:18

Here you go.

If you want to read more about it http://kmp.bdimitrov.de/technology/K-mount/Ka.html

Comment by Anvh posted on Vivitar 2x macro focusing teleconverter: Auto aperture at 18/04/2010 - 19:43

now that I think about it there are planes that fly in desserts and you've sand there and the engines are overhauled twice a year or so but still they fly quite good.

I just realize that the letter I've send to America a Tuesday is still in the Netherlands most likely

Comment by Anvh posted on Another pointless thread at 18/04/2010 - 19:40

Indeed Mike all but you and Hyram seems to have the theme wrong
I-berg was pretty clear though.

Comment by Anvh posted on Weekly Comp Discussion 145 - Retro! at 18/04/2010 - 18:47

RR wrote:
In the case of the Sigma 17-70mm though, the new one has OS in all mounts.

Indeed but for example the Sigma 120-400mm also has OS for the mounts besides Pentax and Sony but still the lens arrangement is the same for all mounts.
The comment you made that the lens must be optical different because it has OS doesn't need to be true.

Comment by Anvh posted on Hsm V Non hsm at 18/04/2010 - 14:22

Dont have troubles with the DA40 either, it's just big enough for me if you've thick fingers that would indeed be a problem but the DA70 is slightly larger I believe.

Comment by Anvh posted on 70mm limited as a portrait lens at 18/04/2010 - 14:13

RR wrote:
The newer Sigma 17-70mm has Optical Stabilisation built in so will have a different optical design I would say. Whether IQ is comparable I couldn't comment.

Doesn't need to be, they often have lenses for Pentax and Sony without OS but have it in other mounts.

Comment by Anvh posted on Hsm V Non hsm at 18/04/2010 - 12:03

pentaxanne wrote:
hi stefan i think this is it.
http://www.neatimage.com/noise-profiles/digital-cameras/Pentax/download.html

Thank you, I always use the auto profiler which does a good job most of the time.

Comment by Anvh posted on Noise Ninja at 18/04/2010 - 12:02

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Anvh

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