xmeda

FA31/1.8 Ltd is different lens. Smaller, lighter and with very special image characteristic. Not to mention some (small) difference in angle of view. Comparing these two is a bit apples vs...

FA31/1.8 Ltd is different lens. Smaller, lighter and with very special image characteristic. Not to mention some (small) difference in angle of view. Comparing these two is a bit apples vs...

I have both and use both.  Sigma can focus for short distance. Has a bit better image near corners. Less aberrations. And somewhat more pleasing bokeh. 18-135 is better as all-around  carry-out...

K10D and K20D had Pentax utility able to control camera from PC. Now everybody uses PK-Tether without problems. This topic has no sense.

OldestSigma 50-500 F4-6.3 APO RF    (non DG!) handheld http://xmeda.sweb.cz/SKLAD/Bigma/IMP46165R.JPG http://xmeda.sweb.cz/SKLAD/Bigma/IMP46080R.JPG and 1:1...

DA*60-250/4 Sigma 100-300/4

Try 135/2.8 M42 Pentacon with 15 aperture leaves...

HSS means, that flash fires several times for one photo, sync speed is 1/180s. In manual if you set manually flash power to 1/4, your camera refuse to go faster than 1/180s. That is possible only...

PENTAX MOUNT!

Flagship is called 645D

Bad Nikon, baaaaaaaaaaaaaaaaaaad :D :D :D

Yes, it autofocuses if there is enough light!  :)

I have both and both have reason to stay with me. Sig 17-70/2.8-4.5 has better wide angle - center might not be as sharp (but still very good), and borders are better + aberrations are under...

Pentax K5IIs

Interesting lens.. I have the older one :)http://sphotos-f.ak.fbcdn.net/hphotos-ak-ash4/255556_10151030220441814_1946582893_n.jpg

Not possible, this is not only the AF module itself (which is bigger) but you also need to have different circuitry + different firmware. This is not like swapping exhaust in old car. Cameras are...

Kata 3n1 30 is better option

K-02 might be ready :)  weather sealed mirrorless with in-body stabilisation and more ergonomical body than K-01 would be nice addition.

He is worse than politicians.. hundred sentences told, but nothing said.

This lens is back-compatible with film 645 bodies. This might be the only reason. No need to do the same for 35mm/APS-C as 35mm film is almost dead.Btw. it is the first and only stabilized medium...