NX1 autofocus with 30mm f2

Having all (=all) NX lenses from Samsung and being longtime NX system user (from NX100) I bought recently new NX1 body to continue shooting with the system.

I am very happy with improved AF speed of 16-50 S and 50-150 S or 12-24, however one of my favourities lens 30mm f2 seems to focus worse than on nx300/nx30 and I'd say even than on nx20. In good light there is little if any difference, but inside or in the early evenings, there is definitely much more hunting. And quite often there is no focus lock. nx20 and nx30 would focus slow in that conditions but would get focus lock. NX1 frequently doesn't.

I wonder if you guys have similar observations.

arbux wrote:

Having all (=all) NX lenses from Samsung and being longtime NX system user (from NX100) I bought recently new NX1 body to continue shooting with the system.

I am very happy with improved AF speed of 16-50 S and 50-150 S or 12-24, however one of my favourities lens 30mm f2 seems to focus worse than on nx300/nx30 and I'd say even than on nx20. In good light there is little if any difference, but inside or in the early evenings, there is definitely much more hunting. And quite often there is no focus lock. nx20 and nx30 would focus slow in that conditions but would get focus lock. NX1 frequently doesn't.

I wonder if you guys have similar observations.

I have the exact same experience to the point that mine is for sale on EBay right now. So frustratingly slow.

I have used the 30mm lens now for almost 6 years going back to the NX10. I haven't used it other than a shot or two on my new NX1. I will check that combo out for its low light focusing speed and report back.

its working fine with me. did you check for lens firmware update?

its working fine with me. did you check for lens firmware update?

TJL LTFF wrote:

I will check that combo out for its low light focusing speed and report back.

I just did a focusing test of the 30mm on an NX500 and NX1 in a dark environment. Using SAF, Focus Assist Light off  and varying focus box sizes I saw negligible focus speed differences between the two combos; both struggled.

Turning the Focus Assist Light on helped some with the NX500. But one thing that was a definite plus for the NX1 was being able to use the lowest of three brightness settings for the light. I was testing the focus by picking objects from 5 to 21 feet. In this distance range the single bright level on the NX500 only helped a little; whereas the lowest level on the NX1 improved the  focusing speed nicely. This was still lagging well behind the 16-50 S speed on the NX1 at 30mm focal length with no light assist. I tried the 16-50 S on the NX500 and its performance was decidedly worse. I wonder why?