17-70 DA takes ~ 2 secs to focus

peterh337 · 02-08-2011, 09:09 AM

Just bought a brand new one..

It works fine and appears sharp but if you set the focus ring to the shortest distance, it takes a couple of seconds to "wake up" when pointed at a more distant object.

With the old 16-45 DA, the camera focused a lot faster.

If the distance set is not too far off the actual, it focuses much faster.

Is this normal?

It's a good lens - appears similar to the 16-45 which is pretty good. The extra zoom is worth having as I carry just the one lens.

**blackcloudbrew** · 02-08-2011, 09:34 AM

Well, I wouldn't say it's normal but it's not abnormal either. It's an SDM lens and it can be a little on the slow side in those situations as I recall. Until I got my DA*50-135, the DA 17-70 was my second most favorite lens. It's given me many a great image and still does. My only operational complaints are that while hiking with it, it tends to zoom creep and the quick shift ring is too quick shifting sometimes and moves when I don't want it too. Other than that, I love the darned thing.

02-08-2011, 09:09 AM	#1
peterh337 Veteran Member Join Date: Jan 2009 Location: London Posts: 573	17-70 DA takes ~ 2 secs to focus Just bought a brand new one.. It works fine and appears sharp but if you set the focus ring to the shortest distance, it takes a couple of seconds to "wake up" when pointed at a more distant object. With the old 16-45 DA, the camera focused a lot faster. If the distance set is not too far off the actual, it focuses much faster. Is this normal? It's a good lens - appears similar to the 16-45 which is pretty good. The extra zoom is worth having as I carry just the one lens.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
K-x: 3 secs lag between picure is taken and displayed	majortom	Pentax DSLR Discussion	15	11-19-2010 09:44 AM
The K-5 takes a shower	inferno10	Pentax K-5 & K-5 II	24	10-31-2010 09:16 PM
The K-7 takes film!	blende8	Pentax News and Rumors	5	05-21-2009 10:55 AM
Optio MX Stops Recording after 1 min 24 secs	berzans	Pentax Compact Cameras	1	09-24-2008 09:16 PM
Audi A4 (B5) - few takes	Duh_Vinci	Post Your Photos!	7	08-18-2007 10:03 AM

02-08-2011, 09:34 AM	#2
blackcloudbrew Loyal Site Supporter Join Date: Mar 2009 Location: Cotati, California USA Photos: Gallery \| Albums Posts: 4,461	Well, I wouldn't say it's normal but it's not abnormal either. It's an SDM lens and it can be a little on the slow side in those situations as I recall. Until I got my DA*50-135, the DA 17-70 was my second most favorite lens. It's given me many a great image and still does. My only operational complaints are that while hiking with it, it tends to zoom creep and the quick shift ring is too quick shifting sometimes and moves when I don't want it too. Other than that, I love the darned thing.