Pentax 18-135 WR ?

stevewong · 06-13-2014, 12:19 PM

Hello to all,
I am looking at Pentax 18-135 WR . It does not have Aperture Number on the len. Can it be use with Manual Focus ?.I am thinking to buy one , but i would like to be sure.
Thanks,
steve

**pacerr** · 06-13-2014, 12:30 PM

Certainly it can be manually focused . . . but the aperture can only be controlled electronically by the camera body.

**savoche** · 06-13-2014, 12:40 PM

What pacerr said. But be aware that there is no distance scale either, so yes, you can focus manually but it's impractical to zone focus.

In short, it will work very well on the K-5ii, but I highly doubt it's usable on a film body. It would probably vignette badly too.

stevewong · 06-13-2014, 02:40 PM

Thanks Pacerr and Savoche for your help !.
In this case ,I only can move the zoom for distance from 18 to 135 mm. I Could Not chose the F stop ,isn't it ??.
Thank you,
steve

**crewl1** · 06-13-2014, 03:16 PM

You choose f stop via the body.
In my opinion the DA18-135 is not fun to manually focus.
The focus ring is too narrow and hard to turn.

delegopa · 06-13-2014, 03:45 PM

While I think that the DA18-135 is a nice lens, I would not choose it for manual focus as main use, either. The focus drive works fast and quiet however. What do you intend to use it for?
An older F zoom might be an alternative, those have long focus throws and manual aperture as well.

stevewong · 06-13-2014, 04:00 PM

Originally posted by crewl1

You choose f stop via the body.
In my opinion the DA18-135 is not fun to manually focus.
The focus ring is too narrow and hard to turn.

Thanks Crewl1

06-13-2014, 12:19 PM	#1
stevewong Senior Member Join Date: Jul 2013 Posts: 215	Pentax 18-135 WR ? Hello to all, I am looking at Pentax 18-135 WR . It does not have Aperture Number on the len. Can it be use with Manual Focus ?.I am thinking to buy one , but i would like to be sure. Thanks, steve

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06-13-2014, 12:30 PM	#2
pacerr Loyal Site Supporter Join Date: Jan 2008 Location: Paris, TN Photos: Gallery \| Albums Posts: 3,349	Certainly it can be manually focused . . . but the aperture can only be controlled electronically by the camera body.

06-13-2014, 12:40 PM	#3
savoche Master of the obvious Join Date: Jun 2011 Location: Lowlands of Norway Posts: 18,311	What pacerr said. But be aware that there is no distance scale either, so yes, you can focus manually but it's impractical to zone focus. In short, it will work very well on the K-5ii, but I highly doubt it's usable on a film body. It would probably vignette badly too.

06-13-2014, 02:40 PM	#4
stevewong Senior Member Join Date: Jul 2013 Posts: 215 Original Poster	Thanks Pacerr and Savoche for your help !. In this case ,I only can move the zoom for distance from 18 to 135 mm. I Could Not chose the F stop ,isn't it ??. Thank you, steve

06-13-2014, 03:16 PM	#5
crewl1 Site Supporter Join Date: Jul 2010 Location: Los Angeles, CA Photos: Gallery \| Albums Posts: 9,807	You choose f stop via the body. In my opinion the DA18-135 is not fun to manually focus. The focus ring is too narrow and hard to turn.

06-13-2014, 03:45 PM	#6
delegopa Senior Member Join Date: Apr 2013 Posts: 244	While I think that the DA18-135 is a nice lens, I would not choose it for manual focus as main use, either. The focus drive works fast and quiet however. What do you intend to use it for? An older F zoom might be an alternative, those have long focus throws and manual aperture as well.

06-13-2014, 04:00 PM	#7
stevewong Senior Member Join Date: Jul 2013 Posts: 215 Original Poster	Originally posted by crewl1 You choose f stop via the body. In my opinion the DA18-135 is not fun to manually focus. The focus ring is too narrow and hard to turn. Thanks Crewl1