Can Sigma OS lens be used with SR?

amphysics · 06-18-2009, 11:24 AM

I mean, can I switch on OS on the lens and SR in the camera the same time? In this case, the bonus on the shutter speed is

OS: 4 steps
SR: 4 steps.

OS+SR=8 steps!

Sigma 50-200 OS HSM

m42geo · 06-18-2009, 11:29 AM

Originally posted by amphysics

I mean, can I switch on OS on the lens and SR in the camera the same time? In this case, the bonus on the shutter speed is

OS: 4 steps
SR: 4 steps.

OS+SR=8 steps!

Sigma 50-200 OS HSM

Sigma dont make any OS lens with pentax mount at all. so you can just use the in camera SR system

mcclane · 06-18-2009, 11:32 AM

I think Sigma does make OS in Pentax mount.
See DPreview forum.
But you cant use it together...

SR OR OS

amphysics · 06-18-2009, 11:44 AM

Originally posted by mcclane

I think Sigma does make OS in Pentax mount.
See DPreview forum.
But you cant use it together...

SR OR OS

Sigma 50-200mm F4-5.6 DC OS HSM
very cheap.

I wonder whether Pentax camera has the automatic switch. When I open the OS in lens, can it shut down SR automaticlly? Or manually? Is there any harzard for forgetting to turn off the SR?

robjmitchell · 06-19-2009, 04:23 AM

The new sigma 18-250 OS HSM has a switch on the lens and cant be used at the same time as SR.
So you can pay $100 more than the pentax/tamron to get something you don't need. some people do like the stabilized view though even if it drains the batteries more than SR.

**Lowell Goudge** · 06-19-2009, 05:19 AM

not sure if it is in the latest "Popular Photography" or "Shutterbug" but there is a lens review and they comment that for pentax and other sensor based stabalization system users, they now have the option of sensor based or lens based, with the bnenefit of lens based systems being the stabalized viewfinder

audiobomber · 06-19-2009, 08:58 AM

Originally posted by Lowell Goudge

the bnenefit of lens based systems being the stabalized viewfinder

I'd rather see the shake if it's there. It's a reminder to check my posture, brace myself and minimize the movement.

06-18-2009, 11:24 AM	#1
amphysics New Member Join Date: Jun 2009 Posts: 9	Can Sigma OS lens be used with SR? I mean, can I switch on OS on the lens and SR in the camera the same time? In this case, the bonus on the shutter speed is OS: 4 steps SR: 4 steps. OS+SR=8 steps! Sigma 50-200 OS HSM

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06-18-2009, 11:29 AM	#2
m42geo Senior Member Join Date: Jul 2008 Location: London Posts: 103	Originally posted by amphysics I mean, can I switch on OS on the lens and SR in the camera the same time? In this case, the bonus on the shutter speed is OS: 4 steps SR: 4 steps. OS+SR=8 steps! Sigma 50-200 OS HSM Sigma dont make any OS lens with pentax mount at all. so you can just use the in camera SR system

06-18-2009, 11:32 AM	#3
mcclane New Member Join Date: Apr 2009 Location: Maastricht Posts: 5	I think Sigma does make OS in Pentax mount. See DPreview forum. But you cant use it together... SR OR OS

06-18-2009, 11:44 AM	#4
amphysics New Member Join Date: Jun 2009 Posts: 9 Original Poster	Originally posted by mcclane I think Sigma does make OS in Pentax mount. See DPreview forum. But you cant use it together... SR OR OS Sigma 50-200mm F4-5.6 DC OS HSM very cheap. I wonder whether Pentax camera has the automatic switch. When I open the OS in lens, can it shut down SR automaticlly? Or manually? Is there any harzard for forgetting to turn off the SR?

06-19-2009, 04:23 AM	#5
robjmitchell Veteran Member Join Date: Oct 2007 Location: Melbourne Aus Posts: 1,776	The new sigma 18-250 OS HSM has a switch on the lens and cant be used at the same time as SR. So you can pay $100 more than the pentax/tamron to get something you don't need. some people do like the stabilized view though even if it drains the batteries more than SR.

06-19-2009, 05:19 AM	#6
Lowell Goudge Site Supporter Join Date: Jan 2007 Location: Toronto Photos: Gallery \| Albums Posts: 17,886	not sure if it is in the latest "Popular Photography" or "Shutterbug" but there is a lens review and they comment that for pentax and other sensor based stabalization system users, they now have the option of sensor based or lens based, with the bnenefit of lens based systems being the stabalized viewfinder

06-19-2009, 08:58 AM	#7
audiobomber Veteran Member Join Date: May 2008 Location: Sudbury, Ontario Photos: Albums Posts: 6,806	Originally posted by Lowell Goudge the bnenefit of lens based systems being the stabalized viewfinder I'd rather see the shake if it's there. It's a reminder to check my posture, brace myself and minimize the movement.

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