can the 50-135mm used with screw drive mode in k5

nirVaan · 04-03-2012, 07:07 AM

hi guys

im curious know whether you could turn off SDM and use the screw drive AF with K5 when using 50-135mm

Aegon · 04-03-2012, 07:13 AM

No. There are no settings or methods to make the K-5 use screwdrive on SDM-ready lenses.

That said, one user here had a K20D that malfunctioned and started using screwdrive. This was a few years back. I remember when the body was sold, the malfunction was listed as a positive feature.

**tcbubbleleo** · 04-03-2012, 08:01 AM

Originally posted by Aegon

No. There are no settings or methods to make the K-5 use screwdrive on SDM-ready lenses.

That said, one user here had a K20D that malfunctioned and started using screwdrive. This was a few years back. I remember when the body was sold, the malfunction was listed as a positive feature.

yeah, my understand too only way has Aegon said a rare malfunction, or a older DSLR doens't support SDM then the screw drive will kick in. I wonder why wouldn't someone outhere could create a little program (like the Debug Mode,) to make it we can choose to use SDM or not in the camera.......just thinking here.

to get the SDM fix you can dry the DIY method here (a little search in the forum,) or send in to Pentax to fix it, should be roughly about $100. I did that to my DA*16-50mm, pretty happy about their services.

pxpaulx · 04-03-2012, 08:03 AM

As Aegon said, there isn't an option for it, plenty have clamored for it for years now, so 99.9% chance it'll never happen. Your best options are to pick up an old *IST body (D, DL, DS, DL2 or DS2 or the samsung equivalents), or best bet would be either a K100D (non-super version - the super denoted having SDM contacts), or a K10d with early pre-SDM firmware. K100d or K10d are the best options as you get some form of shake reduction.

nirVaan · 04-03-2012, 08:06 AM - **1 Like**

or Pentax just could put a firmware update.that would really increase the number of ppl buying this glass

Anvh · 04-03-2012, 09:10 AM

The SDM probably stop working for a reason so further use of the AF might break your lens even more.

pxpaulx · 04-03-2012, 10:37 AM

Originally posted by nirVaan

or Pentax just could put a firmware update.that would really increase the number of ppl buying this glass

Like I said, been brought up countless times, at this point it is long past never-gonna-happen territory.

Originally posted by Anvh

The SDM probably stop working for a reason so further use of the AF might break your lens even more.

Doubtful since it is the motor itself that fails.

Anvh · 04-03-2012, 04:02 PM

Originally posted by pxpaulx

Doubtful since it is the motor itself that fails.

Then why does it fail more in the DA*16-50 then for example the DA*60-250?

There is probably more to it then we know...

04-03-2012, 07:07 AM	#1
nirVaan Senior Member Join Date: Jul 2011 Location: Tokyo Posts: 115	can the 50-135mm used with screw drive mode in k5 hi guys im curious know whether you could turn off SDM and use the screw drive AF with K5 when using 50-135mm

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04-03-2012, 07:13 AM	#2
Aegon Site Supporter Join Date: Jan 2008 Location: Portland, OR Posts: 1,416	No. There are no settings or methods to make the K-5 use screwdrive on SDM-ready lenses. That said, one user here had a K20D that malfunctioned and started using screwdrive. This was a few years back. I remember when the body was sold, the malfunction was listed as a positive feature.

04-03-2012, 08:01 AM	#3
tcbubbleleo Site Supporter Join Date: Oct 2011 Location: Temple City CA Photos: Gallery \| Albums Posts: 726	Originally posted by Aegon No. There are no settings or methods to make the K-5 use screwdrive on SDM-ready lenses. That said, one user here had a K20D that malfunctioned and started using screwdrive. This was a few years back. I remember when the body was sold, the malfunction was listed as a positive feature. yeah, my understand too only way has Aegon said a rare malfunction, or a older DSLR doens't support SDM then the screw drive will kick in. I wonder why wouldn't someone outhere could create a little program (like the Debug Mode,) to make it we can choose to use SDM or not in the camera.......just thinking here. to get the SDM fix you can dry the DIY method here (a little search in the forum,) or send in to Pentax to fix it, should be roughly about $100. I did that to my DA*16-50mm, pretty happy about their services.

04-03-2012, 08:03 AM	#4
pxpaulx Veteran Member Join Date: May 2009 Location: Twin Cities, MN Posts: 2,867	As Aegon said, there isn't an option for it, plenty have clamored for it for years now, so 99.9% chance it'll never happen. Your best options are to pick up an old *IST body (D, DL, DS, DL2 or DS2 or the samsung equivalents), or best bet would be either a K100D (non-super version - the super denoted having SDM contacts), or a K10d with early pre-SDM firmware. K100d or K10d are the best options as you get some form of shake reduction.

04-03-2012, 08:06 AM - 1 Like	#5
nirVaan Senior Member Join Date: Jul 2011 Location: Tokyo Posts: 115 Original Poster	or Pentax just could put a firmware update.that would really increase the number of ppl buying this glass

04-03-2012, 09:10 AM	#6
Anvh Veteran Member Join Date: Sep 2011 Posts: 4,616	The SDM probably stop working for a reason so further use of the AF might break your lens even more.

04-03-2012, 10:37 AM	#7
pxpaulx Veteran Member Join Date: May 2009 Location: Twin Cities, MN Posts: 2,867	Originally posted by nirVaan or Pentax just could put a firmware update.that would really increase the number of ppl buying this glass Like I said, been brought up countless times, at this point it is long past never-gonna-happen territory. Originally posted by Anvh The SDM probably stop working for a reason so further use of the AF might break your lens even more. Doubtful since it is the motor itself that fails.

04-03-2012, 04:02 PM	#8
Anvh Veteran Member Join Date: Sep 2011 Posts: 4,616	Originally posted by pxpaulx Doubtful since it is the motor itself that fails. Then why does it fail more in the DA16-50 then for example the DA60-250? There is probably more to it then we know...