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Kibblelady · 10-03-2010, 11:08 AM

I picked up a few lenses and a old Pentax ME body a few days ago. One of the lenses, a Sigma High Power 70 - 230 w/ macro had me so excited but I did not notice that it had no auto setting on the F stop ring for automatic. When I put it on my K10d the F stop indicator just blinks away and it will not allow me to shoot at all. I really want to try this lens. Has any one any ideas on what I can do to get this to work? It is a K mount as it does mount to the camera, just no "A" setting on the F stop ring.

Cherri

Last edited by Kibblelady; 10-03-2010 at 11:13 AM.

Howdy · 10-03-2010, 11:16 AM

Does K10d have “Using aperture ring” setting? Did you set it to “Permitted”?
This could be helpful: Shooting manual lenses on Pentax DSLRs « robertsdonovan.com

Adam · 10-03-2010, 11:29 AM

It should work, as long as you enable the setting mentioned above. For details, check out the article that I've written regarding manual lens usage on Pentax DSLRs:

https://www.pentaxforums.com/forums/pentax-lens-articles/110657-how-use-manua...7-k-x-etc.html

Moved to the lens forum.

JeffJS · 10-03-2010, 01:59 PM

1. Change USING APERTURE RING in the custom menu to Permitted (pg 210)
2. Set your Preview for Optical (pg 169)
3. Put your lens on the camera and select a focal length (I usually go for the center of the zoom range, works for me).
4. Turn your mode dial to M
5. Pick a shutter speed that works for you or set the aperture you want to use with the aperture ring.
6. If you chose to set a shutter speed, Pull the preview to the right (Pg 170). As you turn the aperture ring you'll see two things. First, your image will get brighter or darker as you open or close the aperture. Second, you'll see the meter in the viewfinder. As you turn the aperture ring, aim to set the meter somewhere towards the center.
7. Take your picture. Adjust as needed, If needed, and retake the picture.
8. If you chose to set the aperture first, pull the lever and dial your shutter speed until the meter centers. Take your photo, check, adjust, retake if needed.

The above is an alternative to using the green button and IMO, a lot more fool proof. Use it if you like, or not...

Enjoy your new lens.

Kibblelady · 10-13-2010, 08:50 PM

Thank you sooo much guys! Fast and friendly, I like this board

10-03-2010, 11:08 AM	#1
Kibblelady New Member Join Date: Aug 2009 Location: Jersey Shore Posts: 19	Can I use this lens? I picked up a few lenses and a old Pentax ME body a few days ago. One of the lenses, a Sigma High Power 70 - 230 w/ macro had me so excited but I did not notice that it had no auto setting on the F stop ring for automatic. When I put it on my K10d the F stop indicator just blinks away and it will not allow me to shoot at all. I really want to try this lens. Has any one any ideas on what I can do to get this to work? It is a K mount as it does mount to the camera, just no "A" setting on the F stop ring. Cherri Last edited by Kibblelady; 10-03-2010 at 11:13 AM.

10-03-2010, 11:29 AM	#3
Adam Administrator Site Webmaster Join Date: Sep 2006 Location: Arizona Photos: Gallery \| Albums Posts: 51,608	It should work, as long as you enable the setting mentioned above. For details, check out the article that I've written regarding manual lens usage on Pentax DSLRs: https://www.pentaxforums.com/forums/pentax-lens-articles/110657-how-use-manua...7-k-x-etc.html Moved to the lens forum. Adam PentaxForums.com Webmaster (Site Usage Guide \| Site Help \| My Photography) PentaxForums.com server and development costs are user-supported. You can help cover these costs by donating or purchasing one of our Pentax eBooks. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, KEH, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

10-03-2010, 11:16 AM	#2
Howdy Forum Member Join Date: Feb 2010 Location: Poland Posts: 86	Does K10d have “Using aperture ring” setting? Did you set it to “Permitted”? This could be helpful: Shooting manual lenses on Pentax DSLRs « robertsdonovan.com

10-03-2010, 01:59 PM	#4
JeffJS Inactive Account Join Date: Aug 2008 Location: Michigan, USA Photos: Gallery \| Albums Posts: 7,484	1. Change USING APERTURE RING in the custom menu to Permitted (pg 210) 2. Set your Preview for Optical (pg 169) 3. Put your lens on the camera and select a focal length (I usually go for the center of the zoom range, works for me). 4. Turn your mode dial to M 5. Pick a shutter speed that works for you or set the aperture you want to use with the aperture ring. 6. If you chose to set a shutter speed, Pull the preview to the right (Pg 170). As you turn the aperture ring you'll see two things. First, your image will get brighter or darker as you open or close the aperture. Second, you'll see the meter in the viewfinder. As you turn the aperture ring, aim to set the meter somewhere towards the center. 7. Take your picture. Adjust as needed, If needed, and retake the picture. 8. If you chose to set the aperture first, pull the lever and dial your shutter speed until the meter centers. Take your photo, check, adjust, retake if needed. The above is an alternative to using the green button and IMO, a lot more fool proof. Use it if you like, or not... Enjoy your new lens.

10-13-2010, 08:50 PM	#5
Kibblelady New Member Join Date: Aug 2009 Location: Jersey Shore Posts: 19 Original Poster	Thank you sooo much guys! Fast and friendly, I like this board

Can I use this lens?

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