Re: 100/2.8 Macro Issue - Thoughts?

2012-05-05 Thread Tom C
That -- readout is normal.  What is slightingly referred to as the crippled K-mount on all the DSLRs doesn't have the aperture follower linkage, so there is no way for the body to know what the aperture ring on the lens is set to (other than the separate A position detection). It still

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-04 Thread P. J. Alling
You can try bending it back into place yourself, or try sending it to someone for repair. I've had good luck and bad luck with both options. On 5/3/2012 4:19 PM, Tom C wrote: Yep, when you mount the lens and the viewfinder is dark, then your aperture lever isn't aligning with the

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-04 Thread Tom C
Tom, Just bend it back 1 or 2 mm's then check again. You're probably just hanging up a bit on the sides. Regards,  Bob S. Thanks Bob. If I break it I'll send it to Larry. :) Tom C. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-04 Thread Bob Sullivan
If you break it, you can send it to Eric for repair... On Fri, May 4, 2012 at 8:33 AM, Tom C caka...@gmail.com wrote: Tom, Just bend it back 1 or 2 mm's then check again. You're probably just hanging up a bit on the sides. Regards,  Bob S. Thanks Bob. If I break it I'll send it to Larry.

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-04 Thread Darren Addy
First thing to try in any of these errors that might be caused by a communication problem between the lens and the camera is to clean the contacts on both the body and the lens. A clean pencil eraser has been recommended (and used successfully by me in the past). You should not rub hard enough

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-04 Thread Tom C
On Fri, May 4, 2012 at 8:33 AM, Tom C caka...@gmail.com wrote: Tom, Just bend it back 1 or 2 mm's then check again. You're probably just hanging up a bit on the sides. Regards, ?Bob S. Thanks Bob. If I break it I'll send it to Larry. :) Tom C. Well I bent the aperture lever back away

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-04 Thread John Francis
On Fri, May 04, 2012 at 12:29:25PM -0600, Tom C wrote: Other information as I've experimented. If I leave the lens in a non-A setting, and remove it from the camera and put it back on, operation is fine. If I set the lens to the 'A' setting and remount it, the symptoms recur (darkish

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-04 Thread John Sessoms
From: Tom C This may be going in for repair. Does anyone know if Pentax will still repair an FA 100/2.8 Macro? Tom C. If they won't someone has favorably mentioned a shop somewhere in New Jersey a couple times. -- PDML Pentax-Discuss Mail List PDML@pdml.net

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-04 Thread Bob Sullivan
Eric Hendrickson in Sharps Chapel(?), TN is good, a former Pentax technician, and very reasonable. (He retired from Chicago.) He is also known as 'Pentax Repair'. See here http://pentaxs.com/ Regards, Bob S. On Fri, May 4, 2012 at 6:10 PM, John Sessoms jsessoms...@nc.rr.com wrote: From: Tom

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-03 Thread Tom C
Yep, when you mount the lens and the viewfinder is dark, then your aperture lever isn't aligning with the body...probably bent. Regards,  Bob S. On Fri, Apr 27, 2012 at 8:12 PM, John Francis jo...@panix.com wrote: On Fri, Apr 27, 2012 at 04:34:57PM -0600, Tom C wrote: Yeah that was stupid

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-03 Thread Larry Colen
On May 3, 2012, at 1:19 PM, Tom C wrote: Belated thanks John and Bob. The aperture lever does seem to be slightly bent, inward towards the center of the image circle. I can pull it down, let go, and it springs back. However, if I slowly pull it down firmly and take my finger off, it

Re: 100/2.8 Macro Issue - Thoughts?

2012-05-03 Thread Bob Sullivan
Tom, Just bend it back 1 or 2 mm's then check again. You're probably just hanging up a bit on the sides. Regards, Bob S. On Thu, May 3, 2012 at 3:19 PM, Tom C caka...@gmail.com wrote: Yep, when you mount the lens and the viewfinder is dark, then your aperture lever isn't aligning with the

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-28 Thread P. J. Alling
Gremlins. On 4/27/2012 5:13 PM, Tom C wrote: I've started having problems with this lens that are weird. I don't think it's operator error... It didn't want to AF last time I had it on (was using more as a telephoto). I just mounted it again, and had the same issue. It seems to hunt a bit but

100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread Tom C
I've started having problems with this lens that are weird. I don't think it's operator error... It didn't want to AF last time I had it on (was using more as a telephoto). I just mounted it again, and had the same issue. It seems to hunt a bit but does not achieve focus and stops. It was on the

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread Jeffery Smith
My is seriously prone to search wildly for focus when I'm shooting close objects. Jeffery On Apr 27, 2012, at 4:13 PM, Tom C wrote: I've started having problems with this lens that are weird. I don't think it's operator error... It didn't want to AF last time I had it on (was using more

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread Bob Sullivan
I run into operator error sometimes when I lock the focus inadvertantly when I take the lens on and off. Regards, Bob S. On Fri, Apr 27, 2012 at 4:13 PM, Tom C caka...@gmail.com wrote: I've started having problems with this lens that are weird. I don't think it's operator error... It didn't

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread Leon Altoff
You don't say if you are using the F, FA, DA or DA WR version. My FA100 will sometimes refuse to get a focus lock and sit at infinity. I press in the mount lock button to release the AF drive and manually focus to approximate focus and it then seems to work ok till the next time it decides it

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread Tom C
You don't say if you are using the F, FA, DA or DA WR version.  My FA100 will sometimes refuse to get a focus lock and sit at infinity. I press in the mount lock button to release the AF drive and manually focus to approximate focus and it then seems to work ok till the next time it decides

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread Jack Davis
, April 27, 2012 3:34 PM Subject: Re: 100/2.8 Macro Issue - Thoughts? You don't say if you are using the F, FA, DA or DA WR version.  My FA100 will sometimes refuse to get a focus lock and sit at infinity. I press in the mount lock button to release the AF drive and manually focus to approximate

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread Mark C
On 4/27/2012 5:13 PM, Tom C wrote: I've started having problems with this lens that are weird. I don't think it's operator error... It didn't want to AF last time I had it on (was using more as a telephoto). I just mounted it again, and had the same issue. It seems to hunt a bit but does not

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread John Francis
On Fri, Apr 27, 2012 at 04:34:57PM -0600, Tom C wrote: Yeah that was stupid of me. It's the tank-artillery-shell-bodied FA/100 2.8 Macro. It seems to be related to the aperture lever/control on the lens. It appears through the viewfinder that it's totally stopped down in 'A' mode, even

Re: 100/2.8 Macro Issue - Thoughts?

2012-04-27 Thread Bob Sullivan
Yep, when you mount the lens and the viewfinder is dark, then your aperture lever isn't aligning with the body...probably bent. Regards, Bob S. On Fri, Apr 27, 2012 at 8:12 PM, John Francis jo...@panix.com wrote: On Fri, Apr 27, 2012 at 04:34:57PM -0600, Tom C wrote: Yeah that was stupid of