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Forum: Welcomes and Introductions 07-17-2013, 02:36 AM  
Hi there!
Posted By alexlomba87
Replies: 8
Views: 569
:-D Yep you're right, blessed with great light, but damned with bad politics. Just an ideal place for (photographic) holidays, maybe. Oh and it's about Central (I live in Tuscany) and southern Italy, I know northern Italy just a little. Anyway, thanks for your passage!
Forum: Troubleshooting and Beginner Help 07-15-2013, 11:56 AM  
smc PENTAX zoom 70 210 blocked aperture
Posted By alexlomba87
Replies: 11
Views: 1,535
GREAT! Problem solved! Thank you so much!
The bent was actually slight, and I didn't think that it could be the problem. I really can't figure out how could I bent the lever, also I would never notice that if I had not been told!
Thanks again also to everyone who answered!
Forum: Welcomes and Introductions 07-15-2013, 07:47 AM  
Hi there!
Posted By alexlomba87
Replies: 8
Views: 569
Thanks for the kind answer!
Here it is. For now I've only the few photos that I'm someway happy with.
500px / Alessio Lombardi / Photos
Forum: Troubleshooting and Beginner Help 07-15-2013, 07:38 AM  
smc PENTAX zoom 70 210 blocked aperture
Posted By alexlomba87
Replies: 11
Views: 1,535
Hi, thanks a lot for your extensive answer. I'll surely consider anything you said and I'll let you know asap. Anyway, I just wanted to point out that even manually setting the aperture on the ring and allowing my k200d to shoot with the right configuration, the aperture sticks to the max. So if I set the ring to F/32 I still have the same aperture that I have when setting the aperture ring to F/4. Sorry if I'm repeating or being unclear, I thought I've already said that., I just want to be sure I'm correctly explaining the situation. Sorry also for my poor italian-english and typos :)
Forum: Troubleshooting and Beginner Help 07-15-2013, 06:41 AM  
smc PENTAX zoom 70 210 blocked aperture
Posted By alexlomba87
Replies: 11
Views: 1,535
Hi, thanks for the reply. Is that a common probleM? I was wondering that. Strange thing is that the diaphraghm is actually moving properly when the lens is not attached to my Dslr.
Forum: Troubleshooting and Beginner Help 07-15-2013, 06:37 AM  
smc PENTAX zoom 70 210 blocked aperture
Posted By alexlomba87
Replies: 11
Views: 1,535
Hi there, thanks for your reply. That seem interesting; I've already thought about cleaning pins but I'll give it another try. Asap I'll check if the contact pin is properly retracting and extending ad you said; I wonder what I can do in case not. The thing is, if the pin is not extending the camera should show Like the "F--" signal on the display, am I wrong (similarly ad when not setting up the "a-mode" on the aperture ring) And that's not the case; more, even setting up e.g. F/32 on the aperture ring (no"a-mode") will result in a photo with an f/4 apeture.
Forum: Troubleshooting and Beginner Help 07-15-2013, 06:24 AM  
smc PENTAX zoom 70 210 blocked aperture
Posted By alexlomba87
Replies: 11
Views: 1,535
Hi Mark, thanks for your replay. Anyway, I've been using both my old Pentax zoom and my K200D for a while now (some years), and I think I really do know how to set them up. However I took a look to your well-written guide, but unfortunately It wasn't helpful. Thank you anyway.
Forum: Welcomes and Introductions 07-15-2013, 06:15 AM  
Hi there!
Posted By alexlomba87
Replies: 8
Views: 569
Hi, thank you for your welcome.
To share some photos, do I have to upload them on the forum or can I share a link to an external photo-sharing website? Is it prohibited by the forum rules? Thanks in advance.
Forum: Troubleshooting and Beginner Help 07-15-2013, 03:40 AM  
smc PENTAX zoom 70 210 blocked aperture
Posted By alexlomba87
Replies: 11
Views: 1,535
Hi there,

Just some days ago I realized that my beloved lens, the smc PENTAX ZOOM 1:4 70-210mm, had an aperture problem.
The aperture sticks to the maximum (f/4) whatever I do. I'm using this lens with both my DSLR (K200D) and the SLR (ME super). The internal mechanism seems ok, for two reasons: 1) Having the lens unmounted, rotating the aperture ring shows the diaphragm properly moving; 2) With the lens unmounted, if I move the "little lever" on the internal side of the lens (the one with gets attacked to the camera) which command the aperture, I can see the diaphragm moving properly.
The problem comes when I mount the lens on a camera.
I realized this with my DSLR: by setting the "A-mode" I no more can control the aperture, which sticks to maximum and mislead the exposure meter. For example, if I digitally set F/32 and read the exposure, the camera calculates the light as if the shot will be taken at F/32, but when shot I get an aperture of F/4 and a overexposed photo. The problem exist also when manually regulating the aperture (not using the "A-mode").
I haven't tryied yet if the problem exist also on my SLR, since I need some time to develop the film.

Does anyone have any tip for this? Any help would be so appreciated! Thanks in advance!
Forum: Welcomes and Introductions 07-15-2013, 03:09 AM  
Hi there!
Posted By alexlomba87
Replies: 8
Views: 569
Hi guys,

I'm Alessio, student of University of Pisa. I started taking photographs with my dad Pentax ME Super and then, some years ago, I bought a K200D.
I'm interested in long exposure landscape photos and architecture, currently I'm experimenting with Infrared (with both my SLR and the DSRL). Next I'm gonna try to learn something on portraits.
Cheers!
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