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|| SportsShooter.com: Member Message Board Broken Sigma 15mm Fisheye Max Gersh, Photographer, Photo Editor New Castle | IN | USA | Posted: 3:00 PM on 08.30.10 ->> I was shooting with my Sigma 15mm f/2.8 EX Fisheye lens (Canon mount) the other night and as I was changing the aperture, I noticed that the actual exposure wasn't changing. When I got the images back to a computer, I noticed the photos were very blurry in the corners. This lens was sharp corner to corner since I bought it new in 2004. Also, when I press the DOF preview, the lens makes a strange clicky sound but the view doesn't change. I assume this is something to do with broken aperture blades. As is, the lens would work as a f/2.8 lens all of the time other than the extreme blur in the corners and around the edge. Any guess on the problem exactly? Also, where is a good place to send a Sigma lens for repair? Here is a sample of the image it is producing. http://www.sportsshooter.com/mrsloth36/fisheye/ Thanks in advance for any help. -Max Gersh-  This post is:  Informative (0) | Funny (0) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions Eric Canha, Photographer Brockton | MA | United States | Posted: 3:42 PM on 08.30.10 ->> Max I don't know about Canon but on Nikon lenses there is a lever at the 7 o'clock position on the lens mount that couples with the camera's aperture control arm. If you move the lever on the lens the aperture blades open and close. Sometimes in the heat of battle the lever gets bent mounting or unmounting from the body.  This post is:  Informative (0) | Funny (0) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions Nina Zhito, Photographer bay area | CA | | Posted: 3:30 PM on 09.13.10 ->> These folks fixed my 14mm Sigma / Nikon mount 2.8. They were fast, not stupidly expensive, courteous... I would recommend with confidence... Nina Customer Service Dpet. C.R.I.S. Camera Services 250 North 54th Street Chandler, AZ 85226 480-940-1103 fax 480-940-1329 www.criscam.com  This post is:  Informative (0) | Funny (0) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions Patrick Murphy-Racey, Photographer Powell | TN | USA | Posted: 10:39 PM on 09.13.10 ->> the image looked pretty cool... like a lensbaby with a true fisheye... sharp in the middle and fuzzy at the edges... hmmmm....  This post is:  Informative (0) | Funny (0) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions Max Gersh, Photographer, Photo Editor New Castle | IN | USA | Posted: 11:40 PM on 09.13.10 ->> Eric, no pins. Nina, thanks.I'll look into them. Patrick, I have a fisheye for sale. ;-)  This post is:  Informative (0) | Funny (0) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions Add your comments... If you'd like to add your comments to this thread, use this form. You need to be an active (paying) member of SportsShooter.com in order to post messages to the system. NOTE: If you would like to report a problem you've found within the SportsShooter.com website, please let us know via the 'Contact Us' form, which alerts us immediately. It is not guaranteed that a member of the staff will see your message board post. Thread Title: Broken Sigma 15mm Fisheye Thread Started By: Max Gersh Message: Member Login: Password: Return to --> Message Board Main Index

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