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SMC Pentax-DA* 50-135mm F2.8 ED [IF] SDM Serial Numbers - Specifications | ||||
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Like all current DA lenses, the SMC Pentax DA* 50-135mm is designed only for Pentax DSLR cameras. It was announced in late February, 2007. It auto-focuses with an SDM ultrasonic motor on the K10D (firmware 1.30) and newer cameras. On older cameras the lens will auto-focus with the 'screw drive' mechanism. Total Serials: 236 | ![50-135mm F2.8 ED [IF] SDM](https://www.pentaxforums.com/lensreviews/data/43/221200712935.jpg) | |||
| Serial / Avoid | Owner | Description | Location / Price | |
| 9290430 | Hidden | Hood mount repaired, but otherwise in excellent condition. | April, 2024 | |
| 9112764 | Hidden | Mint condition. | November, 2023 | |
| 9119074 | Hidden | Purchased used and in very good condition. Autofocus must be "coaxed into life" at times by turning the manual focus ring while holding the AF button at the back of the camera, but once it is working, autofocus speed and accuracy are acceptable. | April, 2023 | |
| 9291020 | Hidden | Already converted to screwdrive so no issues whatsoever. | November, 2022 | |
| 9112943 | Hidden | Gasket for WR extruding from seal near mount so I won’t trust that this is WR any more, needed +2 af focus adjustment but then very sharp, I’m very happy with the lens | May, 2022 | |
| 9001409 | Hidden | Bought it on the forum and everything works well! No problems! Great product. | April, 2022 | |
| 9004048 | Hidden | Purchased used in very good condition. Autofocus must be "coaxed into life" at times by turning the manual focus ring while holding the AF button at the back of the camera, but once it is working, autofocus speed and accuracy are acceptable. | March, 2022 | |
| 9300266 | Hidden | Second-hand lens, great condition. AF works very well. | October, 2021 | |
| 9003023 | Hidden | Geringe äußerliche Abnutzungsspuren. Objektiv ist voll nutzbar. SDM hat keine Einschränkungen. | June, 2021 | |
| 9116009 | Hidden | Boxed, complete. Like new. Tested. No issues with SDM. Very impressed with imaging. It's a tank! | May, 2021 | |
| 9295819 | Hidden | Perfect condition. No sdm problem | March, 2021 | |
| 9305164 | Hidden | Purchased this refurbished lens from a Canadian camera retail store. Comes with 1 year warranty. Good condition. So far so good. | February, 2021 | |
| 9116598 | Hidden | In great condition, the optical elements are free of dust, fungus, haze, scratches, externally looks good, no signs of major wear. | December, 2020 | |
| 9002438 | Hidden | Listed for sale with non-functional autofocus. Arrived with no electrical communication to camera at all (aperture and focal length). Quick shift jammed, focus manually moveable via screwdriver in rotating port when disconnected from camera. Residue in focal distance window suggests potential water damage. Requesting return shortly. | November, 2020 | |
| 9302431 | Hidden | No damage, very neat | September, 2020 | |
| 9303528 | Hidden | Complete with caps, hood, box etc. Wow - Immaculate, soo sharp. Just fantastic. | March, 2020 | |
| 9118619 | Hidden | Used but in excellent condition with box,caps,case, hood and manual. | December, 2019 | |
| 9111718 | Hidden | Works well. SDM is still fine as of 6/15/220 | September, 2019 | |
| 9002296 | Hidden | Purchased used. SDM does not work on my K200D; I can only use the lens in manual focus mode. However, SDM does work fine on my K100D-s and my K-S2. It is my only SDM lens, so it may be that the SDM circuit is bad on my K200D. The lens hood is a bit dinged up and only softly clicks into place, but it does attach okay. The glass is perfect and I'm happy with my purchase. | August, 2019 | |
| 9305824 | Hidden | New lens and initial check on auto-focus seems good. | May, 2019 | |
| 9305059 | Hidden | SDM often gets stuck at close focus and needs MF to refocus | March, 2019 | |
| 9009358 | Hidden | Saw this advertised at a pawn shop for $200 Canadian ($150 US) The SDM wasnt working and it had no lens hood otherwise in perfect condition. Offered $150 CDN and was accepted. Converted to screw drive. Lovely lens,very sharp on my K5 | March, 2019 | |
| 9117325 | Hidden | Perfect condition copy in all respects. Working SDM. All collateral materials present. Approximately a 2009-built lens judging by the Serial number sequence. Atr this price it doesn't matter whether the SDM breaks - I'm still in below value. | February, 2019 | |
| 9304600 | Hidden | I got this lens at an unbelievable price due to it sitting on the shelf of a dealership that doesn't now carry Pentax gear. The sticker price was $487 AUD, but there was a 50% off sale as well. The salesman thought it may have been an insurance replacement lens that was ordered but wasn't picked up. The serial number card with the lens is branded RICOH. | January, 2019 | |
| 9305933 | Hidden | New. Performs as expected. I should never have sold my old one. | January, 2019 | |
| 9110128 | Hidden | purchased with defektive SDM, successfully converted to screwdrive. otherwise flawless | December, 2018 | |
| 9305911 | Hidden | Bought brand new. It requires focus adjustment of +3. With this it is very sharp and even | November, 2018 | |
| 9291087 | Hidden | When recieved, SDM didn't work. Fixed by turning screw on back of SDM mechanism. | October, 2018 | |
| 9115444 | Hidden | Broken lens hood Broken SDM motor (reprogrammed for screw) | July, 2018 | |
| 9119048 | Hidden | Good condition, converted to SDM | June, 2018 | |
| 9301722 | Hidden | Excellent condition lens, except for failed SDM upon arrival. Roberts will accept return and refund 100%. Would keep for Screw Drive conversion, but they did not want to accept my refund offer. | February, 2018 | |
| 9305183 | Hidden | First thing I've noticed was loose focus ring which was more noticeable at far infinity. Second and even more unacceptable was spontaneous front/back focusing, AF fine tune didn't help. Third, focusing ring started to squeal in a week of testing. Image quality was just stunning though. I can't believe how could they put such a brilliant piece of glass in this garbage!? | December, 2017 | |
| 9296955 | Hidden | Purchased Used. SDM working and excellent images. | November, 2017 | |
| 9296704 | Hidden | Perfect condition | November, 2017 | |
| 9294820 | Hidden | I've only had this lens a few hours but SDM works fine. Checked focus using a Lenscal and it was spot on at all marked focus lengths. The manual focus on this lens is superb and since I use a number of Pentax M and A lenses as well as a number of Contax C/Y lenses with an adapter, also on a Contax RX, if the SDM fails using manual focus won't be a problem. This lens is very sharp and I think it rivals my Contax C/Y 28-85mm f2.8-3.3 lens. All of the Contax C/Y lenses are Zeiss. | June, 2017 | |
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