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Forum: Pentax SLR Lens Discussion
03-10-2011, 02:20 PM
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I did the same too. It is very easy to take apart and cleaning the aperture blades is also pretty easy as well. I have a standing light that points upward and I put my lens open side down to clean the aperture blades. This way dust wouldn't fall inside the lens. I used lighter fluid as the solvent and it did leave some residue after it dried up. I gently rubbed them off with my finger (be really careful here as you can easily misalign the blades). The Q tips worked well but as the previous posting said it WILL shred lints on the aperture blades. They tend to get stuck in between the blades so be careful around the gap of the blades. Be sure to change Q tip frequently. I used about 6 for the whole job. It took me around 20 minutes to finish and wait for the blade to dry completely. Good luck!
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Forum: Sold Items
03-08-2011, 09:43 PM
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Forum: Sold Items
03-08-2011, 08:15 AM
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Forum: General Talk
04-08-2010, 07:10 AM
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Forum: Pentax DSLR Discussion
04-02-2010, 09:34 AM
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I have a K-x for 3 months. I totally agree that the K-x got some blurry images at low shutter speeds after I do a vertical 90 CW shot with the same shutter speed.
All I did was set the camera to 1/60 take some perfectly good pictures in normal horzontal position (I call this Step A) - then take one in vertical 90 CW position (Call this Step B). Then THINGS START SCREWING UP!
I will have a blurry images even when I place the camera on a stable surface in the normal position. (Step C)
The ONLY WAY to "fix" this is to turn the drive mode into continuous mode either low or hi speed (Step D). The first picture always blurry, but the seocnd picture and on in the continuous mode is clear (just like Photo A mentioned above). This is a DETERMINISTIC procedure to get to the blurry / mirror slap problem for me, which means when I follow the steps through, I always get the blurry results in Step C. I hope Pentax can fix this. N.B. I have the firmwave update already and I am using Lithium batteries for this test.
After a while, the mirror slap seems to be going away after I repeat step D enough and switch on a off the camera enough. If you are interested, please try as I do, and let me know. If you don't see the same thing, I have a defective k-x. Thanks!
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Forum: Sold Items
03-23-2010, 05:01 AM
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PM Sent for the Pentax Takumar Bayonet F2.5 - 135mm.
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