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Forum: Troubleshooting and Beginner Help
03-14-2020, 07:34 PM
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I have other sigma lenses, all work fine. include 18-35mm aspherical
---------- Post added 03-14-20 at 07:39 PM ----------
17-35mm f2.8-4 aspherical work just fine. if 12-24mm not work on my k70, I will think it is a lens problem. but it work well on k70. so the problem is something related to camera, K1. otherwise I can not explain why work on k70, but not on k1. and it worked on k1 before.
---------- Post added 03-14-20 at 07:45 PM ----------
I set as FF, not work. when I turn on K1, it automatically ask me to choose the focal length immediately, and I even can set f number to 1.2, which shows something wrong. it is f4.5-5.6 lens.
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Forum: Troubleshooting and Beginner Help
03-13-2020, 06:44 PM
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Thank You all，Is it possible to undo the firmware update, it all happen after I updated the firmware.
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Forum: Troubleshooting and Beginner Help
03-12-2020, 07:26 PM
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My K1 can not recognize this lens, ask me to put the focal length, and set as MF. but the lens autofocus works well on my k70, I does updated my K1 firmware to most current version recently. My k1 can autofocus this lens before. and after I set focul length， K1 can let me set F number to F1.4 on this lens. What should I do?
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Forum: Pentax K-70 & KF
12-19-2019, 08:04 PM
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a good camera. drop into the sea( only 2-3 seconds), and rinse off with water, no problem at all.
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Forum: Troubleshooting and Beginner Help
02-19-2019, 09:15 PM
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problem solved. it is in the setting. use aperture ring set as disabled. cause the problem.
---------- Post added 02-19-19 at 10:17 PM ----------
Thank you for all the help.
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Forum: Troubleshooting and Beginner Help
02-19-2019, 02:52 PM
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I have pentax k70 camera, I just bought an pentax FA * 24mm f2 lens. Camera can not recognize the lens. I also bought an pentax 85mm f2.8 soft lens, my camera can not recognize it also. I have pentax fa 100mm f2.8, which can be recognized by my camera. Do I need to adjust setting in the camera or my lens are not compatible with my camera. Thank you.
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