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Forum: Pentax SLR Lens Discussion
07-24-2017, 12:49 AM
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Hello all,
I just got my Asahi Pentax-M 50mm f1.4 in very bad condition (at a very cheap price with a vintage Pentax-ME, flash light, zoom lens and 2x tele-converter). I'm trying to clean it up over the weekend and I found that the center group lens unable to clean up after several attempts. This lens contains 7 lens in 6 groups, so that means got 2 lens obviously in 1 of the group and it's balsam glued together. I'm trying to disassembly the center unit until I'm stuck in removing the group lens out from the unit. Photos as below is where I'm currently stuck at. Any one of you know how to remove this group lens and remove the hazy glue and re-glue it back?
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Forum: Pentax SLR Lens Discussion
10-02-2018, 05:53 PM
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Besides Canadian balsam, you can use epoxy or UV curable glass cement but once you use it, it's harder for you to separate them in future if compare to Canadian balsam.
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Forum: Pentax SLR Lens Discussion
12-26-2017, 07:57 AM
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Alright, here are some finished assembly pics of the lens after done the cleaning:
And below is the photo taken by that lens:
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Forum: Pentax SLR Lens Discussion
08-08-2017, 08:24 AM
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Some in progress photos for the lens disassembly:
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