how to remove focusing ring from K50?

axl
Posted 28/09/2010 - 15:17 Link
Does anybody know how to perform that surgery?
So far I can take off:bayonet, aperture ring, distance scale ring, rear element, front element but I can't see how to take the focusing ring off and I need to do that!

any pointers and experiences are apreciated...

Regards

Peter
my PBase --- PPG
K-7 + O-ME53, K-x blue, AF280T, AF240Z, AF160SA
SMC: FA*24 - FA31ltd - DA*55 - FA100/2.8
Smeggypants
Posted 28/09/2010 - 15:30 Link
Maybe a long shot ....

The last time I came to a block when dismantling a lens I eventually found I had to remove a rubber grip and the way forward was underneath.
[i]Bodies: 1x K-5IIs, 2x K-5, Sony TX-5, Nokia 808
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283
axl
Posted 28/09/2010 - 15:40 Link
OK, but how do I remove the rubber grip without destroying it?
my PBase --- PPG
K-7 + O-ME53, K-x blue, AF280T, AF240Z, AF160SA
SMC: FA*24 - FA31ltd - DA*55 - FA100/2.8
Smeggypants
Posted 28/09/2010 - 15:45 Link
On the Sigma lens I dismantled the grip was a stretch fit, so I slid it off and used something to slide under it to help start the process. Can't remember what that was now though.
[i]Bodies: 1x K-5IIs, 2x K-5, Sony TX-5, Nokia 808
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283
Dangermouse
Posted 29/09/2010 - 21:58 Link
I've taken the rubber grip off a K 28-50mm, on that it was held on by friction and a thin film of glue. The glue cracked cleanly when I used a fingernail to lever against the edge of the rubber part.

I didn't bother re-gluing it, friction seems to be enough and there's no damage to the rubber.
Matt

Shooting the Welsh Wilderness with K-m, KX, MX, ME Super and assorted lenses.

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