For Sale: The Rest of it... GX20, 17-70mm......
Does it mean that you can maintain auto-focus when you mount the former, but not the latter?
Or do you lose AF with either? If not, what combination of tubes still maintains AF?
Thanks
Hope that helps!
"Real stupidity beats artificial intelligence every time." Terry Pratchett
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The AF on these tubes is a film designation that allowed it to maintain AF confirm on film cameras (well, I believe thats what it is!), there is no pass through for the AF screw drive, however there are pass throughs for all of the electrical contacts and aperture, so the camera can still see what lens you have attached etc.
Hope that helps!
Thanks, very helpful, didn't know they worked like that.
Good luck with your sale.

"Real stupidity beats artificial intelligence every time." Terry Pratchett
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Sigma 17-70mm reduced to £210 delivered.
Thanks!
"Real stupidity beats artificial intelligence every time." Terry Pratchett
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Thanks...
"Real stupidity beats artificial intelligence every time." Terry Pratchett
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"Real stupidity beats artificial intelligence every time." Terry Pratchett
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GX20 still available if anyone is looking for a camera body?

"Real stupidity beats artificial intelligence every time." Terry Pratchett
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"Real stupidity beats artificial intelligence every time." Terry Pratchett
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I was just curiosu as to if the camera is dust free?
Thanks
Pentax K5iis, Samsung GX-20, Pentax A 28, A 50, Tamron 28-70, 70-300
isdky
Member
Manchester
Listing the rest of my Pentax mount stuff in this thread.
Samsung GX20 in very good condition (approx 5100 shutter count) in original box with accessories. 3 batteries, shutter release cable, Ricoh XR Rikenon 50mm f/1.7 MF lens, set of Jessops auto extension tubes. Pentax travel flash, 4gb Sandisk Ultra 2 SDHC card.£465 delivered.
Sigma 17-70mm f/2.8-4.5 lens in orginal box, and in great condition with a few scuffs to lens hood, no marks on glass - has been my main lens on the GX20 and gives excellent results. £220 delivered.
Images of the GX20 -
Sigma 17-70mm Images -
Sorry for the thread being image heavy!!!
"Real stupidity beats artificial intelligence every time." Terry Pratchett
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