Is this the right adapter?

DarkSideofOZ · 01-22-2008, 10:16 AM

I bought a Tamron 90mm f/2.5 lens and I know I need a:
Tamron Adaptall 2 Adapter Pentax P/KA PK/A PKA
but I saw this: C02300 Tamron Adaptall-II Camera Adapter f/ Pentax K will that one work with manual focus?

Oh and btw... Jesus !@#$! Christ... 10 minutes just to LOAD this page?!?... why do these forums lag so much?

Nesster · 01-22-2008, 11:15 AM

That adaptor will work, the lens will behave like a K-M - on a digital body, you'll need to do stop down metering in manual mode but the lens will stop down & open back up when you take the photo. The K-A adaptor will give you the A functionality - you can shoot in program, aperture priority etc by setting the lens on 'A'.

Neither mount will give you autofocus.

The 90/2.5 is an awesome lens, I have one and simply love it.

01-22-2008, 10:16 AM	#1
DarkSideofOZ Junior Member Join Date: Jan 2008 Location: Dallas, Tx Posts: 35	Is this the right adapter? I bought a Tamron 90mm f/2.5 lens and I know I need a: Tamron Adaptall 2 Adapter Pentax P/KA PK/A PKA but I saw this: C02300 Tamron Adaptall-II Camera Adapter f/ Pentax K will that one work with manual focus? Oh and btw... Jesus !@#$! Christ... 10 minutes just to LOAD this page?!?... why do these forums lag so much?

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01-22-2008, 11:15 AM	#2
Nesster Veteran Member Join Date: Oct 2006 Location: NJ USA Photos: Gallery Posts: 13,072	That adaptor will work, the lens will behave like a K-M - on a digital body, you'll need to do stop down metering in manual mode but the lens will stop down & open back up when you take the photo. The K-A adaptor will give you the A functionality - you can shoot in program, aperture priority etc by setting the lens on 'A'. Neither mount will give you autofocus. The 90/2.5 is an awesome lens, I have one and simply love it.