Pentax has announced that the D FA full frame lenses will have an aperture ring. Weather or not they have an
aperture simulator coupling is yet to be seen. The electronics in the lens would support using the aperture ring
on a the lens if the body supported it IIRC.


John Whittingham wrote:

Thanks Peter, basically I thought as much. This doesn't bode well for users of older Pentax models. It's nice to see some 3rd party manufacturers such as Tamron with the 28-75 XR Di retaining aperture control on the lens.

John

John Whittingham

Technician

---------- Original Message -----------
From: "Peter J. Alling" <[EMAIL PROTECTED]>
To: [email protected]
Sent: Thu, 27 Jan 2005 02:38:43 -0500
Subject: Re: Things I like about aperture rings on lenses (was Re: Pentax 50mm News)




They don't really, they meter wide open, and stop down, all the way, for exposure. I suppose that on an LX you'd get the proper exposure,
in automatic mode, but you'd have not a clue what your actual shutter speed would be until the shutter closed.


John Whittingham wrote:



Maybe we should let Pentax know and they can resolve the issue, soon :)

Something I've not got round to asking because I don't own a body aperture control camera or a lens without an aperture ring:

How do the new lenses perform on cameras without aperture control on the body? Say a Pentax LX, MX, KX.

John



---------- Original Message -----------
From: "Rob Studdert" <[EMAIL PROTECTED]>
To: [email protected]
Sent: Thu, 27 Jan 2005 09:09:51 +1000
Subject: Re: Things I like about aperture rings on lenses (was Re: Pentax 50mm News)






On 26 Jan 2005 at 21:59, John Whittingham wrote:





Now that's what I'd call progress :)




Hmm, yes, I still haven't seen such a list to show why thumb-wheel control is such an advantage over lens based aperture control :-)

Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT) +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998




------- End of Original Message -------






--
I can understand why mankind hasn't given up war. During a war you get to drive tanks through the sides of buildings and shoot foreigners - two things that are usually frowned on during peacetime. --P.J. O'Rourke


------- End of Original Message -------






--
I can understand why mankind hasn't given up war. During a war you get to drive tanks through the sides of buildings and shoot foreigners - two things that are usually frowned on during peacetime.
--P.J. O'Rourke





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