Re: DA-40mm and spiders

2005-02-05 Thread Nick Clark
Ah, but I've already got the M ;-)

Nick

-Original Message-
From: Peter J. Alling[EMAIL PROTECTED]
Sent: 05/02/05 00:11:58
To: pentax-discuss@pdml.netpentax-discuss@pdml.net
Subject: Re: DA-40mm and spiders
  Since you can get the M lens for between 125 and 199 I doubt you save 
anything...

Nick Clark wrote:

Does this mean it's identical optically to my SMC-M 40mm f2.8, so I can 
save a fortune buying the new one?

Nick

-Original Message-
From: Lindamood, Mark[EMAIL PROTECTED]
   Second, Margus Mannik's observation of no DA 40mm vignetting 
through the PZ-1p viewfinder is also terrific.  Several have posted that the DA 
lenses throw only an APS-size image circle, but I can't see any reason why 
that's the case.  The DA 40mm objective element is exactly the same size as the 
original pancake, and the entire lens formulation is probably similar. Why 
would it throw a smaller circle?

What I'm getting at is whether the lens will work on the other Pentax 
bodies despite being advertised as exclusive to the *ist bodies.  Maybe Pentax 
is just trying to avoid sales competition with the 43 ltd.?  Margus, 
can you post one of your shots with that nice DA 40mm lens?




  



-- 
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







RE: DA-40mm and spiders

2005-02-04 Thread Nick Clark
Does this mean it's identical optically to my SMC-M 40mm f2.8, so I can save a 
fortune buying the new one?

Nick

-Original Message-
From: Lindamood, Mark[EMAIL PROTECTED]
   Second, Margus Mannik's observation of no DA 40mm vignetting through the 
PZ-1p viewfinder is also terrific.  Several have posted that the DA lenses 
throw only an APS-size image circle, but I can't see any reason why that's the 
case.  The DA 40mm objective element is exactly the same size as the original 
pancake, and the entire lens formulation is probably similar. Why would it 
throw a smaller circle?

What I'm getting at is whether the lens will work on the other Pentax 
bodies despite being advertised as exclusive to the *ist bodies.  Maybe Pentax 
is just trying to avoid sales competition with the 43 ltd.?  Margus, 
can you post one of your shots with that nice DA 40mm lens?





Re: DA-40mm and spiders

2005-02-04 Thread Peter J. Alling
Since you can get the M lens for between 125 and 199 I doubt you save 
anything...

Nick Clark wrote:
Does this mean it's identical optically to my SMC-M 40mm f2.8, so I can save a 
fortune buying the new one?
Nick
-Original Message-
   From: Lindamood, Mark[EMAIL PROTECTED]
  Second, Margus Mannik's observation of no DA 40mm vignetting through the PZ-1p viewfinder is also terrific.  Several have posted that the DA lenses throw only an APS-size image circle, but I can't see any reason why that's the case.  The DA 40mm objective element is exactly the same size as the original pancake, and the entire lens formulation is probably similar. Why would it throw a smaller circle?
   
   What I'm getting at is whether the lens will work on the other Pentax bodies despite being advertised as exclusive to the *ist bodies.  Maybe Pentax is just trying to avoid sales competition with the 43 ltd.?  Margus, can you post one of your shots with that nice DA 40mm lens?
   


 


--
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




DA-40mm and spiders

2005-02-03 Thread Lindamood, Mark
First, Rod Studdert's spider shot posted below is way terrific, despite his 
lousy gear.  Good on ya!  Here's it's north american cousin through a 100mm F 
and a bad scanner.

http://www.photo.net/photodb/photo?topic_id=1481msg_id=001U4Qphoto_id=265367photo_sel_index=0

Second, Margus Mannik's observation of no DA 40mm vignetting through the PZ-1p 
viewfinder is also terrific.  Several have posted that the DA lenses throw only 
an APS-size image circle, but I can't see any reason why that's the case.  The 
DA 40mm objective element is exactly the same size as the original pancake, and 
the entire lens formulation is probably similar. Why would it throw a smaller 
circle?

What I'm getting at is whether the lens will work on the other Pentax bodies 
despite being advertised as exclusive to the *ist bodies.  Maybe Pentax is just 
trying to avoid sales competition with the 43 ltd.?  Margus, can you 
post one of your shots with that nice DA 40mm lens?

http://www.eol.ee/~margus/arvutikasutaja/pancake.jpg





Re: DA-40mm and spiders

2005-02-03 Thread Alexandru-Cristian Sarbu
Maybe the only reason it's named a DA lens (and not D-FA) is the lack
of aperture ring?
It seems too good to be true... unfortunatelly, it won't match a ME Super :(
Well, time to get a Super Program grin

Alex Sarbu


On Thu, 3 Feb 2005 09:51:20 -0500, Lindamood, Mark [EMAIL PROTECTED] wrote:
 First, Rod Studdert's spider shot posted below is way terrific, despite his 
 lousy gear.  Good on ya!  Here's it's north american cousin through a 100mm F 
 and a bad scanner.
 
 http://www.photo.net/photodb/photo?topic_id=1481msg_id=001U4Qphoto_id=265367photo_sel_index=0
 
 Second, Margus Mannik's observation of no DA 40mm vignetting through the 
 PZ-1p viewfinder is also terrific.  Several have posted that the DA lenses 
 throw only an APS-size image circle, but I can't see any reason why that's 
 the case.  The DA 40mm objective element is exactly the same size as the 
 original pancake, and the entire lens formulation is probably similar. Why 
 would it throw a smaller circle?
 
 What I'm getting at is whether the lens will work on the other Pentax bodies 
 despite being advertised as exclusive to the *ist bodies.  Maybe Pentax is 
 just trying to avoid sales competition with the 43 ltd.?  Margus, can 
 you post one of your shots with that nice DA 40mm lens?
 
 http://www.eol.ee/~margus/arvutikasutaja/pancake.jpg
 




Re: DA-40mm and spiders

2005-02-03 Thread Thibouille
These are supposed to be FA-J aren't they?


Thibouille


On Thu, 3 Feb 2005 17:30:13 +0200, Alexandru-Cristian Sarbu
[EMAIL PROTECTED] wrote:
 Maybe the only reason it's named a DA lens (and not D-FA) is the lack
 of aperture ring?
 It seems too good to be true... unfortunatelly, it won't match a ME Super :(
 Well, time to get a Super Program grin
 
 Alex Sarbu
 
 
 On Thu, 3 Feb 2005 09:51:20 -0500, Lindamood, Mark [EMAIL PROTECTED] wrote:
  First, Rod Studdert's spider shot posted below is way terrific, despite his 
  lousy gear.  Good on ya!  Here's it's north american cousin through a 100mm 
  F and a bad scanner.
 
  http://www.photo.net/photodb/photo?topic_id=1481msg_id=001U4Qphoto_id=265367photo_sel_index=0
 
  Second, Margus Mannik's observation of no DA 40mm vignetting through the 
  PZ-1p viewfinder is also terrific.  Several have posted that the DA lenses 
  throw only an APS-size image circle, but I can't see any reason why that's 
  the case.  The DA 40mm objective element is exactly the same size as the 
  original pancake, and the entire lens formulation is probably similar. Why 
  would it throw a smaller circle?
 
  What I'm getting at is whether the lens will work on the other Pentax 
  bodies despite being advertised as exclusive to the *ist bodies.  Maybe 
  Pentax is just trying to avoid sales competition with the 43 ltd.?  
  Margus, can you post one of your shots with that nice DA 40mm lens?
 
  http://www.eol.ee/~margus/arvutikasutaja/pancake.jpg
 
 
 




Re: DA-40mm and spiders

2005-02-03 Thread Alexandru-Cristian Sarbu
Of course, but a FA-J (Junior) Limited lens?

Alex Sarbu


On Thu, 3 Feb 2005 17:05:54 +0100, Thibouille [EMAIL PROTECTED] wrote:
 These are supposed to be FA-J aren't they?
 
 
 Thibouille
 
 On Thu, 3 Feb 2005 17:30:13 +0200, Alexandru-Cristian Sarbu
 [EMAIL PROTECTED] wrote:
  Maybe the only reason it's named a DA lens (and not D-FA) is the lack
  of aperture ring?
  It seems too good to be true... unfortunatelly, it won't match a ME Super :(
  Well, time to get a Super Program grin
 
  Alex Sarbu
 
 
  On Thu, 3 Feb 2005 09:51:20 -0500, Lindamood, Mark [EMAIL PROTECTED] 
  wrote:
   First, Rod Studdert's spider shot posted below is way terrific, despite 
   his lousy gear.  Good on ya!  Here's it's north american cousin through a 
   100mm F and a bad scanner.
  
   http://www.photo.net/photodb/photo?topic_id=1481msg_id=001U4Qphoto_id=265367photo_sel_index=0
  
   Second, Margus Mannik's observation of no DA 40mm vignetting through the 
   PZ-1p viewfinder is also terrific.  Several have posted that the DA 
   lenses throw only an APS-size image circle, but I can't see any reason 
   why that's the case.  The DA 40mm objective element is exactly the same 
   size as the original pancake, and the entire lens formulation is probably 
   similar. Why would it throw a smaller circle?
  
   What I'm getting at is whether the lens will work on the other Pentax 
   bodies despite being advertised as exclusive to the *ist bodies.  Maybe 
   Pentax is just trying to avoid sales competition with the 43 
   ltd.?  Margus, can you post one of your shots with that nice DA 
   40mm lens?
  
   http://www.eol.ee/~margus/arvutikasutaja/pancake.jpg
  
  
 
 
 




Re: DA-40mm and spiders

2005-02-03 Thread Margus Männik
Hi,
FA-J lenses also have no aperture ring ... but ok, FA-J Limited would 
sound really strange. Somewhy it seems, that even Pentax official papers 
do not indicate this lens being suitable for film cameras.
Got my film developed today and there were some three shots made with 
pancake.
Unfortunatelly, only one of 'em is one more-or-less good ... it was the 
very end of the roll and I just had no time to find anything better to 
photograph but nearest available bushes. Sun goes down really quick in 
here at wintertime. Whatever -  myself, I do not see (at least 
significant) vignetting.
 
http://www.eol.ee/~margus/arvutikasutaja/frame34.jpg
(Z-1p (HyP/ spot metered from nearest tree / ML: f8 1/250s*), DA 40 
Limited, Fuji Sensia 100, local photo lab scan).

*)damn, I was searching all my pockets to find this piece of paper with 
exposure data

BR, Margus
Alexandru-Cristian Sarbu wrote:
Maybe the only reason it's named a DA lens (and not D-FA) is the lack
of aperture ring?
It seems too good to be true... unfortunatelly, it won't match a ME Super :(
Well, time to get a Super Program grin
Alex Sarbu
On Thu, 3 Feb 2005 09:51:20 -0500, Lindamood, Mark [EMAIL PROTECTED] wrote:
 

First, Rod Studdert's spider shot posted below is way terrific, despite his 
lousy gear.  Good on ya!  Here's it's north american cousin through a 100mm F 
and a bad scanner.
http://www.photo.net/photodb/photo?topic_id=1481msg_id=001U4Qphoto_id=265367photo_sel_index=0
Second, Margus Mannik's observation of no DA 40mm vignetting through the PZ-1p 
viewfinder is also terrific.  Several have posted that the DA lenses throw only 
an APS-size image circle, but I can't see any reason why that's the case.  The 
DA 40mm objective element is exactly the same size as the original pancake, and 
the entire lens formulation is probably similar. Why would it throw a smaller 
circle?
What I'm getting at is whether the lens will work on the other Pentax bodies 
despite being advertised as exclusive to the *ist bodies.  Maybe Pentax is just 
trying to avoid sales competition with the 43 ltd.?  Margus, can you 
post one of your shots with that nice DA 40mm lens?
http://www.eol.ee/~margus/arvutikasutaja/pancake.jpg



Re: DA-40mm and spiders

2005-02-03 Thread Godfrey DiGiorgi
DA to me would mean that it's optimized for the digital camera
sensors, and might not return the best results at corners and
edges on 24x36mm format. That does not mean that it would be
unusable, and it might in fact work quite well. 

It's not hard to make a 40mm lens that is well optimized for the
16x24mm digital sensors and is still perfectly  useful for 24x36
format. It's not like making a 14mm lens, where optimization for
the smaller format and overall size/weight/cost concerns means
it will likely NOT be a very good performer on a larger format. 

Godfrey




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