Re: RE: Upgrading to auto focus

2002-07-27 Thread Lawrence Kwan

On Fri, 26 Jul 2002 [EMAIL PROTECTED] wrote:
 The ZX-L does lack some of the features of the ZX-5N that serious
 photographers like. Spot metering is one of them
 If it had spot metering, I would go for it in a heart beat.

Actually, ZX-L does have spot metering.  The only limitation is that you
have to use it with AE-Lock.  Don't forget that ZX-L/MZ-6 also has some
extra features that ZX-5n lacks and serious photographers may like: such
as higher shutter speed and higher flash sync speed, more customizable
auto-bracketing settings, ability to have release-priority autofocus
(servo), full info display on external LCD, ability to select half-stops
shutter speed up to 30s, leaving film leader out on rewind, advanced flash
and IR remote.

 The more advanced flash metering is one thing that would make me
 consider the ZX-L.

I am also attracted to this feature.  The High speed sync, P-TTL and
automatic flash exposure compensation should make it easy to do balanced
daylight fill flash.


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Re: Upgrading to auto focus

2002-07-26 Thread Steve Larson

Thanks Fred! Bernd from Germany (PDML memeber) had a brochure
on the 200/3.5AF and it said it focused as fast as the eye.
Now, why didn`t Pentax make the 35-70/2.8AF in ManF? That would have
been a gem, considering its speed.
Steve Larson
Redondo Beach, California
- Original Message - 
From: Fred [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, July 26, 2002 10:57 AM
Subject: Re: Upgrading to auto focus


 Hi, Steve.
 
  You digress nicely ;)
 
 Thanks.  It's the result of years of practice...  g
 
  Out of curiosity, How did the VS1 200/3.5 AF lens perform?
 
 Quite well, in my opinion.  (Remember, though, that this is being
 judged by a manual focus sort of guy - g.)  Compared to the Ricoh
 50/2, the VS1 200/3.5 seemed quite snappy at focusing, and
 generally right on both for accuracy and for precision.  (The
 Ricoh seemed to be a little less likely to get the focus exactly
 right - whether this is the result of a design difference, a focal
 length difference, a sample difference, or what, I really don't
 know.)  The VS1 looks a lot better than the Ricoh, too - g.
 
 One interesting feature that I tried with the VS1 autofocus lens is
 attaching a TC to it - the loss of aperture speed doesn't seem to
 affect the autofocusing ability, since it's all in the lens - g.
 
 I've been having some fun playing with the focus confirmation
 function on the MEF, and the autofocusing functioning of the VS!,
 the Ricoh, and the Pentax SMC-AF 35-70/2.8 (which, by the way, and
 despite some bad press given it here on the PDML, is actually a
 pretty sharp little zoom lens - but I digress...).  g
 
 Fred
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Re: Re: Upgrading to auto focus

2002-07-26 Thread awrobinson

 From: [EMAIL PROTECTED] (Heiko Hamann)
 
 I'm owning a 28-70 f4 and the 28-105 f4-5,6 (which is a Pentax, but  
 originally built by Tamron afaik). I made some test pictures, but there  
 doens`t seem to be any notable difference between both. The 28-105 has  
 some advantages: its focal range includes the portrait length, it has a  
 better mechanical quality, the hood is included and it is inner focused  
 (i.e. you can use a polarizer). There is also an older 28-105  
 (powerzoom) and a newer 28-105 available, which I don't know.

Heiko, can you find out which 28-105 lens you own? Does anyone else have any 
experience or opinions on these? I like the range. It would mean swapping lenses much 
less frequently.

Thanks!

Andrew
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RE: Upgrading to auto focus

2002-07-26 Thread Paris, Leonard

With the PZ-1p, you can turn off auto-rewind with a PF setting (set PF 12 to
1).

Len
---

-Original Message-
From: Fred [mailto:[EMAIL PROTECTED]]
Sent: Friday, July 26, 2002 11:36 AM
To: [EMAIL PROTECTED]
Subject: Re: Upgrading to auto focus


 Given that I have a pretty nice suite of lenses for my Super
 Program and most of the Pentax auto focus cameras are backwardly
 compatible, staying with Pentax seemed natural.

I also have toyed with the idea of picking up an autofocus body to
experiment with (gasp! - say it ain't so, Fred), being a primarily
manual focus guy so far (all of my bodies are manual focus except
for a couple of collector MEF's) (and my experiments with some of
the primitive autofocus-within-the-lens-itself lenses such as the
VS1 200/3.5 and the Ricoh 50/2 don't really count).

I have to admit that my autofocus interest has been piqued a bit by
the ZX-5n's that my wife and my daughter-in-law now use - the ZX-5n
seems like a reasonably good body, sort of like a Super Program with
autofocus.  Well, sort of.

However, I do have some strong concerns about certain, um, er,
features that might possibly be forced on me by some of the
autofocus bodies.  To me, one of the most disquieting (no pun
intended) characteristics of some autofocus bodies would be the
automatic rewind at the end of a roll.  So, my number 1 question is:

#1.  Which specific past and present autofocus Pentax bodies allow
the ~user~ to determine when the spent roll of film is rewound back
into the cassette?  (I'd most like to arrive at a list of bodies to
choose from, starting with the SF1/SFX - actually, I think the SF1
does look like a pretty interesting body.)

To me, using in a required-to-be-quiet environment a camera
programmed to automatically rewind noisily at the end of the roll is
pretty similar to using a PS with built-in flash that can't be
turned off (or that the user doesn't know how to turn off) in a
visually quiet environment.

But I digress...

Fred
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Vs: RE: Upgrading to auto focus

2002-07-26 Thread Raimo Korhonen

The prisms - not porro - of lesser MZ models are made of mirrors, normal prism is 
solid glass. Porro is a different type of construction e.g. of mirrors or 2 more 
prisms. The only commercially successful SLRs that used porroprism finders were 
Olympus F series half-frame cameras. Also the accessory prism finder for Mamiyaflex 
6x6 TLRs was of porroprism type. And, before somebody points it out, the very first 
SLR with a prism finder the Hungarian Gamma Duflex of 1949 had this type of finder. 
The eyepiece of the porro finder is not directly above the lens axis which gives lower 
profile.
All the best!
Raimo
Personal photography homepage at http://www.uusikaupunki.fi/~raikorho

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Päivä: 26. heinäkuuta 2002 20:25
Aihe: Re: RE: Upgrading to auto focus


 From: Peter Alling [EMAIL PROTECTED]
 
 You might want the consider that the ZX-5n uses a pentaprism in it's
 viewfinder as opposed to the poro prism in the other ZX series cameras.
 
What's the difference between a pentaprism and a poro prism?

Andrew
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Re: Upgrading to auto focus

2002-07-26 Thread Bojidar Dimitrov

Hi Steve,

Steve Larson wrote:
 
 Thanks Fred! Bernd from Germany (PDML memeber) had a brochure
 on the 200/3.5AF and it said it focused as fast as the eye.
 Now, why didn`t Pentax make the 35-70/2.8AF in ManF? That would have
 been a gem, considering its speed.

Well, they sort of did.  Have you forgotten the M35-70/2.8-3.5 ?

Cheers,
Boz
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