Re: Long zoom recommendations

2004-10-20 Thread Raimo K
the best! Raimo K Personal photography homepage at: http://www.uusikaupunki.fi/~raikorho - Original Message - From: William Robb [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 19, 2004 9:33 PM Subject: Re: Long zoom recommendations - Original Message - From: Raimo K

Re: Long zoom recommendations

2004-10-20 Thread Raimo K
. All the best! Raimo K Personal photography homepage at: http://www.uusikaupunki.fi/~raikorho - Original Message - From: Keith Whaley [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 19, 2004 8:41 PM Subject: Re: Long zoom recommendations Then what would those experts CALL

Re: Long zoom recommendations

2004-10-20 Thread Keith Whaley
failed to catch my error. Tsk, tsk... On the other hand, I'm not trying to impress anyone, merely be correct. Raimo K - Original Message - From: Keith Whaley [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 19, 2004 8:41 PM Subject: Re: Long zoom recommendations Then what

Re: Long zoom recommendations

2004-10-19 Thread Raimo K
Subject: RE: Long zoom recommendations On 18 Oct 2004 at 23:26, J. C. O'Connell wrote: I don't think outside the box when inside the box is the preferred method. I cant think of a single instance where I have read anything regarding optical distortion where they were Surely you can't

Re: Long zoom recommendations

2004-10-19 Thread Raimo K
- From: J. C. O'Connell [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 19, 2004 7:27 AM Subject: RE: Long zoom recommendations I'm not being closed minded, I'm being correct on the matter. Distortion abberations are interchangable optical terms. distortion is one particular

Distortion (was: Long zoom recommendations)

2004-10-19 Thread Dario Bonazza
7:53 AM Subject: Re: Long zoom recommendations Stop laughing. Distortion is not an aberration. By distortion you describe a situation when e.g. straight lines are not reproduced straight. Distortion: Causes image of window frame (for example) to bow out (barrel type) or in (pincushion type

Re: Long zoom recommendations

2004-10-19 Thread Rob Studdert
On 19 Oct 2004 at 8:53, Raimo K wrote: Stop laughing. Distortion is not an aberration. By distortion you describe a situation when e.g. straight lines are not reproduced straight. Distortion: Causes image of window frame (for example) to bow out (barrel type) or in (pincushion type), but does

Re: Distortion (was: Long zoom recommendations)

2004-10-19 Thread Mishka
Subject: Re: Long zoom recommendations Stop laughing. Distortion is not an aberration. By distortion you describe a situation when e.g. straight lines are not reproduced straight. Distortion: Causes image of window frame (for example) to bow out (barrel type) or in (pincushion type

Re: Long zoom recommendations

2004-10-19 Thread William Robb
- Original Message - From: Raimo K Subject: Re: Long zoom recommendations You are mixing things up. Distortion is not an aberration. There are meny types of aberrations - like chromatic aberrations, coma etc. - but distortion is not one of them. http://scienceworld.wolfram.com/physics

Re: Long zoom recommendations

2004-10-19 Thread William Robb
- Original Message - From: Raimo K Subject: Re: Long zoom recommendations Stop laughing. Distortion is not an aberration. Distortion is one of the six optical aberations. William Robb

Re: Long zoom recommendations

2004-10-19 Thread Frantisek
RS didn't, it was that simple. Strangely I (and I expect most other listers) still RS understood and appreciated the point he was making, and that's the point. What's more LOL that everybody understood what he mant by distortion except the nitpicking types ;-) Good light! fra

Re: Long zoom recommendations

2004-10-19 Thread Raimo K
Vignetting? All the best! Raimo K Personal photography homepage at: http://www.uusikaupunki.fi/~raikorho - Original Message - From: William Robb [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 19, 2004 3:26 PM Subject: Re: Long zoom recommendations - Original

Re: Long zoom recommendations

2004-10-19 Thread Raimo K
Not according to experts. All the best! Raimo K Personal photography homepage at: http://www.uusikaupunki.fi/~raikorho - Original Message - From: William Robb [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 19, 2004 3:24 PM Subject: Re: Long zoom recommendations

Re: Long zoom recommendations

2004-10-19 Thread Keith Whaley
whaley Raimo K wrote: Not according to experts. All the best! Raimo K - Original Message - From: William Robb [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 19, 2004 3:24 PM Subject: Re: Long zoom recommendations - Original Message - From: Raimo K Subject: Re: Long

Re: Long zoom recommendations

2004-10-19 Thread William Robb
- Original Message - From: Raimo K Subject: Re: Long zoom recommendations Not according to experts. Which experts are you quoting? I quoted one, shall I quote a few more? Or are you the expert in question? William Robb Stop laughing. Distortion is not an aberration. Distortion

Re: Long zoom recommendations

2004-10-18 Thread Raimo K
] To: [EMAIL PROTECTED] Sent: Monday, October 18, 2004 1:38 AM Subject: Re: Long zoom recommendations In tests the Sigma 70-300 APO comes a poor second to the Pentax FA 80-320! John -- Original Message --- From: Raimo K [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Sun, 17 Oct

RE: Long zoom recommendations

2004-10-18 Thread John Whittingham
-- Original Message --- From: Don Sanderson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Sun, 17 Oct 2004 18:20:49 -0500 Subject: RE: Long zoom recommendations I'm glad to hear that. I've been unhappy with my Sigma 70-300, especially on the ist-D. I ordered an 80-320 Pentax from KEH

Re: Long zoom recommendations

2004-10-18 Thread John Whittingham
: Long zoom recommendations Hah, this is simply not true. Sigma is a lot better in the long end than the 80-320 Pentax - which is not near 320 in reality. All the best! Raimo K Personal photography homepage at: http://www.uusikaupunki.fi/~raikorho - Original Message - From: John

Re: Long zoom recommendations

2004-10-18 Thread Raimo K
://www.uusikaupunki.fi/~raikorho - Original Message - From: John Whittingham [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, October 18, 2004 10:40 AM Subject: Re: Long zoom recommendations Hah, this is simply not true. Would you like to see some scientific proof? I'll scan you

RE: Long zoom recommendations

2004-10-18 Thread wendy beard
--- Don Sanderson [EMAIL PROTECTED] wrote: I'm glad to hear that. I've been unhappy with my Sigma 70-300, especially on the ist-D. I ordered an 80-320 Pentax from KEH last night after reading reviews. The Sigma isn't really a bad lens, it just seems very inconsistent from stop to stop

Re: Long zoom recommendations

2004-10-18 Thread cbwaters
Wendy, Buy the FAJ and test all three so I can benefit from your experience ;) CW - Original Message - From: wendy beard [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, October 18, 2004 2:07 PM Subject: RE: Long zoom recommendations --- Don Sanderson [EMAIL PROTECTED] wrote: I'm

Re: Long zoom recommendations

2004-10-18 Thread Herb Chong
: Sunday, October 17, 2004 7:20 PM Subject: RE: Long zoom recommendations I've been unhappy with my Sigma 70-300, especially on the ist-D. I ordered an 80-320 Pentax from KEH last night after reading reviews. The Sigma isn't really a bad lens, it just seems very inconsistent from stop to stop

RE: Long zoom recommendations

2004-10-18 Thread J. C. O'Connell
To: [EMAIL PROTECTED] Subject: Re: Long zoom recommendations at the long end, there is plenty of corner distortion unless you stop down a lot, even on the *istD. i got that i really don't use mine unless i have to forego the weight of my FA* 80-200/2.8. Herb... - Original Message - From: Don

RE: Long zoom recommendations

2004-10-18 Thread Rob Studdert
On 18 Oct 2004 at 22:14, J. C. O'Connell wrote: secondly I have never a lens yet that stopping down reduced distortion, distortion is fixed regardless of fstop. Optical distortions/aberrations other than obvious geometric distortions are often affected by stopping down. Think outside the

RE: Long zoom recommendations

2004-10-18 Thread J. C. O'Connell
distortion is a term used in optics nearly always if not always associated with geometry and it doesn't improve with stopping down. jco -Original Message- From: Rob Studdert [mailto:[EMAIL PROTECTED] Sent: Monday, October 18, 2004 10:54 PM To: [EMAIL PROTECTED] Subject: RE: Long zoom

Re: Long zoom recommendations

2004-10-18 Thread Herb Chong
like Rob says, think outside the box. abberations are distortions too. Herb... - Original Message - From: J. C. O'Connell [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, October 18, 2004 10:14 PM Subject: RE: Long zoom recommendations what do you mean by corner distortion

RE: Long zoom recommendations

2004-10-18 Thread J. C. O'Connell
: Herb Chong [mailto:[EMAIL PROTECTED] Sent: Monday, October 18, 2004 11:02 PM To: [EMAIL PROTECTED] Subject: Re: Long zoom recommendations like Rob says, think outside the box. abberations are distortions too. Herb... - Original Message - From: J. C. O'Connell [EMAIL PROTECTED

RE: Long zoom recommendations

2004-10-18 Thread Rob Studdert
On 18 Oct 2004 at 23:26, J. C. O'Connell wrote: I don't think outside the box when inside the box is the preferred method. I cant think of a single instance where I have read anything regarding optical distortion where they were NOT referring to geometric distortion. The other types of

Re: Long zoom recommendations

2004-10-18 Thread William Robb
- Original Message - From: J. C. O'Connell Subject: RE: Long zoom recommendations distortion is a term used in optics nearly always if not always associated with geometry and it doesn't improve with stopping down. Technically correct. Distortion: An optical aberration caused because

RE: Long zoom recommendations

2004-10-18 Thread J. C. O'Connell
, are NOT optical distortion. They are what they are, those kinds of abberations. JCO -Original Message- From: Rob Studdert [mailto:[EMAIL PROTECTED] Sent: Monday, October 18, 2004 11:53 PM To: [EMAIL PROTECTED] Subject: RE: Long zoom recommendations On 18 Oct 2004 at 23:26, J. C. O'Connell wrote: I

Re: Long zoom recommendations

2004-10-17 Thread John Whittingham
-- Original Message --- From: Fred [EMAIL PROTECTED] To: Peter Belak [EMAIL PROTECTED] Sent: Sat, 16 Oct 2004 21:15:07 -0400 Subject: Re: Long zoom recommendations Hi, Peter. I would like to add some longer lens to my small collection. The longest lens I have is my favorite M 135

Re: Long zoom recommendations

2004-10-17 Thread Peter Belak
Hello Fred, I'd suggest, for manual focus lenses, perhaps the A 70-210/4, if that's long enough, or the Tokina AT-X 100-300/4 (one of my favorite lenses). Thanks for recommendation. I was thinking about A 70-210/4 and I even tried to get one on ebay, but it went too high. Is it really that

RE: Long zoom recommendations

2004-10-17 Thread Don Sanderson
PROTECTED] Sent: Sunday, October 17, 2004 8:03 AM To: [EMAIL PROTECTED] Subject: Re: Long zoom recommendations Hello Fred, I'd suggest, for manual focus lenses, perhaps the A 70-210/4, if that's long enough, or the Tokina AT-X 100-300/4 (one of my favorite lenses). Thanks

RE: Long zoom recommendations

2004-10-17 Thread Don Sanderson
Here's a link to the Nikon version of the AT-X 100-300: http://tinyurl.com/6nf7v It shows what it looks like and some info. Don -Original Message- From: Peter Belak [mailto:[EMAIL PROTECTED] Sent: Sunday, October 17, 2004 8:03 AM To: [EMAIL PROTECTED] Subject: Re: Long zoom

Re: Long zoom recommendations

2004-10-17 Thread Peter Belak
It shows what it looks like and some info. Thanks for info, it looks good. But I did not find any in K mount, not even in completed listings. Peter B.

Re: Long zoom recommendations

2004-10-17 Thread Paul Stregevsky
Peter asked: I was thinking about A 70-210/4... Is it really that good? Yes, Peter, it is that good. Pentax made three or four manual-focus zooms whose results are, in every respect, indistinguishable from a great prime. The 70-210/4 is one of them. The others that come to mind are the

Re: Long zoom recommendations

2004-10-17 Thread Peter Belak
Yes, Peter, it is that good. Pentax made three or four manual-focus zooms whose results are, in every respect, indistinguishable from a great prime. The 70-210/4 is one of them. The others that come to mind are the 35-105/3.5 PKA and 75-150/4 (M? K?). Thanks for this. I already found one on

Re: Long zoom recommendations

2004-10-17 Thread Fred
Hi, Peter. I was thinking about A 70-210/4 and I even tried to get one on ebay, but it went too high. Is it really that good? I think it's quite a good zoom. It's a zoom, of course, and not a prime, but it's a very good zoom. If you want one on eBay, then keep looking - they show up there

Re: Long zoom recommendations

2004-10-17 Thread Raimo K
, 2004 8:33 PM Subject: Re: Long zoom recommendations Peter asked: I was thinking about A 70-210/4... Is it really that good? Yes, Peter, it is that good. Pentax made three or four manual-focus zooms whose results are, in every respect, indistinguishable from a great prime. The 70-210/4 is one

Re: Long zoom recommendations

2004-10-17 Thread Alan Chan
Peter asked: I was thinking about A 70-210/4... Is it really that good? Yes, Peter, it is that good. Pentax made three or four manual-focus zooms whose results are, in every respect, indistinguishable from a great prime. The 70-210/4 is one of them. I am not quite agree. While the SMC PENTAX-A

Re: Long zoom recommendations

2004-10-17 Thread John Whittingham
In tests the Sigma 70-300 APO comes a poor second to the Pentax FA 80-320! John -- Original Message --- From: Raimo K [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Sun, 17 Oct 2004 20:42:25 +0300 Subject: Re: Long zoom recommendations I´d wager that Sigma 70-300 APO is better

RE: Long zoom recommendations

2004-10-17 Thread Don Sanderson
results were going to be. Don -Original Message- From: John Whittingham [mailto:[EMAIL PROTECTED] Sent: Sunday, October 17, 2004 5:38 PM To: [EMAIL PROTECTED] Subject: Re: Long zoom recommendations In tests the Sigma 70-300 APO comes a poor second to the Pentax FA 80-320! John

Long zoom recommendations

2004-10-16 Thread Peter Belak
Hello all, I would like to add some longer lens to my small collection. The longest lens I have is my favorite M 135/3.5 - sharp and small. But I need some more. I could buy mint Sigma 135-400 quite cheap (350$), but I can't test it before I get it. I am bit afraid of its weight - is anybody here

Re: Long zoom recommendations

2004-10-16 Thread Paul Stregevsky
If you can spare $2000, the Sigma 120-300/2.8 AF. Otherwise, the Tokina 100-300/4 AF, which is said to be even better than its manual-focus forebear. Big and heavy, but a fine performer. Paul Franklin Stregevsky

Re: Long zoom recommendations

2004-10-16 Thread Fred
Hi, Peter. I would like to add some longer lens to my small collection. The longest lens I have is my favorite M 135/3.5 - sharp and small. But I need some more. I could buy mint Sigma 135-400 quite cheap [snip] Would I go better with some Pentax zoom in that price range? I plan to use it

Re: Long zoom recommendations

2004-10-16 Thread Fred
Otherwise, the Tokina 100-300/4 AF, which is said to be even better than its manual-focus forebear. Big and heavy, but a fine performer. I've never used the autofocus version of the AT-X 100-300/4, but it must be fantastic if it's better than the manual focus version. I have some sample shots