Re: On Manual and Auto Focus

2003-07-12 Thread Sylwester Pietrzyk
on 11.07.03 22:52, Alan Chan at [EMAIL PROTECTED] wrote: > So F100 still beats MZ-S huh? :-) Neee.. it can't leave film leader out ;-) But otherwise it's very nice machine, only heavy and large as for me :-) > PS: Not a real comment, pls don't flame. We all know you quite well :-) I don't think

Re: On Manual and Auto Focus

2003-07-12 Thread brooksdj
Good thought Frank.I cringe everytime i see a lens for sale,buy it and think should i have??(mfof course)Then when it arrives i cannot wait to use it.I cannot think of a nicer way(at least until the ice has had a chance to cool the brown bottles)to spend a few hours when the weather is nice,than

Re: On Manual and Auto Focus

2003-07-12 Thread frank theriault
Wrong attitude, Marnie! Don't think of it as "dollars down the drain", rather, think of it as money well invested in an enriching leisure activity . cheers, frank [EMAIL PROTECTED] wrote: > Sigh. Another camera, more lenses, more dollars down the drain. -- "I don't believe in God, but I do be

Re: On Manual and Auto Focus

2003-07-12 Thread Eactivist
>The MX has a linkage designed to slow the mirror just before it hits the >foam bumper. Pentax claimed that MLU was unneeded. Over the years, I never >noticed a vibration problem. But then, I only used a tripod about 10% of the >time with the MXen. Tripods and 35mm never made much sense to me. If y

Re: On Manual and Auto Focus

2003-07-12 Thread Alan Chan
if Alan were to try a MZ-S on loan and had the same results as his PZ-1p, then i would believe that he is experiencing AF system problems. I know the Z-1p's AF is not as accurate as MF, but the problem extends to MF mode too due to poor viewing quality. That's why I like the MX so much. It's vie

Re: On Manual and Auto Focus

2003-07-11 Thread Eactivist
>Shouldn't it be "focus first and compose later"? >This is why I never bothered to buy an AF camera, it's too slow. But then I usually >don't use a tripod either .-) >DagT Sure, that's what it's "supposed" to be. That's what the camera manuals say. Hold down the button 1/2 to focus lock then

Re: On Manual and Auto Focus

2003-07-11 Thread Alan Chan
The Z-1p doesn't have the new type of focusing screen either. Otherwise, I found the Z-1p easier to manual focus with slower lenses than the LX. To each his own I guess, but for me magnification or lack thereof has never been a problem when focusing. What makes a difference to me is whether it

RE: On Manual and Auto Focus

2003-07-11 Thread Alan Chan
They fixed it already, but they're having trouble removing your hex. I must be cursed. Who is it? Show yourself. I know you are here!! :-( regards, Alan Chan _ STOP MORE SPAM with the new MSN 8 and get 2 months FREE* http://join.m

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
Herb wrote: > if Alan were to try a MZ-S on loan and had the same results as his PZ-1p, then i > would believe that he is experiencing AF >system problems. Well, he did say that he was getting the same problem while manual focusing Most likely the viewfinders doesn't agree with him (but th

Re: On Manual and Auto Focus

2003-07-11 Thread Herb Chong
17:47 Subject: Re: On Manual and Auto Focus > > The Z-1p doesn't have the new type of focusing screen either. Otherwise, I found the > Z-1p easier to manual focus with slower lenses than the LX. To each his own I guess, > but for me magnification or lack thereof has never been a

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
Alan wrote: Are you referring to me??? I know the LX & Super A/Program are great vibrators, and the Z-1p vibrates better than the MX too. :-) However, the 2s mirror pre-fired of the Z-1p has elimated pretty much most vibration while the MX doesn't have any MLU at all (I don't use the trick anym

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
Boris wrote: 2. I did not mean to argue about 600/4 lens hunting down quite remote and no less fast animal that for some reason should be filling the whole frame once the film is processed and printed and/or scanned. 3. In fact I was talking about something like shooting my daughter with 35 or 50

Re: On Manual and Auto Focus

2003-07-11 Thread Bruce Rubenstein
There is one plane of focus. The farther you move from it the more out of focus things are. DOF is determined by what is the maximum amount of blur considered acceptable at the limits of the DOF. So yes, the sharpness is not uniform through the DOF. BR [EMAIL PROTECTED] wrote: Finally, I supp

Re: On Manual and Auto Focus

2003-07-11 Thread Herb Chong
11, 2003 17:00 Subject: Re: On Manual and Auto Focus > Actually, with the MZ-S you can select the sensor you want (2nd sensor from > the right lines up with the subject's eye for vertical portraits, for > example). That way, you just let the camera focus, then you shoot. No >

Re: On Manual and Auto Focus

2003-07-11 Thread Pat White
know that they require you to compose first and focus later. >Herb Actually, with the MZ-S you can select the sensor you want (2nd sensor from the right lines up with the subject's eye for vertical portraits, for example). That way, you just let the camera focus, then you shoot. No recompos

RE: On Manual and Auto Focus

2003-07-11 Thread tom
> -Original Message- > From: Alan Chan [mailto:[EMAIL PROTECTED] > > Damn! > You just gave me an excuse to buy another expensive toy. I > need ring Pentax > and see if they could switch that stupid 31 with a brand > new MZ-S. They have > my lens for a month and not a single response

Re: On Manual and Auto Focus

2003-07-11 Thread Alan Chan
I said no such thing something thats apparent for all. I've used the Z-1p for six years and plenty of sharp images shot with it. I I pointed out to the Alan that if he was having focus problems with his Z-1p it was either due to a faulty camera or he was experiencing vibration problems. This was

Re: On Manual and Auto Focus

2003-07-11 Thread Boris Liberman
Hi! Thanks for all those who responded, which however excludes some of the people who still managed to squeeze in some very strange arguments and wordings. Come, let us at least pretend we're all civilized enough. Now, to the point of the thread. There're few things that were out of the scope but

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
>You mean, not do like that guy Paal Jensen that's currently engaged in a >thread where he states that it's impossible to take sharp photos with >the PZ1p, REPLY: I said no such thing something thats apparent for all. I've used the Z-1p for six years and plenty of sharp images shot with it. I

Re: On Manual and Auto Focus

2003-07-11 Thread Mark Roberts
frank theriault <[EMAIL PROTECTED]> wrote: >Well, I'm not saying that one is better than another, but it seems >that there may some situations that manual focus is faster and more >accurate (or at least there's a better chance that it will be more >accurate) than AF. It ~may~ be that in the maj

Re: On Manual and Auto Focus

2003-07-11 Thread dagt
Wow, that's a great argument. Let me try it: People who don't like Pentax don't have it/have little or no experience with it/have used poor versions of it. Gee, it works, it must be true .-) DagT > Fra: [EMAIL PROTECTED] > > People who don't like AF don't have it/have little or no experienc

Re: On Manual and Auto Focus

2003-07-11 Thread Sylwester Pietrzyk
on 11.07.03 14:38, Pål Jensen at [EMAIL PROTECTED] wrote: > Still, it can't be about the AF as manual focusing was no better. His camera > could be out of alignment and/or the vibration issue. There really is a huge > difference between the Z-1p and the MZ-S. I have sharp images shout out of a > c

Re: On Manual and Auto Focus

2003-07-11 Thread Blivit4
People who don't like AF don't have it/have little or no experience with it/have used poor versions of it. People who don't like digital don't have it/have little or no experience with it/have used poor versions of it. There's at least a two stop difference in handheld useable shutter speeds betw

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
Herb wrote: > he doesn't want to believe that. this subject came up in the early spring. Still, it can't be about the AF as manual focusing was no better. His camera could be out of alignment and/or the vibration issue. There really is a huge difference between the Z-1p and the MZ-S. I have s

Re: On Manual and Auto Focus

2003-07-11 Thread Herb Chong
he doesn't want to believe that. this subject came up in the early spring. Herb - Original Message - From: "Pål Jensen" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, July 11, 2003 08:05 Subject: Re: On Manual and Auto Focus > Well, it then

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
Boris wrote: Once upon a time, I read somewhere on the net (probably the huge third party lenses site) that modern AF systems are optimized for 50 lp/mm. Hence, on that site they would conclude that if you have a fine lens, AF would take away most of its qualities by lousy focusing. I thought of i

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
Caveman: Quote: "A fascinating test. I'm especially amazed by how poorly the Nikkor 1.8/50 performs at all apertures". No wonder Brucey doesn't bother with focus. It's all bokeh to him anyway. REPLY: Is it too much to ask of you that you for once refrain from insulting persons who use other g

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
Tom wrote: At least with manual focus you decide what to focus on. But you have heard this argument from me before. Automation your can not control is worse than no automation at all. REPLY: Well, the AF systems I use enables me to decide whats in focus. In addition, it can yield sharp images

Re: On Manual and Auto Focus

2003-07-11 Thread Pål Jensen
Alan wrote: I can't give you any figure, but it's no BS. Really, I consistently obtain sharper results with my MX than my Z-1p, with tripod or not. Even manual focus with Z-1p doesn't seem to deliver the sharpness that the MX offers. REPLY: Well, it then can't have anything to do with the AF

Re: On Manual and Auto Focus

2003-07-11 Thread dagt
You know, if you keeping running around the dinner table you will miss your meal. Sometimes I even sit down. DagT > Fra: [EMAIL PROTECTED] > You weren't born knowing how to walk either. Do you also crawl around, because > walking is too slow when you don't know how to do it? > > BR > > <[

Re: On Manual and Auto Focus

2003-07-11 Thread Lon Williamson
But you can buy a Pentax 2x magnifier to slip over the viewfinder that at least takes a step in that direction. I think one of the newer RefConverters has a magnifier built-in, as well. I remember that Keppler used a magnifier when comparing manual to autofocus in a Pop Photo article a few years a

Re: On Manual and Auto Focus

2003-07-11 Thread Herb Chong
stems well enough that i trust what it does and know when it gets it wrong. Herb - Original Message - From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, July 11, 2003 07:06 Subject: Re: On Manual and Auto Focus > OK, so you prepare for a composition, focus

Re: On Manual and Auto Focus

2003-07-11 Thread Herb Chong
lt;[EMAIL PROTECTED]> Sent: Friday, July 11, 2003 06:39 Subject: Re: On Manual and Auto Focus > Is that right, Herb? > If it is, obviously I don't use one regularly...but, when I have used > AF, if the depth of field is going to be narrow, I always use spot > metering, and I se

Re: On Manual and Auto Focus

2003-07-11 Thread frank theriault
Well, I'm not saying that one is better than another, but it seems that there may some situations that manual focus is faster and more accurate (or at least there's a better chance that it will be more accurate) than AF. It ~may~ be that in the majority of situations, AF works best (and fastest)

Re: On Manual and Auto Focus

2003-07-11 Thread Blivit4
You weren't born knowing how to walk either. Do you also crawl around, because walking is too slow when you don't know how to do it? BR <[EMAIL PROTECTED]> wrote: >This is why I never bothered to buy an AF camera, it's too slow. _

Re: On Manual and Auto Focus

2003-07-11 Thread dagt
n't know what is the most > critical thing i want in focus, assuming i don't want everything in focus. if you > use a view camera, you also work the same way. > > Herb... > - Original Message - > From: <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]&

Re: On Manual and Auto Focus

2003-07-11 Thread Keith Whaley
D]> > Sent: Friday, July 11, 2003 00:50 > Subject: Re: On Manual and Auto Focus > > Lets see if I have this straight. You have the leisure time to wander the > > camera around on a tripod composing, but you don't have time to focus the > > thing? > > > > I really can't believe this was posted. > > > > William Robb > >

Re: On Manual and Auto Focus

2003-07-11 Thread Herb Chong
lt;[EMAIL PROTECTED]> Sent: Friday, July 11, 2003 06:03 Subject: Re: On Manual and Auto Focus > Shouldn't it be "focus first and compose later"? > > This is why I never bothered to buy an AF camera, it's too slow. But then I usually > don't use a tripod either .-)

Re: On Manual and Auto Focus

2003-07-11 Thread dagt
Shouldn't it be "focus first and compose later"? This is why I never bothered to buy an AF camera, it's too slow. But then I usually don't use a tripod either .-) DagT > Fra: "Herb Chong" <[EMAIL PROTECTED]> > incidentally, if you used an AF camera regularly with its AF engaged, you would

Re: On Manual and Auto Focus

2003-07-11 Thread Herb Chong
00:50 Subject: Re: On Manual and Auto Focus > Lets see if I have this straight. You have the leisure time to wander the > camera around on a tripod composing, but you don't have time to focus the > thing? > > I really can't believe this was posted. > > William Robb >

Re: On Manual and Auto Focus

2003-07-11 Thread Herb Chong
when the camera requires a AF lock button to be pushed to hold it, i'm not interested in holding the button the entire time. Herb... - Original Message - From: "William Robb" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, July 11, 2003 00:50 Subj

Re: On Manual and Auto Focus

2003-07-10 Thread mishka
Boris, It's not quite BS. There are a few things to consider. The "lpm" numbers are irrelevant as long as it's above the critical resolution in the final enlargment. For 8"x10" this is (I suppose) something like 250ppi, therefore, sice 24mm is ~ 1", one needs 8*250 lines/inch ~ 50 lpmm. As long

Re: On Manual and Auto Focus

2003-07-10 Thread Herb Chong
omposing. Herb - Original Message - From: "frank theriault" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, July 10, 2003 21:35 Subject: Re: On Manual and Auto Focus > Hi, Herb, > > I wasn't talking about focusing on the LCD screen, but rather to

Re: On Manual and Auto Focus

2003-07-10 Thread frank theriault
s on a digital camera's LCD is basically useless, in my opinion. > > Herb > - Original Message - > From: "frank theriault" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, July 10, 2003 18:31 > Subject: Re: On Manual and Auto

Re: On Manual and Auto Focus

2003-07-10 Thread George Sinos
learn new tricks. Or maybe modify old tricks to look new. See you later, gs -- Date: Thu, 10 Jul 2003 18:56:36 -0400 From: frank theriault <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: Re: On Manual and Auto Focus Message-ID: <[EMAIL PROTECTED]> Conten

Re: On Manual and Auto Focus

2003-07-10 Thread Caveman
Bruce Rubenstein wrote: Go back and read "Beating the 50 lines per mm Resolution Limit" (http://medfmt.8k.com/mf/limits.html). In practice it is hard to get 50 lp/mm regardless of how the lens is focused. Quote: "A fascinating test. I'm especially amazed by how poorly the Nikkor 1.8/50 performs

Re: On Manual and Auto Focus

2003-07-10 Thread Herb Chong
manual focus on a digital camera's LCD is basically useless, in my opinion. Herb - Original Message - From: "frank theriault" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, July 10, 2003 18:31 Subject: Re: On Manual and Auto Focus > Stil

Re: On Manual and Auto Focus

2003-07-10 Thread Bruce Rubenstein
Go back and read "Beating the 50 lines per mm Resolution Limit" (http://medfmt.8k.com/mf/limits.html). In practice it is hard to get 50 lp/mm regardless of how the lens is focused. If you have to take pictures right NOW, you will get more "in focus" shots with AF then MF. BR [EMAIL PROTECTED]

Re: On Manual and Auto Focus

2003-07-10 Thread frank theriault
Yeah, but we're just a couple of crusty old farts, Tom! -frank T Rittenhouse wrote: > At least with manual focus you decide what to focus on. But you have heard > this argument from me before. Automation your can not control is worse than > no automation at all. > -- "I don't believe in God,

Re: On Manual and Auto Focus

2003-07-10 Thread T Rittenhouse
t; <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, July 10, 2003 6:31 PM Subject: Re: On Manual and Auto Focus > Well, here's my problem with autofocus: > > http://www.pbase.com/image/18233117 > > Jeff took it with his Canon digital Elph (actually, quite a nice

Re: On Manual and Auto Focus

2003-07-10 Thread frank theriault
Well, here's my problem with autofocus: http://www.pbase.com/image/18233117 Jeff took it with his Canon digital Elph (actually, quite a nice camera). The first thing I noticed when I saw the photo, is that the camera bodies and such, are fuzzy. What's in focus is the strap of my lovely little C

Re: On Manual and Auto Focus

2003-07-10 Thread Alan Chan
Once upon a time, I read somewhere on the net (probably the huge third party lenses site) that modern AF systems are optimized for 50 lp/mm. Hence, on that site they would conclude that if you have a fine lens, AF would take away most of its qualities by lousy focusing. I thought of it, and it seem