Re: Tripods usage with DSLR

2003-09-19 Thread Ramesh Kumar
Your earlier response did surprise me.
May be becuase you read too many PDML mails:-)

Thanks
Ramesh

--- Lon Williamson <[EMAIL PROTECTED]> wrote:
> Ramesh, I think I misunderstood an earlier post
> you made on this subject.  I thought you were
> talking
> about film cameras when you said you could boost
> ISO,
> as if it were aperature or shutter, to continue to
> handhold.  My apologies.
> 
> If every dumb post I've made on PDML were
> emblazed on bronze, people would spit on me.
> 
> PackToooye!  (fer example).-Lon
> 
> Ramesh Kumar wrote:
> 
> > Predicting the light condition of the subject is
> > difficult, so the deciding the ISO in advance.
> > 
> > Assume, I have shot first frames(say 5) with rated
> ISO
> > and then increase  ISO speed. In this case I need
> to
> > push frames 5 to 35.
> > Can I instruct the lab to push only 5 to 35?
> > Pls let me know if its possible.
> > 
> > In case of DSLR we can change the ISO speed per
> frame.
> > 
> > 
> > I will agree that high ISO will introduce noise
> and
> > usage of tripod is recommended.
> > 
> > When tripod is not available, given a choice b/w
> not
> > shooting and shooting with slight noise, latter
> seems
> > to decent choice.
> > 
> > Thanks
> > Ramesh
> > 
> > 
> > __
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> > Yahoo! SiteBuilder - Free, easy-to-use web site
> design software
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> > 
> > 
> 
> 


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Re: Tripods usage with DSLR

2003-09-18 Thread Cotty
On 18/9/03, [EMAIL PROTECTED] disgorged:

>When tripod is not available, given a choice b/w not
>shooting and shooting with slight noise, latter seems
>to decent choice.

Yeah Bill, some of us *like* noise  ;-)


Cheers,
  Cotty


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Re: Tripods usage with DSLR

2003-09-17 Thread Ramesh Kumar

--- William Robb <[EMAIL PROTECTED]> wrote:
> The same can be said with film. You can put a faster
> film in the camera (or
> dial up the ISO with the intention of "push
> processing") until you get a
> shutter speed you think you can hand hold.

Predicting the light condition of the subject is
difficult, so the deciding the ISO in advance.

Assume, I have shot first frames(say 5) with rated ISO
and then increase  ISO speed. In this case I need to
push frames 5 to 35.
Can I instruct the lab to push only 5 to 35?
Pls let me know if its possible.

In case of DSLR we can change the ISO speed per frame.


I will agree that high ISO will introduce noise and
usage of tripod is recommended.

When tripod is not available, given a choice b/w not
shooting and shooting with slight noise, latter seems
to decent choice.

Thanks
Ramesh


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Re: Tripods usage with DSLR

2003-09-17 Thread Christian
> 
> Carry a good quality tripod, and learn how to use it to your advantage.
>
> William Robb
>
>

When I first started out in photography and bought a book by John Shaw on
nature photography those were almost his exact words.

Christian



Re: Tripods usage with DSLR

2003-09-17 Thread William Robb

- Original Message - 
From: "Ramesh Kumar"
Subject: Re: Tripods usage with DSLR



> Say I am using 100mm lens and I also want aperture to
> be f8. With this setting shutter speed is too low to
> take handheld shots, in such cases i can just
> increase the ISO till shutter speed becomes more than
> 1/200sec. Thus I can avoid tripod.
>
> Yes, if you deliberately want a long exposure then you
> need a tripod. Same goes to night photography

The same can be said with film. You can put a faster film in the camera (or
dial up the ISO with the intention of "push processing") until you get a
shutter speed you think you can hand hold.

Of course, you are compromising image quality by not shooting the optimal
speed, and are still not getting as good an image as if you had used a good
tripod in the first place.

A good tripod will improve image quality, regardless of shutter speed or
lens.

I am constantly amazed that people will go out and spend many thousands of
dollars on the finest cameras and lenses and then take enough technical
shortcuts that they may as well have bought a broken Holga for what they are
going to get back from the lab.

It amazed me when I was selling this stuff, it amazed me when I was teaching
this stuff, it amazed me when I was earning my living with this stuff, and
it still amazes me now that I am photofinishing.
For some reason, people think there is a free lunch to be had out there.

Tanstafl.

Carry a good quality tripod, and learn how to use it to your advantage.

William Robb




Re: Tripods usage with DSLR

2003-09-17 Thread Cotty
On 17/9/03, [EMAIL PROTECTED] disgorged:

>istD or any equivalent DSLR seems to reproduce decent
>outputs at higher ISO(say 400+) speeds. 
>
>In outdoor photography, for an amature photographer,
>if the focal length of the lens is less than 135mm, I
>think tripod may not be a real necessicity.
>
>This comes as big relief for me because I need not
>have to carry my 3KG tripod for hiking.
>
>I agree tripod is needed for long teles like 300mm/2.8
>because their weight makes it difficult to do handheld
>photography.  
>
>I would like hear other opinion on this.
>
>Thanks
>Ramesh  

Au contraire mon frere.

In fact because the effective focal length is increased on each lens due
to the smaller sensor size (on less than 'full-frame' sensor cameras), a
tripod may become more essential, depending on the type of photography done.

So a 50mm lens acts like a 75 or 80mm lens, and the old yard stick of 1/
50th of a second handheld on this lens would not apply. It would be 1/
75th or so.

I shoot landscapes on a DSLR and just as with film, a tripod is pretty
much essential kit.

The difference is, when I stop for a pint, I can switch to 800 ISO on the
same camera / lens and shoot available light characters supping beer.

To be honest, I find the same photographic principles apply to digital as
they do to film in practice. Which makes the transition on the ground
much easier...


Cheers,
  Cotty


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Re: Tripods usage with DSLR

2003-09-17 Thread Herb Chong
and get more image noise and other things that come along with that increase
in ISO. if there wasn't any penalty, they wouldn't have set the default ISO
to 200. highest quality means lowest ISO for any given camera.

Herb
- Original Message - 
From: "Ramesh Kumar" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, September 17, 2003 5:10 PM
Subject: Re: Tripods usage with DSLR


> Let me make it clear..
> Say I am using 100mm lens and I also want aperture to
> be f8. With this setting shutter speed is too low to
> take handheld shots, in such cases i can just
> increase the ISO till shutter speed becomes more than
> 1/200sec. Thus I can avoid tripod.




Re: Tripods usage with DSLR

2003-09-17 Thread Lon Williamson
Nope.  Boosting ISO to get the shutter speed you want causes
underexposure, all else being equal.  You should not, repeat:
NOT adjust ISO to boost your shutter speed just to keep hand-holding.
Really.
-Lon

Ramesh Kumar wrote:
Let me make it clear..
Say I am using 100mm lens and I also want aperture to
be f8. With this setting shutter speed is too low to
take handheld shots, in such cases i can just 
increase the ISO till shutter speed becomes more than
1/200sec. Thus I can avoid tripod.

Yes, if you deliberately want a long exposure then you
need a tripod. Same goes to night photography


Thanks
Ramesh
--- Herb Chong <[EMAIL PROTECTED]> wrote:

amateur or pro has nothing to do with it. depends on
what you do. i shoot
many exposures in the 10 second range.
Herb...
- Original Message - 
From: "Ramesh Kumar" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, September 17, 2003 1:43 PM
Subject: Tripods usage with DSLR



In outdoor photography, for an amature
photographer,

if the focal length of the lens is less than
135mm, I

think tripod may not be a real necessicity.




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Re: Tripods usage with DSLR

2003-09-17 Thread brooksdj
I shoot sporting type of events with my DSLR and i use a sturdy monopod for most
of it.Unless i really need to move around a lot then i hand hold.Its not bad to do at
1/1000 or 1/1250.
I sometimes shoot pictures for work related things and then i use a tripod,Manfotto 
028 as
we tend to take a series of shots in a panoramic setting.
The noise on the D1 is poor past iso 400-800 and time is really bad.I hear the D2H 
takes
care 
of this much better.

Dave 

> amateur or pro has nothing to do with it. 
depends on what you do. i shoot
> many exposures in the 10 second range.
> 
> Herb...
> - Original Message - 
> From: "Ramesh Kumar" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, September 17, 2003 1:43 PM
> Subject: Tripods usage with DSLR
> 
> 
> > In outdoor photography, for an amature photographer,
> > if the focal length of the lens is less than 135mm, I
> > think tripod may not be a real necessicity.
> 
> 






Re: Tripods usage with DSLR

2003-09-17 Thread Herb Chong
amateur or pro has nothing to do with it. depends on what you do. i shoot
many exposures in the 10 second range.

Herb...
- Original Message - 
From: "Ramesh Kumar" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, September 17, 2003 1:43 PM
Subject: Tripods usage with DSLR


> In outdoor photography, for an amature photographer,
> if the focal length of the lens is less than 135mm, I
> think tripod may not be a real necessicity.




Tripods usage with DSLR

2003-09-17 Thread Ramesh Kumar
*istD or any equivalent DSLR seems to reproduce decent
outputs at higher ISO(say 400+) speeds. 

In outdoor photography, for an amature photographer,
if the focal length of the lens is less than 135mm, I
think tripod may not be a real necessicity.

This comes as big relief for me because I need not
have to carry my 3KG tripod for hiking.

I agree tripod is needed for long teles like 300mm/2.8
because their weight makes it difficult to do handheld
photography.  

I would like hear other opinion on this.

Thanks
Ramesh  
 



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