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Newsgroups: fido.photo
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From: "LNBOLCH@TELUSPLANET.NET"
 
Date: Thu, 27 Nov 03 17:22:38 +0100
Subject: Re: Photo processing
Message-ID: 
Organization: Fanciful Online, San Diego, CA
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Message-ID: 
From: "Larry N. Bolch" 
To: 
References:  
Subject: Re: Photo processing
Date: Thu, 27 Nov 2003 18:22:37 -0700

Wayne Young wrote:

> My question was still incomplete and lacking clarity. Let me try
> again:
> In the film type camera with motor drive, it can fire off up to 5 or 6
> frames per second,
> each frame can be as full in picture elements as a frame fired off in
> a single-shot mode.
> Now in the digital cameras, most of them can not capture the full 5-
> or 6-megapixels per frame.
> That was why I said the film camera still has an adventage over the
> digital cameras, and so those
> photographers who do not have digital camera yet do not need hold
> back from speaking up...

My prosumer-level Nikon CP5000 - a five megapixel camera - can do three
full-resolution shots per second. This was enough when shooting a high-powered
rocket launch meet to get as many as three shots of individual rockets as they
ignited, lifted off and then flew. See http://www.larry-bolch.com/ephemeral/

The new Nikon D2H - a camera purpose-designed for sports shooters - will shoot
up to eight frames per second with a buffer capable of holding a burst of 40
frames.

While I generally keep the CP5k set on Continuous-Low - three frames per two
seconds with an eight shot buffer - I have never found the limitation
frustrating. I rarely shoot enough frames in a sequence to fill the buffer. If
I
do fill the buffer, the camera is not out of action while the buffer clears.
The
moment it stores an image, that slot is again available.

I have only used it once on the high-speed drive - the rocket shoot above. I
can
much extend the buffer by dropping to a slightly lower resolution or higher
JPEG
compression, which I used for many of the time compression shots at
http://www.larry-bolch.com/sequences.htm The more complex sequence at the
bottom
of the page was mostly made up of single shots.

I was lead sports-shooter on a city newspaper for more than a dozen years,
using
motorized Nikon SLRs. Even then, I never camped on the shutter, but rather used
the motor to quickly wind the camera to reduce the time gap between shots.
However, each shot was based upon the "decisive moment". High-speed sequence
capability is of little consequence unless you are willing to give up your
timing and simply accept the camera's decision on when to shoot a frame,
picking
the one closest to what you want. I would generally find this to be quite
unsatisfactory.

larry!
ICQ 76620504
http://www.larry-bolch.com/