Altamont Press Discussion Board :: Discussion :: Re: Acela

Re: Acela - a pan at 130+ MPH

Author: Steven D. Johnson

Date: 06-07-2010 - 21:49

Nice shot! Very sharp, good color saturation and depth of field. No distractions and subject matter not stealing too much from its environment. Great job!

RE: Data provided from this photo by C. Freericks: Nice to see digital photography has greatly simplified things....NOT! So, exactly what is the difference between Shutter Speed Value and Exposure Time? Why is there a difference? How significant is 1/50th of a second over 1/60th?

As far as bracketing goes, I agree with what Charles stated. The only input I might add is that in the past I have bracketed slower shutter speeds to provide finished alternatives if I think reciprocity failure might be an issue, or if the light meter picks up two values more than 1/2 stop difference, I may bracket. But that's a rarity, and not conveniently done in this situation...and only if I were using unforgiving transparency film.

If I had to guess what the parameters would be were it shot with film: Tripod mounted, 50 ASA rated, 1/30th sec at f16 for a nicely captured wide depth of field with fine grain.

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Subject	Written By	Date/Time (PST)
Acela - a pan at 130+ MPH	Mitch Goldman	06-07-2010 - 09:44
Re: Acela - a pan at 130+ MPH	Margaret (SP fan)	06-07-2010 - 11:32
Re: Acela - a pan at 130+ MPH	smitty195	06-07-2010 - 11:41
Re: Acela - a pan at 130+ MPH	Bruce Kelly	06-07-2010 - 12:01
Re: Acela - a pan at 130+ MPH	Freericks	06-07-2010 - 13:34
Re: Acela - a pan at 130+ MPH	Jim Fitzgerald	06-07-2010 - 13:47
Re: Acela - a pan at 130+ MPH	MP 44.7	06-07-2010 - 16:03
Re: Acela - a pan at 130+ MPH	.	06-07-2010 - 16:03
Re: Acela - a pan at 130+ MPH	Freericks	06-07-2010 - 16:56
Re: Acela - a pan at 130+ MPH	Steven D. Johnson	06-07-2010 - 21:49
Re: Acela - a pan at 130+ MPH	Mitch Goldman	06-07-2010 - 23:52
Re: Acela -Mitch; further replies	Steven D, Johnson	06-08-2010 - 06:32
Re: Acela -Mitch; further replies	Butler	06-08-2010 - 09:15
Re: Acela -Mitch; further replies	Mitch Goldman	06-08-2010 - 10:24

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Steven D. Johnson Wrote:
-------------------------------------------------------
> Nice shot! Very sharp, good color saturation and
> depth of field. No distractions and subject matter
> not stealing too much from its environment. Great
> job!
> 
> RE: Data provided from this photo by C. Freericks:
>  Nice to see digital photography has greatly
> simplified things....NOT! So, exactly what is the
> difference between Shutter Speed Value and
> Exposure Time? Why is there a difference? How
> significant is 1/50th of a second over 1/60th? 
> 
> As far as bracketing goes, I agree with what
> Charles stated. The only input I might add is that
> in the past I have bracketed slower shutter speeds
> to provide finished alternatives if I think
> reciprocity failure might be an issue, or if the
> light meter picks up two values more than 1/2 stop
> difference, I may bracket. But that's a rarity,
> and not conveniently done in this situation...and
> only if I were using unforgiving transparency
> film.
> 
> If I had to guess what the parameters would be
> were it shot with film: Tripod mounted, 50 ASA
> rated, 1/30th sec at f16 for a nicely captured
> wide depth of field with fine grain.

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