Archived posting to the Leica Users Group, 1999/10/09

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Subject: Re: [Leica] R8 Shutter release time lag
From: "A.H.SCHMIDT" <horsts@primus.com.au>
Date: Sun, 10 Oct 1999 13:05:44 +1000

Larry Kopitnik wrote:

> >>>>>>>>>>
> I was just looking at a table which showed the release time lag for the EOS
> 1N, EOS 3, and EOS A2e.  They were 55ms, 64ms, 105ms respectively.
>
> I looked in my R8 manual and the Leica book and could not find this figure
> published for any of their cameras.  I have found the R8 to be pretty
> quick, but was interested in how it compares.
> <<<<<<<<<<<
>
> >From Popular Photography's test of the R8, published in their July, 1997
> issue, under the heading "System Time Lag": "Tested with 50 mm f/1.4 lens
> at EV12, aperture-priority mode at f/5.6. Time between pressing shutter
> button and actual exposure is commendably short at 125 ms."
>
> Other Pop Photo time lag test results for comparison:
> Canon EOS 1N: 229 ms (doesn't specify Manual Focus or Auto Focus)
> Canon EOS Elan IIE: 210.5 ms (specifies this is in MF)
> Contax AX: 80 ms in MF, 430 ms in AF
> Contax RTS III: 70 ms
> Contax G2: 160 ms in MF, 180 ms in AF
> Nikon F100: 140 ms (doesn't specify AF or MF)
> Nikon F5: 72 ms in MF, 330 ms in AF

  What do a few millisecond more or less do. What about the real time lag.
The one from the eyes, via the brain, to the finger on the release button?

Regards, Horst Schmidt