Re: [Leica] What is faster, AF or MF in low light?

["Carleton, Sam" <Sam.Carleton@FMR.COM>]

I am sorry, but I beg to differ with your assertion that a "Nikon F100 will
focus a 100mm f/2 in low light on someone's eyelashes in much less then a
half a second".  The main reason I question this statement is that I do not
know of a 100mm f/2 that can mount to a Nikon.  I just check Tamron, Tokina,
and Sigma web site, non of them make a 100mm f/2.  Canon makes a 100mm f/2,
but last time I check it is not possible to mount a Canon lens on a Nikon
F100.  So what lens did you use to focus on someone's eyelashes in much less
then a half a second in low light?  Or where you using a Canon and did not
realize it?

I own a F5 and the 105 f/2D AF-DC.  Let me tell you, the camera hunts and
hunts for focus when the light is low and there is little contract for the
AF sensor to focus on.  Manually I have a bear of a time focus the camera.
I find my M6 (.58 at that) MUCH easier to focus a 90/2 in the same low light
situation.

Sam

	-----Original Message-----
	From:	Pete Su 
	Sent:	Thursday, May 31, 2001 10:12 AM
	To:	leica-users@mejac.palo-alto.ca.us
	Subject:	RE: [Leica] No more leicas

	If you don't want to zone focus, and you want a grab shot to be very
sharp in a
	fairly small part of the picture, and you know what you are doing,
it's hard to
	imagine anyone focusing faster than a modern 35mm AF camera,
especially with
	medium to long lenses. A Nikon F100 will focus a 100mm f2 lens in
low light on
	someone's eyelashes in much less than half a second. Even my Hexar
AF usually
	focuses faster than I can.

	Of course, a Nikon F100 is a lot bigger than a Leica, and it
encourages a mode
	of use where you focus/set exposure on every shot, which sometimes
gets in the
	way. 

	I like the manual RF camera because it encourages you to just set
the camera
	and then just see and shoot the photos. It's relaxing, even if you
miss focus
	once in a while, which I do.

	Pete


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