No, no, Tom. You've got it all wrong. Faster lenses deplete your checking
account more quickly. . .<g>
Gary Edwards
----- Original Message -----
From: Tom Scales <tscales@xxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Cc: <dgaikins@xxxxxxxxxxx>
Sent: Thursday, October 05, 2000 8:42 PM
Subject: Re: [OM] Speed of lenses
> A 'fast' lens is one that works in lower light, meaning that it has a
bigger
> maximum lens opening, meaning that the maximum aperature is a lower
number.
>
> For example, a 35 f/2 is faster than a 35 f/2.8 by one stop (meaning twice
> the light). So, 1/60 at f/2 is the same at 1/30 at f/2.8.
>
> In Olympus-land, most of the lenses were made in two 'speeds'. The
'slower'
> lenses were generally smaller (often with a 49mm filter size). The
'faster'
> lenses had/have a trade-off. They are generally a little bigger and often
> have a 55mm filter size. Bigger is relative, of course, as the 'bigger'
> Olympus Zuiko lenses are still small compared to other camera lines.
>
> I think you would find this site an incredible resource:
>
> http://members.nbci.com/_XMCM/veluwen/om-sif.htm
>
> Hans van Veluwen, the site creator, is a fellow list member and we are all
> indebted to him for his efforts.
>
> One risk of this list, though. <g>. We all have a disease called
> Zuikoholism. We're unable to stop buying all the OM equipment we can.
It's
> catching and this list is a carrier.
>
> Enjoy!
>
> Tom Scales
>
> > I am new to photography, and the list. So far I have a OM-1 that was
> > bought back in the 1970's for my daughter who was taking a photography
> > class in high school at the time. My grandson and I found the camera in
> >
> > the basement in an old milk crate and resurrected it. I took some very
> > good pictures with it on my vacation this year, and have acquired an
> > interest in photography. So much so that I just bought an OM2S Program
> > from eBay!
> >
> > I have four lenses. Two 50mm 1.8 Zuiko, a Kitstar f135mm 1:2.8 and a
> > Vivitor 28mm 1:2.8. I have seen posts on the list (and adds on eBay)
> > that talk about fast and slow lenses. Could someone explain to me what
> > a fast lens means? What slow lens is?
> >
> > I thought that the second number just meant the widest aperture that the
> >
> > lens could achieve. What does that have with speed?
> >
> > Thanks
> >
> > --
> > Don Gaikins
> > W0VM
> >
> >
> >
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> > < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
> >
>
>
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