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Re: [OM] Speed of lenses

Subject: Re: [OM] Speed of lenses
From: "Gary Edwards" <garyetx@xxxxxxxx>
Date: Fri, 6 Oct 2000 06:17:04 -0500
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
> >
> >
> >
> > < This message was delivered via the Olympus Mailing List >
> > < For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> > < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
> >
>
>
> < This message was delivered via the Olympus Mailing List >
> < For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
>


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