[LargeFormat] Equipment Survey

[lnphoto]

No I think it was arbitrary to pick a more "continental" scale, rather than
the psuedo metric scale we have today.

My old 5x7 Speed is even worse, mainly due to mathmetics and physics of a
curtain and springs, but it has 1/10.1/20, 1/35, two 1/50ths, 1/60, two
1/75ths,  1/105, 1/3130, 1/160, 1/175th, 1/215, 1/270, 1/330, 1/490, 1/655,
1/825, 1/1000.  Notice there isn't a geometric scale in there at all!

Also note that light fall of from bellows extension doesn't really effect an
average shot unless you shoot table top stuff, so there isn't a way a
shutter manufacturer can compensate.

> From: "Dave Southwood" <lava@mweb.co.za>
> Reply-To: largeformat@f32.net
> Date: Wed, 16 Jan 2002 07:51:50 +0200
> To: <largeformat@f32.net>
> Subject: Re: [LargeFormat] Equipment Survey
> 
> schneider - k 90mm F8 super angulon
> linhof sonnar 250mm F5.6
> voigtlander apo-lanthar 15cm F4.5
> 
> super technika mk IV
> 
> the speeds on my older lenses are anomolous(15 cm: 1s, 1/2s 1/5s 1/10s 1/25s
> 1/50s 1/100s 1/200s 1/400s), are the strange increments a function of the
> technology which was available? or perhaps to compensate for fall-off with
> an average bellows extension.....
> 
> 
> 
> 
> 
> dave southwood
> flat 1, coronation mansions
> 42 warren street
> tamboerskloof
> cape town
> 8001
> south africa
> 
> +27 82 8543363 mobile
> +27 21 4247992 home
> 
> ----- Original Message -----
> From: Thomas Clarke <tclarke@sunbeach.net>
> To: <largeformat@f32.net>
> Sent: Tuesday, January 15, 2002 3:07 PM
> Subject: [LargeFormat] Equipment Survey
> 
> 
>> Hi all,
>> 
>> Thanks for all of the interesting information on this list and if any of
> you
>> come to Barbados for a holiday drop me an email and I will meet up with
> you.
>> 
>> I own a Toyo Omega view camera with a Nikon 90mm and 180mm lens.
>> 
>> I often shoot with a Toyo 45A field camera with a Nikon 150 mm f5.6 lens.
> I
>> use a compendium lens shade all of the time. I plan to purchase a 300 mm
>> lens in the future.
>> 
>> I shoot only black and white film mainly Kodak TMax 400 and Ilford HP5
>> developed in PMK.
>> 
>> Thomas Clarke
>> Barbados W. I.
>> 
>> 
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