[LargeFormat] portrait lenses

[Les Newcomer]

> From: Les Newcomer <lnphoto@twmi.rr.com>
> Reply-To: largeformat@f32.net
> Date: Mon, 18 Mar 2002 15:42:32 -0800
> To: <largeformat@f32.net>
> Subject: Re: [LargeFormat] Double checking.
> 
> A common focal lenght for diffused focus is 14-15" for 6x8 (tho they usually
> cover 8x10) and 16-18" for 8x10.  An 18" f4.5 lens is a damn heavy piece of
> glass, which is why portrait cameras were built with mimimal movements and
> maximum strenght in the front end.  If seen an 18" f 2.8 lens.  it's the
> size of a small waste basket and pretty much destroys any camera it's on.

okay iwas wrong. in the following photo there are two B&L series B #3 lenses
these are 14.5" in focal lenght effective aperute of f2.2 and a lens
diameter of 6.75"  cost in 1904 $500.00 10 years before Henry Ford doubled
the working man's wage to $5 a day.

http://home.twmi.rr.com/lnphoto/SERIES3B.jpg
> 
>> From: "philip.lambert" <philip.lambert@ntlworld.com>
>> Reply-To: largeformat@f32.net
>> Date: Mon, 18 Mar 2002 18:00:51 -0000
>> To: <largeformat@f32.net>
>> Subject: Re: [LargeFormat] Double checking.
>> 
>> If the negative measures a true 8x10 then its diagonal is 325mm and this is
>> the focal length of a standard lens, equivalent roughly to 43mm on 35mm
>> (which is a different shape, hence roughly). On this basis 20mm equates to
>> 150mm.  A portrait lens is usually longer than the standard lens although I
>> have seen a few strange portraits taken with wideangle lenses. You would get
>> the equivalent of 85mm on 35mm with 650mm on 10x8.  I don't know if there
>> are any such creatures out there but how long is the bellows on your camera?
>> Maybe a Nikkor telephoto would suit but the prices are daunting. As to soft
>> focus, Imagon comes to mind but for 10x8? You did not mention your budget.
>> Hope this helps. Philip
>> ----- Original Message -----
>> From: "John Pass" <johnp@novia.net>
>> To: "LargeFormat list" <largeformat@f32.net>
>> Sent: Monday, March 18, 2002 4:29 PM
>> Subject: [LargeFormat] Double checking.
>> 
>> 
>>> Hello list,
>>> 
>>> 2) I'm looking for a good wide angle (35mm equiv to ~20mm), a good macro
>>> and a decent portrait.  I like sharp lenses for macro and landscape
>> (mostly
>>> B&W, but good with color too!).  I'm really cluesless when it comes to
>>> a good portrait lens (soft focus type).
>>> 
>>> 3) Confirm for me my math: the image circle of 8x10 is
>>> approx. 325mm?
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> LargeFormat mailing list
>>> LargeFormat@f32.net
>>> http://www.pairlist.net/mailman/listinfo/largeformat
>>> 
>> 
>> 
>> 
>> 
>> _______________________________________________
>> LargeFormat mailing list
>> LargeFormat@f32.net
>> http://www.pairlist.net/mailman/listinfo/largeformat
> 
> 
> _______________________________________________
> LargeFormat mailing list
> LargeFormat@f32.net
> http://www.pairlist.net/mailman/listinfo/largeformat