[LargeFormat] Shutterless lens usage

[LNphoto]

there is something called a country shutter.

I've made fancier versions , but the useful one is made up of a ruler 
(or paint stick)
attached to an empty 4x5 film holder box, preferably a 50 sheet version.

It's long been rumored that the best boxes for this were the original 
verichrome boxes made from virgin timber back in the 40s but I've found 
common Tmax boxes work okay too.

the idea is to "hang" the shutter on the lens, carefully pull the 
darkslide, pick up the handle and pull the box away from, but still in 
front of the shuttre.  Now with a 'flick of the wrist"  lift up and 
back.  With practice you can get it down to about 1/8 of a second.  I 
made one for a portrait photographer friend with an LED light that 
blinked off the seconds.  For fast lenses I've gone so far as to line 
the box with velvet...darn black stuff.

Les

On Friday, October 17, 2003, at 07:00  PM, LauvoneT wrote:

> Hi,
>
> I have just purchased a Schneider G-Claron 270 WA lens
> without Shutter.
>
> I plan on using the lense on my 4x5 for black and
> white.  My idea is to do the old lens cap off, lens
> cap on, methol of regulating the time.
>
> I figure the exposures will be in the 4 to 10 second
> range, so maybe I can be accurate enough with that
> method.
>
> Does anyone have any suggestions??  Are there any
> holes in this method that I don't see??
>
> Also, does anyone know of the quality of this lens.  I
> have a couple of Schneider lenses and they are great.
>
> TIA,
>
> Lauvone
>
> =====
> www.Lauvone.com
>
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