Andrew,
f/stops progress by a factor of 1.414 which is the square root of 2, therefore,
the numerical value of f/stops double every other stop. If we start at f/11 (we
could have started with any f/stop), the next one is f/16, since they double
every other stop, the progression would go like this:
Can anyone help? What's the proper progression of f-stops above f90? Is f128
next and tell a couple more if you have the info at your fingertips.
I've picked up a Finney Pinhole Bodycap for my Leica M. It's listed as a
30mm, approx. f128 and my Minolta meter goes to f90. So is f128 the next
f-stop
Hi Zami,
I have an old Yashica XYZ, I don't really remember the specs, but I found an
adapter to use pentax thread lenses with it (it transforms the bayonet into a
thread).
I had some aluminum tubes made to fit this thread, so now it is easy to change
focal distances and/or transform from Zone Pla
- Original Message -
From: "callum moffat"
> I MANAGED TODAY TO BUY A CHEAP(£8)POLAROID LAND CAMERA
> SUPER SWINGER
> QUESTION: IS THE TYPE OF FILM I NEED STILL AVAILABLE?
> THE NOTE ON THE CAMERA BACK SAYS TYPE 87 BUT I CANT
> FIND IT LISTED ON POLAROIDS UK SITE
Check this site: http
- Original Message -
From: "Zami Schwartzman"
> the buurs on the oposit side had to be very carefuly treated with no. 400
> sandpaper to get a perfect hole . Although not a sraight forward job , I can
> get perfect holes as small as 0.05 mm diameter
FYI, such small pinhole would be "op
Neil Gourley recently posted a question concerning information on the
history of pinhole cameras. Several responses were written on the usual
sources that come to mind but I recently came across a resource that I had
never considered before. Several doctorial dissertations have been written
conce
Yes, there is a pinhole diameter that will give best sharpness for each
distance from pinhole to film. The simplest version of the formula is
(distance to film in inches)(55) equals the square of the optimal diameter
in thousandths of an inch. In your case (1.12 inches)(55) equals 68.99, the
square
I MANAGED TODAY TO BUY A CHEAP(£8)POLAROID LAND CAMERA
SUPER SWINGER AND AM IN THE PROCCESSS OF TAKING IT
APART WITH A VIEW TO INSTALLING A PINHOLE AND/OR ZONE
PLATE
QUESTION: IS THE TYPE OF FILM I NEED STILL AVAILABLE?
THE NOTE ON THE CAMERA BACK SAYS TYPE 87 BUT I CANT
FIND IT LISTED ON POLARO
Anyone has tried converting a 35 mm camera to pinhole ?
I have modified an old Pentax Spotmatics Reflex camera , the idea was that
using a 35 mm format will make it easier to experiment with various types of
films . film drive , sutter timing , tripod attachement and release cable
are already t
