Harvey Berman , Jan 30, 2004; 04:53 p.m.
How does Hasselblad A16 film magazine differ from A16-S film magazine?
Godfrey DiGiorgi 
, Jan 30, 2004; 05:06 p.m.
I think this is the A16 family of backs:
A16 - 6x4.5 format, horizontally arranged, 16 exposures.
A16S - 4x4 format, 16 exposures (I think)
A16V - 6x4.5 format vertically arranged, 12 exposures.
Godfrey
Keith Laban , Jan 30, 2004; 05:11 p.m.
The A16S was a magazine for "super slide" format. Sorry not too sure of the exact dimensions of super slide, but if your are looking for 6x45 then the A16 is the magazine for you.
Keith Laban Photography
Gary Ferguson 
, Jan 31, 2004; 07:03 a.m.
"Super slide" is 4x4, it was reasonably popular in the late 1950's and 1960's.
Q.G. de Bakker 
, Jan 31, 2004; 07:23 a.m.
Harvey,
The 16S has a smaller (less wide) opening/film gate, with two shorter rollers above and below the opening than are in the 16 magazine. That's it. The transport mechanism in the shell, and the holder/insert are exactly the same.
Some people reportedly have converted their 16S to 16 magazines by widening (milling, or filing) the opening. I don't know what they have done to the rollers.
Q.G. de Bakker , Jan 31, 2004; 07:26 a.m.
Godfrey,
The 12 (!!!) exposure 6x4.5 cm vertical format back was called "A12V"...
;-)
Harvey Berman , Jan 31, 2004; 08:51 a.m.
I thank everyone for the information provided. I now know that the A16-S allows the taking of 4x4 super slides.
Does anyone know if the transparent mask for the viewfinder is the same for both the A16-S and A16?
Harvey
Jeroen van Weert , Jan 31, 2004; 10:29 a.m.
The 16S is used for 4x4 slides because with special frames, these slides can be projected with a "normal" 35mm slideprojector. The image is still square, and hence the mask for the viewfinder is square as well.
The 16 is used for 6x4.5 format and is a rectangular format. Therefore, the viewfinder will be cropped in a rectangular manner.
Jeroen
Kevin Parratt , Jan 31, 2004; 11:17 a.m.
I also use the A16 6x4.5 magazine for superslides simply by selective cropping at the slide mounting stage. It is even better than the A16s because one can visualise up to 10mm of 'shift' when composing the image. The imagination is one the best photo accessories you will ever have, it's free and fits all cameras. KP
Godfrey DiGiorgi , Jan 31, 2004; 02:28 p.m.
Thanks for the correction, QG.
Godfrey
