Re: Nikon D300 review

Lawrence Akutagawa wrote:
> "G.T." <getnews1@[EMAIL PROTECTED]
> wrote in message 
> 
>> 620 or typo?  I'm a newbie to med format.
> 
> From http://www.kenrockwell.com/tech/format.htm
> "120 film was introduced about 1902 and is still very popular today. 120

> film is a black paper roll with a strip of film taped inside which is
drawn 
> through your camera as you shoot. The paper has markings on the back so
you 
> could advance the film by looking through a red window in the old days 
> before rapid wind levers. These markings were for 645 (16 shots) , 6 x 6
(12 
> shots) and 6 x 9 (8 shots) formats. The black paper lets you load the
film 
> in daylight. To load a new roll of film you move the empty spool left
from 
> the previous roll to the other position and put the new roll in its
place. 
> You thread the roll onto the empty spool, wind the camera till the arrow
on 
> the backing paper aligns with an index on the camera. Close the back and

> wind till you get to frame one. Some cameras even have automatic
indexing so 
> you don't need to fiddle with aligning arrows.
> 
> "In the 1950s a smaller spool was used for the same roll of film for 
> snapshot cameras called 620. 620 is no longer made, and you can respool
120 
> onto 620 spools."
> 

Thanks for the lesson.  I bought a Mamiya 645 Pro recently and was only 
familiar with 120 and 220.

Greg