Confused about Arri Standard mount
Posted 10 March 2011 - 05:31 PM
Posted 10 March 2011 - 07:27 PM
With Cookes for example, it's fairly easy to distinguish them - Kinotels were for 16mm, Speed Panchros for 35mm.
Zeiss lenses are a bit trickier - generally you need to go by the focal length/aperture, and know which ones are which. The 16mm lenses tend to stick out further at the back, and obviously go to wider focal lengths. There's a comprehensive list of Zeiss cine lenses here:
A quick test to determine what format a lens is designed for is to hold the lens facing towards a bright light source that also contains some contrast pattern (a window with open blinds works well) and hold a piece of white paper 2 inches behind the lens mount seat (or just play with it until a sharp image forms). If the image circle has a diameter that would cover a 35mm frame, it's a 35mm format lens.
Posted 10 March 2011 - 08:17 PM
Posted 24 March 2011 - 12:45 AM
After a bit of digging, looks like one can generally tell by the number of digits in the price as well.