Kodak Wide Field Ektar Shutter Speeds 10"

[ted_stoddard]

I have the above lens but am confused about the shutter speeds which

are the following

 

1 2 5 10 25 50

 

are they similar to newer lenses

 

with the following shutter speeds?

 

15 30 60 125 250 500 1000? and etc....

[Troll]

Yes, they are just intermediate between the newer shutter speeds. (1=1 second, 2= 1/2 second, 5=1/5 sec, etc)

[cole_petersburg]

1/50th differs from 1/60th by one-third of a stop. Frequently insignificant.<BR>

I wish they would just go with powers of two.

[michael_briggs2]

Your shutter has an older series of shutter speeds. Just pretend that they are the series that you are used to -- the shutter probably isn't accurate enough that the difference between the two series matters. If you believe that the difference between 1/50 and 1/60 matters for your use of the lens, you should measure the actual speeds.

[dave_s]

What Michael said. I bet shutter error is greater, but do your own tests. I have a (recently cleaned) Compur shutter that's out anywhere between 1/6 and a full stop at different speeds, but its consistent, so I can compensate.

 

I don't know how much accuracy you can dial in to your Supermatic, but some of those 1950s shutters are reputed to have generous tolerances. Maybe this is because they were designed for B&W materials that had a fair amount of latitude. Some of you will know much more about that than I do.