MM's

Started Dec 8, 2012 | Discussions thread
jakesan
Regular MemberPosts: 148
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Re: MM's
In reply to barricwiley, Dec 8, 2012

They are the same:  1200mm = 215mm

215mm is tha ACTUAL value.

1200 is the equivalent in 35mm film world... is it simply a common reference point (it assumes everyone if familiar with 35mm film equipment!).

Why the difference?  It pretty much boils down to sensor size.  A smaller sensor gives higher magnification for the same lens when compared to a larger sensor.  You trade magnificataion for quality.

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