You're right.  In fact, the front element of the 110 lens is bigger  
(radially) than the same element of the K lens.  The rear element on the K  
is larger than that of the 110, though.

John

On Fri, 18 Aug 2006 17:32:43 +0100, graywolf <[EMAIL PROTECTED]> wrote:

> Simple: the lens elements in a 50/2.8 are very small in relation to the
> 35mm lens mount. Making it fit a much smaller lens mount produces a much
> smaller lens. The diameter of the glass is about the same though. That
> is what they did with the M300/4 which is why it has that distictive
> potato masher shape (while the could reduce the diameter of the barrel
> they could not reduce the diameter of the head). However, the D series
> cameras have the same mount as the 35mm cameras so they can not reduce
> the barrel by much. Note that what is happening here is just the
> opposite of the situation with long lenses.
>



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