why does wide angle converter weigh more than telecon?

Discussion in 'Digital Cameras' started by someone, Sep 23, 2003.

  1. someone

    someone Guest

    it is even heavier than the camera!
     
    someone, Sep 23, 2003
    #1
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  2. (someone) wrote in @news.singnet.com.sg:
    A wide angle converter is an inverted gallilean telescope,
    i.e. it is a positive rear lens, followed by a negative
    (front) lens. Moreover, the front lens must allow for a
    very wide angle view. Try to draw this on paper and you
    will find that it contains lots of glass.


    Roland
     
    Roland Karlsson, Sep 23, 2003
    #2
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