View Single Post
  #4 (permalink)  
Old 01-28-2008, 04:25 PM
smc1377's Avatar
smc1377 smc1377 is offline
Critique | Share My Shots Moderator
 
Join Date: Dec 2006
Location: Kansas City, USA
Posts: 1,898
Default

Quote:
Originally Posted by wulf View Post
3x just means that your lens lets you make something appear three times closer if you go from no zoom to full zoom.
And to further expand on this, an 18-55 is a 3X zoom as well as a 100-300 lens.

18mm x 3 = 54mm (close enough to 55mm)
100mm x 3 = 300mm

So while both lens are 3X, they both are drastically different on how far they can "zoom".

So yeah, the "X" means nothing more than the factor you multiply the wide end to get the telephoto end of the zoom.
Reply With Quote