E300 Pix with Olympus OM lenses
     
 
Olympus provides an adapter to use older OM mount lenses. Since these are manual lens, there ain't no autofocus or autometering.
  Because of the smaller sensor size.on the E300. the older lens, designed for 35mm film, have a focal length of 2x
35 mm F2.8 -  
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75-150mm Zoom  
   
     
200 mm F4