ok I have seen it ask but i have never seen them compared..
CanonEF75-300mmf no IS vs CanonEF100-400mm
Resolution: 800 x 533
Flash used: No
Focal length: 300.0mm (35mm equivalent: 486mm)
CCD width: 22.20mm
Exposure time: 0.0003 s (1/3200)
Aperture: f/18.0
ISO equiv.: 800
Whitebalance: Auto
Exposure: program (auto)
Resolution: 800 x 533
Flash used: No
Focal length: 300.0mm (35mm equivalent: 486mm)
CCD width: 22.20mm
Exposure time: 0.0003 s (1/3200)
Aperture: f/18.0
ISO equiv.: 800
Whitebalance: Auto
Exposure: program (auto)
crops..










