Performance:
 
Focal Length: 75 - 300 mm 
Aperture  Maximum: f/4.0 - 5.6
Minimum: f/32 - 45  
Camera Mount Type: Canon EF 
Format Compatibility: 35mm Film / Full-Frame Digital Sensor, Canon (APS-C) 
Angle of View: 32° - 8° 
Minimum Focus Distance: 4.92' (1.5 m)
Magnification: 0.25x 
Maximum Reproduction Rati 1:4
Groups/Elements: 9/13 
Diaphragm Blades: 7 

Features
 
Image Stabilization; No 
Autofocus: Yes 
Tripod Collar: No 

Physical Characteristics

Filter Thread: 58 mm 
Dimensions (DxL): Approx. 2.8 x 4.8" (7.11 x 12.19cm)   
Weight: 1.06 lb (480g)