Lens Construction      : 13/15
(Groups/Element)
Angle of View          : 75°33'-7°59'
Type of Zooming        : Rotation
Diaphragm Blade Number : 7
Filter Diameter        : 62mm
Mount Available        : Nikon

Not Compatible with Nikon D40 , D40X and D60

Lens Construction      : 9/13
(Groups/Element)
Angle of View          : 34°21'-8°15'
Type of Zooming        : Rotation
Diaphragm Blade Number : 9
Filter Diameter        : 62mm
Mount Available        : Canon EOS , Nikon AF-D

NOT Compatible with Nikon D40 , D40x and D60

Lens Construction      : 9/13
(Groups/Element)
Angle of View          : 34°21'-8°15'
Type of Zooming        : Rotation
Diaphragm Blade Number : 9
Filter Diameter        : 62mm
Mount Available        : Canon EOS

Lens Construction      : 9/10
(Groups/Element)
Angle of View          : 27°
Diaphragm Blade Number : 9
Filter Diameter        : 55mm
Mount Available        : Nikon , Canon
Used only for DSLR Cameras