This is a zoom lens EF 75-300mm 1:4-5.6 III

Features

• Diagonal Angle of View: 32° 11'-8° 15'
• Lens Construction (elements/groups): 13/9
• No. of Diaphragm blades: 7
• Minimum Aperture: 32-45
• Closest Focusing Distance (m): 1.5
• Maximum Magnification (x): 0.25 (at 300mm)
• Filter Diameter (mm): 58

The optical system, construction, and exterior are the same as the EF 75-300 mm f/4-5.6 III USM’. The difference is that it uses a DC motor instead of a USM to drive the AF

This lens has the same optical system, construction, and exterior design as the EF 75-300mm f/4-5.6 III USM lens however instead of having a USM, it has a micro motor.