Lens Mount
Tools
These are some common tools used to work on this device. You might not need every tool for every procedure.
Identification
The lens model will be marked on the outer side of the front lens ring. It is marked as "CANON ZOOM LENS EF 16-35mm 1:2.8 L USM".
Technical Specifications
General:
- Focal Length: 70-200 mm
- Maximum Aperture: f/2.8
- Minimum Aperture: f/22
- Closest Focus Distance: 0.28 m
- Maximum Magnification: 0.22 x (at 35 mm)
Construction:
- Lens Groups: 10
- Lens Elements: 14
- No. of Diaphragm Blades: 7
- AF Actuator: USM
Physical:
- Lens Mount Type: Canon EF
- Filter Diameter: 77 mm
- Maximum Diameter x Length: 83.5 x 103 mm
- Weight: 600 g
Accessories:
- Lens Hood: EW-83E
- Soft Case: LP1319
- Magnification - Extension Tube TF12 II: 0.87 - 0.36
- Magnification - Extension Tube TF25 II: 1.09 - 0.80
Source: Canon Camera Museum Webpage & Canon Specifications Page