Canon EF-S 17-85mm lens Disassembly/fix
Tools
These are some common tools used to work on this device. You might not need every tool for every procedure.
Identification
Check the front lens ring for the text "CANON ZOOM LENS EF-S 17-85mm 1:4-5.6 IS USM".
Technical Specifications
General:
- Focal Range: 17-85 mm
- Maximum Aperture: f/4-5.6
- Minimum Aperture: f/22-32
- Closest Focusing Distance: 0.35 m (1.2 ft)
- Maximum Magnification: 0.20 x (at 85 mm)
Construction:
- Lens Groups: 12
- Lens Elements: 17
- No. of Diaphragm Blades: 6 (circular aperture)
- AF Actuator: USM
- Image Stabilizer OIS: 3-steps
Physical:
- Lens Mount Type: Canon EF-S
- Filter Diameter: 67 mm
- Maximum Diameter x Length: 78.5 x 92 mm
- Weight: 475 g
Accessories:
- Lens Hood: EW-73B
- Lens Case/Pouch: LP1116
- Magnification - Extension Tube EF12 II: 0.43 - 0.14
- Magnification - Extension Tube EF25 II: 0.72 - 0.33
Source: Canon Camera Museum Webpage & Canon Lens Specifications