Canon Lens Assembly 1st Group (CY3-2560-000)

This Canon 1st Group Lens Assembly is the exact replacement part for the Canon EF 24-70mm f/2.8L II USM lens. It restores the front optical group, ensuring original image quality and weather sealing.

Highlights

• Precision optical group for Canon EF 24-70mm f/2.8L II USM
• Maintains constant f/2.8 aperture and L-series performance
• Super Spectra and Fluorine coatings for clarity and protection
• OEM part number CY3-2560-000

In daily use

Installing this assembly returns your lens to factory specifications. The first group is critical for light gathering and initial correction, so a genuine replacement ensures sharpness and contrast across the zoom range.

Full specifications

• Part Type: Lens Group Assembly
• Group Number: 1st Group
• MPN: CY3-2560-000
• Compatible Lens Model: Canon EF 24-70mm f/2.8L II USM
• Lens Mount Compatibility (Parent Lens): Canon EF
• Lens Series (Parent Lens): Canon L-series
• Lens Type (Parent Lens): Standard Zoom Lens
• Maximum Aperture (Parent Lens): f/2.8 (Constant)
• Focal Length Range (Parent Lens): 24-70mm
• Optical Construction (Parent Lens): 18 elements in 13 groups (this part is the 1st group)
• Lens Coating: Canon Super Spectra Coating (SSC), Fluorine Coating (on front element)
• Material: High-quality optical glass, metal/plastic housing
• Application: Repair and service of compatible lens
• Condition: New
• Dust and Water Resistance: Contributes to the overall weather-sealing of the parent lens
• Function: Primary light gathering and initial optical correction for the lens

Final note

Professional repair part for maintaining the legendary performance of the Canon EF 24-70mm f/2.8L II USM.