Description
Canon FD System:
- Lens Mount: Canon FD (Introduced in 1971)
- Compatibility: Manual focus lenses designed for Canon FD mount cameras like Canon A-1, AE-1, etc.
- Focal Length: 50mm (standard lens)
- Aperture: f/1.8 (fast aperture for low light and shallow depth of field)
- Focus: Manual focus
Canon EF System:
- Lens Mount: Canon EF (Introduced in 1987)
- Compatibility: Autofocus lenses designed for Canon EOS cameras (modern Canon DSLRs and mirrorless cameras)
- Focal Length: 50mm (standard lens)
- Aperture: f/1.8 (often referred to as Canon EF 50mm f/1.8 STM)
- Focus: Autofocus
Usage and Considerations:
- Compatibility: Canon FD lenses are manual focus and require an adapter to be used on Canon EF or EF-S mount cameras due to the difference in flange distance.
- Image Quality: Canon FD lenses are known for their sharpness and optical quality, while Canon EF lenses benefit from modern coatings and autofocus technology.
- Adaptability: Adapters are available to mount FD lenses on EF or EF-S mount cameras, but functionality may vary, especially with autofocus and aperture control.
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