Quick answer
The Canon FD 100-300mm f/5.6 is a short telephoto to telephoto telephoto zoom lens covering 100-300mm at f/5.6 for the Canon FD mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
Canon FD 100-300mm f/5.6: a manual-focus telephoto zoom lens with a 100-300mm focal length and a maximum aperture of f/5.6, made for Canon FD mount cameras. The range suits sports, wildlife, events and portraits.
Canon FD 100-300mm f/5.6 specifications
- Brand
- Canon
- Mount
- Canon FD
- Focal length
- 100-300mm
- Maximum aperture
- f/5.6
- Lens type
- Telephoto Zoom
What can you shoot with the Canon FD 100-300mm f/5.6?
At 100-300mm this is a short telephoto to telephoto telephoto zoom, which typically suits:
- Portraits with a flattering perspective
- Events and weddings
- Isolating subjects from the background
- Sports and action
- Wildlife and birds at moderate distance
Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera). Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 100–300mm | 6.9–20.4° | 8.2–24.4° |
| APS-C | 1.6x | 160–480mm | 4.3–12.8° | 5.2–15.4° |
| Micro Four Thirds | 2.0x | 200–600mm | 3.4–10.3° | 4.1–12.3° |
Frequently asked questions
What mount does the Canon FD 100-300mm f/5.6 use?
It uses the Canon FD mount, so it fits Canon FD cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Canon FD 100-300mm f/5.6?
It zooms across 100-300mm with a maximum aperture of f/5.6. That makes it a short telephoto to telephoto lens.
Is the Canon FD 100-300mm f/5.6 a prime or a zoom lens?
It is a zoom lens covering 100-300mm, so you can reframe without moving. Its maximum aperture is f/5.6.
What is the Canon FD 100-300mm f/5.6 equivalent on a crop sensor?
On APS-C (1.6x crop) it frames like 160–480mm on full frame, with a 4.3–12.8° horizontal and 5.2–15.4° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 200–600mm on full frame, with a 3.4–10.3° horizontal and 4.1–12.3° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for Canon FD from other brands
All Canon FD lensesSame mount, overlapping focal range, closest maximum aperture first.
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