| Abbreviations | |
|---|---|
| FD | The lens is designed for Canon 35mm film SLR cameras with the Canon FD mount |
| N | (Unofficial acronym) A new generation of FD series lenses without the breech-lock ring |
| Optical design | |
|---|---|
| Focal length range | 35mm – 70mm [2X zoom ratio] |
| Speed range | ƒ/3.5 @ 35mm – ƒ/4.5 @ 70mm |
| Maximum format | 35mm full frame |
| Mount and Flange focal distance | Canon FD [42mm] |
| Diagonal angle of view | 63.4° @ 35mm - 34.3° @ 70mm (35mm full frame) |
| Lens construction | 9 elements in 8 groups |
| Diaphragm mechanism | |
|---|---|
| Diaphragm type | Automatic |
| Aperture control | Aperture ring (Manual settings + Auto Exposure setting) |
| Number of blades | 8 |
| Zooming | |
|---|---|
| Zoom mechanism | Manual |
| Zoom control | Zoom ring |
| Zoom type | Rotary |
| Focusing | |
|---|---|
| Closest focusing distance | 0.5m |
| Magnification ratio | 1:6.67 @ 70mm |
| Focusing modes | Manual focus only |
| Manual focus control | Focusing ring |
| Physical characteristics | |
|---|---|
| Weight | 200g |
| Maximum diameter x Length | ⌀63×60.9mm |
| Accessories | |
|---|---|
| Filters | Screw-type 52mm |
| Lens hood | BW-58C - Bayonet-type round |
| Teleconverters | Canon Extender FD 2X-B → 70-140mm F/7-9 |
Sources of data