Image size: | 24x36mm |
Macro feature: | None |
Zoom type: | | 6-group linear zoom (zoom extension: 79.6mm) | | Front of lens barrel moves |
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Lens mount type: | Canon EF mount |
Focal length, aperture ratio: | 100-400mm, 1:4.5-5.6 |
Minimum focusing distance: | 1.8m |
Manual focusing: | Set focus mode switch, operate manual focusing ring (full-time mechanical manual focusing system) |
Dimensions and weight: | 92mm diameter x 189mm, 1360g (prototype weight) |
Magnification: | | At 100mm - 0.06x | | At 400mm - 0.20x |
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Angle of view at infinity: | | Diagonal (43.2mm) - 24ø-6ø | | Vertical (24mm) - 14ø-3ø | | Horizontal (36mm) - 20ø-5ø |
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Field: | | At 100mm - 393x591 | | At 400mm - 119x177 |
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Coating: | Super spectra coating |
Filter size: | 77mm diameter, P=0.75mm. (Up to 1 filter attachable) |
Lens configuration: | 17 elements in 14 groups (fluorite element for G3, Super UD glass for G7) |
Aperture blades: | 8 |
Aperture control: | Pulse control with EMD (enabled simultaneously with AF drive) |
Aperture value/indicator: | Maximum: f/4.5-5.6 (indicator on lens barrel), Minimum: f/32-38 (f/32-40 for lenses featuring 1/3-stop increments |
Rotation angle: | 62ø |
Drive system: | Ring USM drive |
Drive noise: | 40dB or less (based on Canon's Standard Test Method) |
Drive speed: | H/0.54 to L/1.67 seconds or shorter (lens drive speed from infinity to minimum focusing distance) |
Depth of field markings: | None |
Signal transmission: | | EOS signal transmission, including 5 types of information (including absolute distance information) | | 1 - Lens mode | | 2 - Lens type | | 3 - Metering information | | 4 - Focal length | | 5 - AF drive information |
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Focusing range: | 1.8m to infinity (at all focal lengths) |
Infrared index: | Provided |
Focusing extension mechanism: | Rear-focusing method, with focusing cam operating the floating elements, groups 4 and 6 |
Focusing distance limiting switch: | | Two focusing distance ranges can be set | | 1 - 1.8m-infinity | | 2 - 6.5m-infinity |
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