Type : |
Canon EF mount (metal). |
Focal Length : |
400mm. |
Maximum Aperture : |
F/4. |
Optical Construction : |
17 elements in 13 groups (2 diffractive optical elements and 1 fluorite element) with Super Spectra Coating. |
Angle of View : |
6 degrees 10 minutes (diagonal at infinity). |
AF Drive System : |
Ring type USM. |
AF Drive Noise : |
42 dB or lower. |
Manual Focussing : |
Enabled with focus mode switch and focus ring (full time mechanical MF mechanism). |
Focus Range : |
3.5m to infinity or 2.8m to infinity (switchable). |
EF Signal Transmission : |
5 types Lens status, Lens type, Metering information, Focal length, AF drive information. |
Aperture Control : |
Pulse control with EMD. |
Aperture Range : |
F/4 to F/32. |
Aperture Blades : |
8. |
Filter Size : |
Drop-in gelatin holder 52mm. |
Hood : |
ET120. |
Lens Cap : |
E-145II. |
Lens Case : |
Fitted. |
Gelatin Filter Holder : |
Drop-in at rear. |
Dimensions : |
128mm x 232.7mm. |
Weight : |
1940 grams. |
As a result of the special optical characteristics of the multi-layer diffractive optical element, a ring of light may occasionally occur around extremely bright light sources such as mercury lamps in a night scene.: |
All data based on Canon's Standard Test Method: |
Subject to change without notice: |
**Please note - for a complete list of standard inclusions and optional accessories, contact your nearest Canon dealer. Not all items listed in the specifications come as standard: |
