Canon EF 400 Spesifikasi

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Optical construction

Fluorite elements

Diffractive Optics elements

Image Stabilization optics

Autofocus

Minimum focus distance

Maximum magnification

AF limiter switch

Diaphragm

Aperture range

Number of diaphragm blades

Image Stabilization

Stabilizer operation

Stabilizer effectiveness

Stabilizer modes

Tripod operation

Weather Resistance

Weather-resistant construction

Accessories

Tele Extender compatibility

Extension Tubes EF 12, EF 25

500D close-up lens

Dimensions & Weight

Dimensions; length x ø

New Product Specifications

Canon Lens

EF 400 ƒ4.0

Optics

17 elements, in 13 groups

One (8th element)

Two (2nd and 3rd elements)

Multi-coating

Super Spectra coating used on all elements

Three element group toward rear of lens (elements 11~13)

AF motor

Ring-type Ultrasonic Motor

AF speed

Equivalent to new I.S. super telephotos (EF 300 ƒ2.8L IS, etc.)

Manual focus

Mechanical full-time Manual focus, even with lens in AF mode, on any EOS camera

11.5 feet (3.5m)

0.12x; fills the frame with a subject 11.6 x 7.7 inches (296 x 197mm)

1) 3.5m (11.5 feet) to infinity; 2) 2.8m (9.2 feet) to infinity

ƒ4 ~ ƒ32, settable in

Eight

Activated by pressing shutter button half-way

Up to two stops

• Mode 1: General hand-held shake prevention

• Mode 2: Correction for deliberate panning with a moving subject

Lens automatically switches Image Stabilization control within 1 second if solid mounting

is detected (similar to EF 300 ƒ2.8L IS, etc.)

• Rubber ring at lens mount (similar to EF 300 ƒ2.8L I.S., etc.)

• Switch panel is gasketed

• Manual focus and "playback" rings feature special over-lapping weather-resistant design

Filter size

52mm rear drop-in (gelatin filter holder included; screw-in and dedicated Polarizer available)

Lens Hood

ET-120 carbon-fiber (same as EF 300 ƒ2.8L IS lens)

Lens case

Exclusive polyethelene trunk case

Tripod mount

Removable (same as EF 300 ƒ2.8L IS lens)

Fully compatible with all Canon EF tele extenders

• EF 1.4x / 1.4x II: full AF with any EOS body

• EF 2x / 2x II: AF possible at center focus point only with EOS-1v and EOS-3 bodies

Fully compatible (max. magnification: EF 12–0.16x; EF 25–0.20x)

Not compatible (will not fit)

9.4 x 5.0 inches (232.7 x 128mm)

Weight

4.3 lbs. (1940g)

⁄

, or full steps, depending upon camera body used

IS USM