Canon EF 400mm f/2.8L IS USM Super Telephoto Prime Lens Features & Technical Specs


SUPER TELEPHOTO L-SERIES LENS WITH AN IMAGE STABILIZER FOR USE IN TRACK AND FIELD SPORTS AS WELL AS LOW-LIGHT NATURE AND WILDLIFE PHOTOGRAPHY. THE FLUORITE ELEMENT AND TWO UD-GLASS ELEMENTS RESULT IN HIGH RESOLUTION AND HIGH CONTRAST. THE RING USM AND AN IMPROVED AF DRIVE ALGORITHM MAKE THE AF SPEED THE FASTEST IN THE WORLD WHEN USED WITH THE EOS-1V AND EOS-3. THIS LENS HAS THE SAME AF STOP AND FOCUS PRESET FEATURES AS THE EF 300MM F/2.8L IS USM.

Estimated Retail Price
$7,999.00
Focal Length & Maximum Aperture
400mm 1:2.8
Lens Construction
17 elements in 13 groups
Diagonal Angle of View
6° 10'
Focus Adjustment
Inner focusing system with USM
Closest Focusing Distance
3m / 9.8 ft.
Filter Size
52mm Drop-In
Max. Diameter x Length, Weight
6.4" x 13.7", 11.8 lbs. / 163.0 x 349.0mm, 5370g



Comments

  1. GroupdmtFebruary 3, 2012 at 2:03:00 PM GMT+8

    Really i appreciate the effort you made to share the knowledge.The topic here i found was really effective and useful.
    photo retouches

    ReplyDelete

Post a Comment

Popular posts from this blog

Canon EF 800mm f/5.6L IS USM Super Telephoto Prime Lens Features & Technical Specs

Image
THIS IS THE LONGEST TELEPHOTO LENS AMONG CANON'S LINEUP, AND A TERRIFIC CHOICE FOR ANY LONG-DISTANCE APPLICATION-OUTDOOR SPORTS, WILDLIFE, NEWS PHOTOJOURNALISM, AND SO ON. IT'S ACTUALLY LIGHTER THAN CANON'S EF 600MM F/4L IS LENS, WEIGHING JUST UNDER 10 LBS. IT USES A REFINED OPTICAL DESIGN, WITH TWO FLUORITE LENS ELEMENTS, ONE UD ELEMENT, AND ONE SUPER-UD-GLASS ELEMENT, FOR OUTSTANDING CORRECTION OF COLOR FRINGING AND SUPERB CONTRAST AND SHARPNESS. THIS SUPER-TELEPHOTO LENS USES MAGNESIUM-ALLOY BARREL CONSTRUCTION TO ENHANCE ITS LIGHT WEIGHT, AND HAS WEATHER-RESISTANT GASKETS THROUGHOUT FOR USE IN HARSH CONDITIONS. IT'S COMPATIBLE WITH BOTH THE EF 1.4X II AND 2X II TELE EXTENDERS FOR EVEN MORE REACH: EOS CAMERAS WITH 45 AF POINTS WILL CONTINUE TO PROVIDE AUTOFOCUS AT THE CENTER AF POINT WHEN THE LENS IS USED WITH THE 1.4X EXTENDER. FINALLY, IT'S IMAGE STABILIZED, PROVIDING UP TO 4 STOPS OF CORRECTION FOR CAMERA SHAKE. THIS MAKES IT EVEN MORE PRACTICAL IN MANY
Read more

Canon EF 50mm f/1.2L USM Technical Specs

Image
The EF 50mm f/1.2L USM is a peerless new standard lens featuring an ultra-large aperture for a narrow depth of field and soft background blur so loved by photographers everywhere. The EF 50mm f/1.2L USM is suitable for any shooting situation; its lens coating and construction are optimized to minimize the ghosting and flare that frequently occurs when lenses are used with digital cameras. This high-performance, weather-resistant lens delivers all the superb image resolution and contrast you expect in a Canon L Series Lens. Estimated Retail Price $1,619.00 Focal Length 50mm   Maximum Aperture f/1.2 Lens Construction 8 elements in 6 groups Diagonal Angle of View 46° (with full-frame cameras) Focus Adjustment AF with full-time manual Closest Focusing Distance 1.48 ft. / 0.45m Filter Size 72mm Max. Diameter 3.4 in. x 2.6 in Weight 545g Canon EF 50mm f/1.2 L USM Lens for Canon Digital SLR Camera
Read more