Overview
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. - Canon EF 800mm f/5.6L IS USM Lens
- 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 situations.
Features:
- The image stabilizer gives the equivalent effect of a shutter speed four stops faster. The lens also has a second image stabilizer mode that is optimized for following shots of moving subjects
- The lens features outstanding image quality through the use of fluorite, super UD and UD lens elements
- Ultrasonic motor (USM) for quick and quiet autofocusing
- Manual focusing is available after the subject comes into focus in autofocus mode (ONE SHOT AF)
- The AF Stop button for stopping the AF operation at anytime
- Focus preset enables you to focus instantly at a preset distance
- A truly round aperture hole results in a nicer background blur
- The lens is compatible with Extender EF1.4X II and EF2X II
- Tight seal structure ensures excellent dustproof and drip-proof performance
- Designed for lighter weight with parts made of magnesium alloy
Panel Features:
What's in the Box?
- Canon EF 800mm f/5.6L IS USM Lens
- E-180D Lens Cap for EF 400mm f/2.8L IS II USM
- Lens Dust Cap E (Rear)
- Lens Case 800
- 52mm Drop-in Filter Holder
- ET-155 Lens Hood
MTF Charts
Modulation Transfer Function or "MTF" is a measurement of the optical performance potential of a lens.
Image Stabilizer Settings
- Set the STABILIZER switch to ON
- Select the stabilizer mode: MODE 1: Corrects vibrations in all directions. It is mainly effective for shooting still subjects : MODE 2: It compensates for vertical camera shake during following shots in a horizontal direction and compensates for horizontal camera shake during following shots in a horizontal direction and compensates for horizontal camera shake during following shots in a vertical direction
- When you press the shutter button halfway , the image stabilizer will start operating
Tips on Using the Image Stabilizer
- n Semi-darkened areas such as indoors or outdoors at night
- In locations where flash photography is prohibited such as art museums and theater stages
- In situations where your footing is uncertain
- In situations where fast shutter settings cannot be used
- When panning subjects in motion
Setting the Lens
Specifications:
- Focal Length & Maximum Aperture...............800mm f/5.6
- Lens Construction..........................18 elements in 14 groups
- Diagonal Angle of View.................. 3° 5' (with full-frame sensor camera)
- Focus Adjustment ...........................Ring-type Ultrasonic Motor, with inner focus system; mechanical manual focus
- Closest Focusing Distance ...............19.7 ft./6.0m (maximum close-up magnification: 0.14x)
- Filter Size.......................................52mm (Drop-in Gelatin Filter Holder)
- Max. Diameter x Length, Weight ................ 6.4 in. x 18.1 in./162mm x 461mm (maximum lens length); 9.9 lbs./4,500g