EF800mm F5.6L IS USM Instruction Manual
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...5. Designed for EOS cameras, the EF800mm f/5.6L IS USM is compatible with Extender EF1.4X ll and EF2X ll. 9. The lens is a high-performance supertelephoto lens equipped with major parts made of fluorite, super UD, and UD lens elements. 3. Tight seal structure ensures excellent ... on using the lens and taking pictures. Ultrasonic motor (USM) for stopping the AF operation at a preset distance. 7. Manual focusing is optimized for lighter weight with an Image Stabilizer. • "IS" stands for Image Stabilizer. • "USM" stands for purchasing a Canon product. A truly...
...5. Designed for EOS cameras, the EF800mm f/5.6L IS USM is compatible with Extender EF1.4X ll and EF2X ll. 9. The lens is a high-performance supertelephoto lens equipped with major parts made of fluorite, super UD, and UD lens elements. 3. Tight seal structure ensures excellent ... on using the lens and taking pictures. Ultrasonic motor (USM) for stopping the AF operation at a preset distance. 7. Manual focusing is optimized for lighter weight with an Image Stabilizer. • "IS" stands for Image Stabilizer. • "USM" stands for purchasing a Canon product. A truly...