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Using Extenders (Sold Separately) with the EF 800mm f/5.6L IS USM lens

Extenders Focal length ( mm ) ... f /8 - 45 f /11 - 64 Angle of View ... 2° 10 ' 1° 30' ... 1° 10 '

Specifications for the EF 800mm f/5.6L IS USM lens

EF 800mm f / 5.6 L IS USM ... 800mm f / 5.6 Lens Construction 14 groups, 18 elements Minimum Aperture f /32 Angle of View ... Approx. 171 x 256 mm / ... 163 x 461 mm /6.4 x 18.1 inch Weight ... Add 26.5 mm when including the lens cap and dust cap.

Using Focus Preset on the EF 800mm f / 5.6 L IS USM lens

Using drop-in filters with the EF 800mm f / 5.6 L IS USM lens.

Using the tripod mount on the EF 800mm f/5.6L IS USM lens

Instructions for using the tripod mount on the EF 800mm f / 5.6 L IS USM lens, and how to replace it.

Using Extension Tubes (Sold Separately) with the EF 800mm f/5.6L IS USM lens

You can attach extension tube EF12 II or EF25 II for magnified shots. The shooting distance and magnification are shown below. Camera-to-Subject Distance ( mm ) Magnification Near Far Near Far EF12 II 5466 51418 0.16x 0.02x EF25 II 4982 24356 0.19x 0.04x

Using the AF Stop Button on the EF 800mm f/5.6L IS USM lens

AF Stop Button With the EOS 630/600, RT, A2/A2E/5, or 10 S/ 10 set to the AI Servo AF mode and continuous shooting, AF will not resume even after you let go of the AF stop button. Press the shutter release button halfway to resume AF.