Canon EOS 1 Instruction Manual - Page 87
EF 28-80/2.8-4L USM, EF 300/2.8L USM
UPC - 013803119602
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Page 87 highlights
Custom Function Chart Operation Useful Situations Reference Page No. Autofocus starts when shutter button is 2: For sports photography using focus pressed halfway. Focus is locked when prediction in AI Servo AF mode, this AE lock button ( ) is pressed. option lets the photographer tem- • AE lock is not possible when "2" is set. porarily stop the focus. Shutter speed set by main dial. Aperture When making manual exposure adjust- 60 value set by quick control dial or by com- ments, this function lets the photograph- bined operation of exposure compensa- er choose whether to use the main dial tion button ( ) and main dial. for adjusting the shutter speed or aper- ture value. This option is convenient for Aperture value set by main dial. Shutter studio flash photography where the speed set by quick control dial or by shutter speed is kept constant while the combined operation of exposure com- aperture is frequently varied to alter pensation button ( ) and main dial. depth of field and exposure. • For operation when combined with custom function F-11, refer to "Combined Use of Custom Functions F-5 and F-11" on page 92. Shutter speed, aperture value and This function lets the photographer 42 exposure compensation, flash exposure input shutter speed and aperture set- 45 compensation and AEB step amounts tings in any increment that he or she is 51 set in 1/3-stop increments. used to. 1/2-stop exposure compensa- 54 tion settings are also possible, providing 60 Shutter speed and aperture value set in wide flexibility to satisfy various shoot- 78 1-stop increments, and exposure com- ing styles. pensation, flash exposure compensa- tion and AEB step amounts set in 1/3- stop increments. Shutter speed, aperture value and exposure compensation, flash exposure compensation and AEB step amounts set in 1/2-stop increments. Manual focusing is possible. This option disables the manual focus- 36 • This function works only with lenses ing capability of the electronic ring proequipped with an electronic manual focus- vided on many USM lenses, eliminating ing ring. the possibility of accidentally turning the ring and shifting the focus after autofo- Manual focusing is prohibited. cusing is completed. • Manual focusing by setting the lens' focus mode switch to "M" is possible. Compatible Lenses EF 50/1.0L USM EF 85/1.2L USM EF 200/1.8L USM EF 300/2.8L USM EF 400/2.8L USM EF 500/4.5L USM EF 600/4L USM EF 1200/5.6L USM EF 28-80/2.8-4L USM 87