Canon 300 EZ User Manual
Page 15
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
Auto Internal Zoom Mechanism
The Speedlite 300EZ has an auto zoom
mechanism which automaticaiiy adjusts
fiash coverage angle to use flash energy
more effectively.
When the shutter button is pressed halfway,
the flash head position automatically ad
justs according to the lens focal length.
When using a zoom lens, it also switches
automatically according to zooming. The
position setting of 28, 35, 50 or 70mm will il
luminates in the zoom mechanism position
indicator on the back of the flash.
•The guide number varies according to the
flash head position, see p.23.