Canon T 90 User Manual
Page 15
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6. PMS SHUTTER
Canon developed the PMS (permanent magnet
shutter), permitting complete electronic control
between 1/4000 and 30 secs, effective for fill-in
flash photography This shutter is more stable
and durable thanks to four front shutter blades,
and four in the back, made of specially-coated
superduralmin. Another feature of this shutter is
that 1/2-step shutter speed settings such as
1 /3000 or 1 /750 are possible for the fastest shut
ter speed which applies to any situation.
7. LARGE LCD PANEL AND
VIEWFINDER INFORMATION
A lot of shooting information: film transport,
shooting mode, metering mode, shutter speed
and aperture value, is displayed on the large
liquid crystal display panel and in the viewfinder.
Reading the information, however, is fuss-free
because only the information required at the
time will be displayed. In addition, an illumination
function for the LCD panel is provided and the
viewfinder information can be completely turned
off, if unnecessary.