Canon EOS 5D Mark III User Manual page 6

carbon-­‐fiber b lades, a nd i s r ated t o m aintain u p t o 6 .0 f ps p erformance w ithout c ompromise, f or u p t o 1 50,000 c ycles. T he E OS 5 D
Mark I II a nd a ccessories l ike t he n ew W ireless F ile T ransmitter W FT-­‐E7A a nd G PS R eceiver G P-­‐E2 h ave e xtensive g asketing f or
improved d ust a nd w ater r esistance, e ven a t t heir c onnection p oints.
Self C leaning S ensor U nit
The S elf C leaning S ensor U nit f eatured i n t he E OS 5 D M ark I I h as b een o ptimized f or t he n ew E OS 5 D M ark I II t o d eliver e ven g reater
dust r emoval f or c learer i mages. T o p revent d ust a ccumulation, t he s ystem r emoves p articles a dhered t o t he s urface o f t he i nfrared
absorbing/ultraviolet-­‐blocking g lass i n a f rontward d irection b y v ibrating t he g lass w ith u ltrasound. T he p articles a re t hen a bsorbed
by a n a dsorbent a t t he b ottom o f t he u nit; t he u nit i tself i s c ompletely s ealed f or p rotection a gainst e xternal c ontaminants, a nd i ts
front f ace o f t he l ow-­‐pass f ilter 1 i s t reated w ith a n a nti-­‐dust f luorine c oating m aking i t e asier t o r emove d amp o r s ticky d ust
particles.
Sophisticated C omposition, S imply
Intelligent V iewfinder w ith S uperimposed L CD
The E OS 5 D M ark I II's I ntelligent V iewfinder o ffers a s harp, b right a pproximately 1 00% f ield o f v iew w ith a n a pproximate
magnification o f . 71x, a v iewing a ngle o f 3 4.1° a nd a 2 1mm e ye-­‐point. W ith a n ew c onstruction f eaturing a spherical l ens e lements,
the v iewfinder d isplays l ess d istortions a nd c olor a berrations t han p revious m odels. I t u ses a t ransparent L CD t o s uperimpose a
customizable c ombination o f f ocus p oints a nd g ridlines d irectly o ver t he i mage. T he A F s tatus i ndicator c an e ven b e d irected t o
display w ithin o r o utside o f t he v iewfinders i mage a rea. W ith t he i ntelligent v iewfinder, u nlike w ith o ther c ameras, t he p hotographer
has t he c hoice o f s eeing s hooting i nformation o r l ooking o nly a t t he s cene i n f ront o f t he c amera. T he a bility t o e ffectively e rase a ll
shooting d ata a nd t urn i t b ack o n w ith t he t ouch o f a b utton g ives t he p hotographer t he o pportunity t o c oncentrate s imply o n
looking a nd c omposing t he p hotograph w ithout d istraction, a g reat a dvantage i n n umerous s hooting s ituations.