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3.0&&&&&&&&&&&LIMITATIONS&OF&THE&CURRENT&EOS&SYSTEM&!
Assessing!the!current!EOS! system! in!the! context!of! future!considerations!exposes!some! limitations!as!
follows:!
1. Insufficie n t! flexibilities ! in! m o u nt!diame te r ! and! back! f o cu s ! distance! to! accommodate! all! of!
the!increasingly!diverse!requirements!in!zoom!and!prime!lenses!
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2. Limited!speed!of!the!electronic!communication!between!lens!and!camera!
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3. Limited! electronic! chan nels! between! lens! and! cam era! to! accom mo date! new! o perational!
aspirations!!
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4. Constraints!in!sensor-based!AF!operational!capabilities!
Collectively,! these! considerations! make! a! compelling! case! for! a! m ore! encompassing! approach! to! the!
intercha n ge a b le! lens-cam era! system ! going! forward.! ! ! A! ne w! lens! system ! is! pivotal! to! form! an!
underpinning!core!to!the!new!EOS!R!system.!
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4.0& &&&&&&&&A&CHANGING&GLOBAL&MARKETPLACE&
Digital! imaging! has! been! with! us! for! almost! a! quarter! century.! ! But,! the! past! decade! has! seen!
extraordinary!advances! in! both! image! performance! and! creative! flexibilities! offered! by! contemporary!
lenses!a nd!cameras.!!The!former! lines!separating!still!and!motion! imaging!are!blurred,!image!resolution!
has!soared,! and!end!user!demands!for! m ore! operational! empowerments! are!unceasing.!! Applications!of!
intercha n ge a b le!le n s - ca me ra!systems!continually!broaden.!
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