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13.4& &&&Comparison&of&EOS&R&Lens-Camera&System&with&EF&Lens&and&
DSLR!
A!sense!of!the!significant!compactness!that!the!EOS!R!camera!system!can!offer!is!shown!in!the!outline!
drawing!of!Figure!46!which!compares!it!to!the!C an o n !E O S !5 D !Mark!IV.!
!! !!!!!!!!!!!!!!!! !
Figure&46! Outline$drawing$of$a$new$EOS$R$camera$system$(lower)$compared$to$an$equivalent$
Canon$EOS$5D$Mark$IV$camera$(upper)$
The!EOS!R!system!has!a!flange!focal!distance!of!just!20mm,!a!distance!that!was!carefully!optimized!to!
support!the!optim al!op tical!con dition s!pro vide d!b y!a!sh ort!ba ck!fo cal!dista nce !an d!the !mechanical!
rigidity!needed!to!reliably!support!a!heavy!lens.!!
$
39!
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