Canon EF 16-35mm f/2.8L II USM, Instruction

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2. Setting the Focus
Mode
T o s h o ot i n a utofocu s (A F ) m o d e, se t th e f oc u s
mode sw it c h to AF .
To use o nl y manual f oc u s in g (M F ), set th e f ocus
mode sw it c h to M F , a n d foc u s b y turnin g th e
foc u s in g rin g. The fo c u s in g r i n g a l way s wo r ks ,
rega rdl ess o f th e fo c u s m o d e.
l ] ]
Af t e r aut o f oc u s ing i n O N E S HO T A F mode , f oc u s
manua ll y by p r ess i n g th e s h u tt er b ut ton h a lf way
a n d t u rnin g t he f oc u s in g ri ng. ( Ful l - t ime m a nu al
f oc u s)
4. Infinity Com~ensation Mark
To c omp e n sa t e f or s hif t ing o f the infin i ty focu s
po int th a t r es u l t s f ro m c h a nges i n temperature.
Th e infin i t y p os ition a t n o rm a l t e mperature i s th e
po in t a t w hi c h th e vert i ca l lin e of the L mark i s
a l i g n ed w ith th e d i s t a n ce ind i ca t o r o n the
di s t a n ce sca l e .
o
B e sure to fini s h zoo mi ng b e f o r e fo c usin g.
C h anging th e zoo m rin g a ft er f oc us i n g ca n af f ec t
t he foc u s.
o
F o r acc ur a t e m a n ua l foc u s in g o n sub je cts a t
in fini t y distance , l ook t h r o u g h th e v i ew fi n de r w h i l e
r ota t i n g t h e focusi n g ri n g.
( 1 .5
0 . 5
L .. ~~
•. .
16
Th e infr a r e d in dex co rr ec t s th e f oc u s se tt i n g w h e n u s ing
m o n oc hr o m e i n fr a r e d film . F oc u s o n th e s u b j ec t
m an u a ll y , th e n ad ju st t he d i s t a n ce se tt i n g b y m ov in g th e
foc u s i ng ri ng t o t he corres p on din g i n f ra r ed i n dex m ark .
o
Some E OS cameras ca n no t use i n fr a r ed film . See
t h e i n struc ti ons fo r yo ur EO S ca m e r a.
l]] •
Th e i nfr a r e d in dex posi t ion i s b ased o n a
waveleng t h of 800 n m.
• The compensa ti on amo unt d iff ers depe n ding o n
th e f oca l le n g th . U se th e i n dicate d f oca l l e n gt h
as a g ui de w h e n se tt i n g th e co mp e n sa ti o n
a m o un t .
• B e s ur e t o o b se rv e th e m a nuf ac tur e r 's
in s tru c ti o n s w h e n u s in g i n fr a r e d fi l m .
• U se a r e d fil te r a l so w h e n yo u t a k e t h e p i c tur e.