Aii u, It til, Itnt – Canon T 70 User Manual

Page 91

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.

7

10 15

30 It

5

2 , 3 -|5 10 00 m

I 111 l-r-l. 1 « 1 I

n

It til

4

I

4

Itnt

a

II U

2 2

2) Ora^v ii^&Qinary lines

Uom

those tvic num-

bers

to

:ne

distance

scale.

The

eUectv/e

depth

of

field

lies

beiv^een

those

Iv^odis*

lances.

For

example,

using

a

standard

50

mm lens iocLsed at 3 m v#^th the aperture set

at 1^6. dep<h of l»eti extends horn 2 4 m to 4 5

m. Any subject ffom 2.4 m to 4 5 m av^ay will

he *r reasanably sharp locus.

63

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