(1) Code V中計使用 eva (oal s1..i z1)計算鏡頭長度時是把像面離焦量包含在內的。 ,I*X)(
(2) 使用movie.len,計算其三個變焦位置的總長如下 )BV=|,j
(OAL Z1 S1..I) = 107.522580166499 qJs[i>P[W
(OAL Z2 S1..I) = 107.568305499122 =d20Xa
(OAL Z3 S1..I) = 107.525471335228 6nw&$I
不一樣長。拿掉離焦量 Etnb3<^[t
THI Z1 S26 0 M23&<}Q8
THI Z2 S26 0 N7.
@FK
THI Z3 S26 0 eO4)|tW
再計算一次總長如下 WVL#s?=g
(OAL Z1 S1..I) = 107.554580166499 Q)6va}2ai
(OAL Z2 S1..I) = 107.542305499122 P\B3
y+)
(OAL Z3 S1..I) = 107.544471335228 6mG3fMih.
還是不一樣長。說明此案例在沒有離焦時也無精確保持等長。也可以不用歸零離焦量而直接求得同樣長度如下 E3\ZJjG
(OAL Z1 S1..I)-(CT SI Z1) = 107.554580166499 5j[#'3TSU
(OAL Z2 S1..I)-(CT SI Z2) = 107.542305499122 !]DuZ=
(OAL Z3 S1..I)-(CT SI Z3) = 107.544471335228 ~Yl$I,
23E0~O
(3)是的,優(yōu)化時是以離焦面的成像品質為準。 H@!#;w