User Manual

Copyright 2012 Page 57
1
st
0
1
0
0
b09
b08
b07
b06
2
nd
0
1
b05
b04
b03
b02
b01
b00
Range: 0 – 1000 for Zoom Lenses
[This field not included in these early versions of S4I Prime lenses]
Normalized Zoom Value Z: (Note: Response depends on Lens Version #)
Z: Normalized Zoom Value – 0.00 to 1.00 for S4I Zoom and RED versions up to and
including 1.21, 1.30 and 3.02
7 bits in 1 byte (character)
Z
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
1
nd
1
b06
b05
b04
b03
b02
b01
b00
Range: 0 – 100 for Zoom Lenses
[This field not included in these early versions of S4I Prime lenses]
Response for lens versions AFTER 0.21, 0.34, .22 and 1.31:
Issue
Kd[C/R]
Tag = d
Response
d s s s s TT t t z z h h h h n n n n f f f f v v e e Z Zxxxxxxxxx [L/F][C/R]
Response Values
Definition
d
Tag
ssss
Focus Distance
TT
Aperture Value – Actual Aperture Setting
tt
Aperture Ring T Stop Integer x 10 & the 1/10
th
fraction
zz
Zoom - EFL (mm) [0000 for Prime lenses]
hhhh
Hyperfocal Distance
nnnn
Near Focus Distance
ffff
Far Focus Distance
vv
Horizontal Field of View
ee
Entrance Pupil Position
Z or ZZ
Normalized Zoom Value – (see 10 bit and 12 bit ADC versions below for format)
[This field not included in these early versions of S4I Prime lenses]
xxxxxxxxxx
Lens Serial Number [ASCII format]
Response Values: d, sss, TT, tt, zz, hhhh, nnnn, ffff, vv, ee are the same as those
described in Section 5.1.3.