24
Technical Data
Signature Prime
25/T1.8
29/T1.8
35/T1.8
40/T1.8
Optical Parameters
Focal length
25 mm
29 mm
35 mm
40 mm
MOD
from sensor plane
(minimum marked
distance)
0.35 m / 14"
0.35 m / 14"
0.35 m / 14"
0.35 m / 14"
MOD from lens
front
0.13 m / 5.1"
0.13 m / 5.1"
0.13 m / 5.1"
0.13 m / 5.1"
Magnification ratio
at MOD
1:7.1
1:6.4
1:5.4
1:4.8
Entrance pupil po-
sition (related to im-
age plan, in direc-
tion to object plane)
177.6
mm / 7.01"
165.8
mm / 6.53"
162.1
mm / 6.53"
159.3
mm / 6.27"
Angle of view H-V-D
for LF Open Gate
73.0° /
54.4° / 84.0°
65.1° /
47.9° / 75.7°
55.5° /
40.2° / 65.3°
49.3° /
35.4° / 58.3°
Physical Dimensions
Front diameter
114 mm / 4.49"
114 mm / 4.49"
114 mm / 4.49"
114 mm / 4.49"
Max. housing diam-
eter
115 mm / 4.53"
115 mm / 4.53"
115 mm / 4.53"
115 mm / 4.53"
Length from flange
178 mm / 7.01”
178 mm / 7.01”
178 mm / 7.01”
178 mm / 7.01”
Weight (lens only)
1.9 kg / 4.2lb
1.8 kg / 4.0lb
1.7 kg / 3.7lb
1.8 kg / 4.0lb
Lens barrel
Magnesium
Magnesium
Magnesium
Magnesium
Interfaces
Lens mount
LPL
LPL
LPL
LPL
Lens data system
LDS-2
LDS-2
LDS-2
LDS-2
Flange focal dis-
tance
44 mm
44 mm
44 mm
44 mm