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E15
LENSES
6 PRODUCT SPECIFICATIONS
6 PRODUCT SPECIFICATIONS
Model name
CJ12ex4.3B CJ20ex7.8B
Focal Length
1.0x 4.3-52mm 7.8-156mm
2.0x 8.6-104mm 15.6-312mm
Zoom Ratio
12 × 20 ×
Maximum
Relative
Aperture
1.0x
1:1.8 (at 4.3-40.0mm)
1:2.4 (at 52mm)
1:1.8 (at 7.8-108mm)
1:2.6 (at 156mm)
2.0x
1:3.6 (at 8.6-80.0mm)
1:4.8 (at 104mm)
1:3.6 (at 15.6-216mm)
1:5.2 (at 312mm)
Image Format Dia. 11mm (9.6 x 5.4 mm) Dia. 11mm (9.6 x 5.4 mm)
Angular Field of
View
Wide
1.0x 96.3º×64.2º 63.2º×38.2º
2.0x 58.3º×34.9º 34.2º×19.6º
Tele
1.0x 10.5º×5.9º 3.5º×2.0º
2.0x 5.3º ×3.0º 1.8º ×1.0º
Minimum Object
distance (M.O.D)
(Macro: 10mm from the lens vertex)
0.3m 0.8m
Object Dimensions
at M.O.D
Wide
1.0x 76.4 × 43.0cm 91.7 × 51.6cm
2.0x 38.2 × 21.5cm 45.9 × 25.8cm
Tele
1.0x 6.0 × 3.4cm 4.8 × 2.7cm
2.0x 3.0 × 1.7cm 2.4 × 1.4cm
Flange back
48mm
（in air）
Thread for lters
127mm P0.75
(Hood Unit Thread Size)
94mm P1.0
(Lens Barrel Thread Size)or
105mm P1.0
(Hood Unit Thread Si
ze)
Zoom speed for full range
Max. 0.5s ± 0.2s
Focus speed for full range
1.3s ± 0.3s 1.5s ± 0.3s
Iris Control from camera
Mount
B4
Power source DC12V（DC10 ～ 17V）
Current consumption
R type Max 300mA -
A type Max 500mA
Operating temperature
Temperature：－ 20℃ ～ ＋ 45℃
Humidity： 5% to 95%RH (no condensation)
Mass without hood
IRSE S Approx. 2.10kg -
IASE S Approx. 2.18kg Approx. 2.18kg
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