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Specifications
Check the specifications of each projection lens, and use the appropriate lens for your
intended use.
Model No.
Lens Type
F value
Focal Length (f)
Width
Dimensions
Height 108 mm (4-1/4")
*1
Depth 166 mm (6-17/32") 196 mm (7-23/32") 197 mm (7-3/4") 196 mm (7-23/32")
Net Weight
*1: Excluding protrusions.
Dimensions
Model number
ET-ELW21
10-ENGLISH
ET-ELW21
Short fixed lens
Short zoom lens
2.0
13.05 mm
20.4 to 27.6 mm
108 mm (4-1/4")
116 mm (4-9/16")
116 mm (4-9/16")
1.08 k ] (2.38 lbs) 1.20 k ] (2.65 lbs) 1.18 k ] (2.60 lbs) 1.20 k ] (2.65 lbs)
ET-ELW20
ET-ELT22
Long zoom lens
1.8 to 2.3
1.8 to 2.3
45.6 to 73.8 mm 73.9 to 117.1 mm
108 mm (4-1/4")
108 mm (4-1/4")
Dimensions
166 (6-17/32")
ET-ELT23
Ultra long
zoom lens
1.8 to 2.3
108 mm (4-1/4")
108 mm (4-1/4")
(Unit: mm)
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