Sensor Installation
Modline 5
Rev. L6 Feb 2017 27
The second range is for a Sensor with the DWD option. This distance is measured from the tip of the
front mirror hood. Very close lens types that include alpha character C are not useable with the DWD
option.
Some installation, cooling and air purging accessories will limit some of the usable close focus range
accessory.
The Model number and installed lens type is found on the Sensor Model number tag. Range tolerance
of is ±10%.
3.4.3 Table of Model and Lens Type Combinations with Focusing Ranges
The Optical Resolution Factor for each Model and Lens combination is given in the table. Use the
formula: d = D / F to calculate the spot size at any working distance within the specified range. The
smallest spot size can be determined using the closest distance within the range.
Focusing Range in inches “ and millimeters (mm)
13” to infinity (330 mm to infinity)
10.4” to infinity (264 mm to infinity)
13” to infinity (330 mm to infinity)
10.4” to infinity (264 mm to infinity)
13” to infinity (330 mm to infinity)
10.4” to infinity (264 mm to infinity)
6 to 12 “ (152 mm to 305 mm)
3.4 to 9.4” (86 to 239 mm)
6 to 12 “ (152 mm to 305 mm)
3.4 to 9.4” (86 to 239 mm)
6 to 12 (152 mm to 305 mm)
3.4 to 9.4” (86 to 239 mm)
2.25 to 2.75“ (57 to 70 mm)
Not Available with this lens.
2.25 to 2.75“ (57 to 70 mm)
Not Available with this lens.
2.25 to 2.75“ (57 to 70 mm)
Not Available with this lens.
12” to infinity (305 mm to infinity)
9.4” to infinity (239 mm to infinity)
6 to 12 “ (152 mm to 305 mm)
3.4 to 9.4” (86 to 239 mm)
2.25 to 2.75“ (44 to 57 mm)
DWD Not Available with this lens.
13” to infinity (330 mm to infinity)
10.4” to infinity (264 mm to infinity)
13” to infinity (330 mm to infinity)
10.4” to infinity (264 mm to infinity)
7 to 14“ (178 mm to 355 mm)
4.4 to 11.4” (112 to 289 mm)
7 to 14“ (178 mm to 355 mm)
4.4 to 11.4” (112 to 289 mm)
2.25 to 2.75 “ (57 to 70 mm)
Not Available with this lens.
2.25 to 2.75 “ (57 to 70 mm)
Not Available with this lens.
Table 1: Model and Lens Type Combinations with Focusing Ranges
3.4.4 Spot Size and Viewing Distance
Viewing distance and spot size is demonstrated in the Distance and Spot Size illustration. A Sensor with
a Resolution Factor of F = 100 is focused on a 0.5 inch (12.7 mm) rod at three distances. The drawings at
the left for each example illustrate a large circle that represents the total area visible in the Sensor sight.
The smaller circle represents the reticle.
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