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Cortex Security Solutions

OUR FOCUS IS YOUR PROFIT | Cortex Security Solutions

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COR-358MIVB

3.5-8mm Varifocal Board Camera CCTV Lens with Manual Iris

This 3.5-8mm varifocal CS-mount lens for CCTV cameras makes a great replacement or upgrade for a damaged, vandalized or broken varifocal CS-mount lens. Is has a manual iris.

Designed for Board Cameras

This lens is designed for board cameras (it is not a C- or CS-mount style lens). 

Please contact a Sales Representative for Specification concerning this lense product as well as prices and availability.

  • 3.5-8mm varifocal lens
  • Manual iris
  • Designed for board cameras
Lens Focal Length
Distance between camera and monitored zone
5-feet
10-feet

Millimeters

  •   2.45
  •   2.80
  •   2.97
  •   3.60
  •   3.70
  •   4.0
  •   4.30
  •   5.0
  •   6.0
  •   8.0
  • 12.0
  • 16.0
  • 25.0
  • 50.0

Horz area

  • 17.3'
  • 14'
  • 12.3'
  •  7.5'
  •  7.3'
  •  6.6'
  •  6.1'
  •  4.7'
  •  3.8'
  •  2.9'
  •  1.9'
  •  1.4'
  •  1'
  •  0.4'

Vert area

  • 13'
  • 10.5'
  •  9.6'
  •  5.7'
  •  5.5'
  •  5'
  •  4.6'
  •  3.5'
  •  2.9'
  •  2.2'
  •  1.5'
  •  1.1'
  •  0.7'
  •  0.3'

Horz area

  • 34.6'
  • 28'
  • 24.6'
  • 15'
  • 14.6'
  • 13.2'
  • 12.2'
  •  9.4'
  •  7.6'
  •  5.8'
  •  3.8'
  •  2.8'
  •  2'
  •  0.8'

Vert area

  • 26'
  • 21'
  • 19.2'
  • 11.4'
  • 11'
  • 10
  • 9.2'
  • 7'
  • 5.8'
  • 4.4'
  • 2.8'
  • 2.2'
  • 1.4'
  • 0.6'
15-feet
25-feet

Millimeters

  •   2.45
  •   2.80
  •   2.97
  •   3.60
  •   3.70
  •   4.0
  •   4.30
  •   5.0
  •   6.0
  •   8.0
  • 12.0
  • 16.0
  • 25.0
  • 50.0

Horz area

  • 51'
  • 42'
  • 36.9'
  • 22.5'
  • 21.9'
  • 19.8'
  • 18.3'
  • 14.1'
  • 11.4'
  •  8.7'
  •  5.7'
  •  4.2'
  •  3'
  •  1.2'

Vert area

  • 39'
  • 31.5'
  • 28.8'
  • 17.1'
  • 16.5'
  • 15'
  • 13.8'
  • 10.5'
  •  8.7'
  •  6.6'
  •  4.5'
  •  3.3'
  •  2.1'
  •  0.9'

Horz area

  • 86.5'
  • 70'
  • 61.5'
  • 37.5'
  • 36.5'
  • 33'
  • 30.5'
  • 23.5'
  • 19'
  • 14.5'
  •  9.5'
  •  7'
  •  5'
  •  2'

Vert area

  • 65'
  • 52.5'
  • 48'
  • 28.5'
  • 27.5'
  • 25
  • 23'
  • 17.5'
  • 14.5'
  • 11'
  •  7.5'
  •  5.5'
  •  3.5'
  •  1.5'
50-feet
100-feet

Millimeters

  •   2.45
  •   2.80
  •   2.97
  •   3.60
  •   3.70
  •   4.0
  •   4.30
  •   5.0
  •   6.0
  •   8.0
  • 12.0
  • 16.0
  • 25.0
  • 50.0

Horz area

  •   173'
  •   140'
  •   123'
  •  75'
  •  73'
  •  66'
  •  61'
  •  47'
  •  38'
  •  29'
  •  19'
  •  14'
  •  10'
  •   4'

Vert area

  • 130'
  • 105'
  •  96'
  •  57'
  •  55'
  •  50'
  •  46'
  •  35'
  •  29'
  •  22'
  •  15'
  •  11'
  •   7'
  •   3'

Horz area

  • 346'
  • 280'
  • 246'
  • 150'
  • 146'
  • 132'
  • 122'
  •  94'
  •  76'
  •  58'
  •  38'
  •  28'
  •  20'
  •   8'

Vert area

  • 260'
  • 210'
  • 192'
  • 114'
  • 110'
  • 100
  •  92'
  •  70'
  •  58'
  •  44'
  •  28'
  •  22'
  •  14'
  •   6'
Lens Focal Length
Distance between camera and monitored zone
5-feet
10-feet
15-feet
25-feet
50-feet
100-feet
Millimeters
Horz area
Vert area
Horz area
Vert area
Horz area
Vert area
Horz area
Vert area
Horz area
Vert area
Horz area
Vert area
  2.45
 17.3'
 13'
 34.6'
 26'
 51.9'
 39'
 86.5'
 65'
173'
130'
346'
260'
  2.80
 14'
 10.5'
 28'
 21'
 42'
 31.5'
 70'
 52.5'
140'
105'
280'
210'
  2.97
 12.3'
  9.6'
 24.6'
 19.2'
 36.9'
 28.8'
 61.5'
 48'
123'
 96'
246'
192'
  3.60
  7.5'
  5.7'
 15'
 11.4'
 22.5'
 17.1'
 37.5'
 28.5'
 75'
 57'
150'
114'
  3.70
  7.3'
  5.5'
 14.6'
 11'
 21.9'
 16.5'
 36.5'
 27.5'
 73'
 55'
146'
110'
  4.0
  6.6'
  5'
 13.2'
 10'
 19.8'
 15'
 33'
 25'
 66'
 50'
132'
100'
  4.30
  6.1'
  4.6'
 12.2'
 9.2'
 18.3'
 13.8'
 30.5'
 23'
 61'
 46'
122'
 92'
  5.0
  4.7'
  3.5'
  9.4'
  7'
 14.1'
 10.5'
 23.5'
 17.5'
 47'
 35'
 94'
 70'
  6.0
  3.8'
  2.9'
  7.6'
  5.8'
 11.4'
  8.7'
 19'
 14.5'
 38'
 29'
 76'
 58'
  8.0
  2.9'
  2.2'
  5.8'
  4.4'
  8.7'
  6.6'
 14.5'
 11'
 29'
 22'
 58'
 44'
 12.0
  1.9'
  1.5'
  3.8'
  2.8'
  5.7'
  4.5'
  9.5'
  7.5'
 19'
 15'
 38'
 28'
 16.0
  1.4'
  1.1'
  2.8'
  2.2'
  4.2'
  3.3'
  7'
  5.5'
 14'
 11'
 28'
 22'
 25.0
  1'
  0.7'
  2'
  1.4'
  3'
  2.1'
  5'
  3.5'
 10'
  7'
 20'
 14'
 50.0
  0.4'
  0.3'
  0.8'
  0.6'
  1.2'
  0.9'
  2'
  1.5'
  4'
  3'
  8'
  6'