Unmounted Iris Diaphragms

EKSMA OPTICS offers three types of Unmounted Iris Diaphragms:

  • zero aperture Iris Diaphragms (992 series), 
  • standard Iris Diaphragms with retainer (993 series),
  • standard Iris Diaphragms screwed (994 series).                  

Iris Diaphragm provides a continuously variable field stop for controlling the focal length of an optical system or for adjusting the diameter of a beam. Iris Diaphragms enable smooth operation over the lever travel, from maximum to minimum aperture. Lever actuators of the Iris Diaphragms are either of plastic tab or steel pin. Zero Aperture Iris Diaphragms provide total light extinction.                    

Delivery

Estimated delivery time: from 5 - 6 days

A, Outer Diameter
B, Max. Aperture
C, Min. Aperture
D, Thickness
E, Number of Leaves
Tab/ Pin
L
M
W
AR/N/H

Zero Aperture Iris Diaphragms (992 Series)

AR - Leaves with AR coating, for temperatures up to 180°C; N - Springsteel, black finished, for temperatures up to 250°C; H - Stainless steel, for temperatures up to 400°C; HT - High-temperature alloy for up to 1000°C

Code A, Outer Diameter B, Max. Aperture C, Min. Aperture D, Thickness E, Number of Leaves Tab/ Pin L M W AR/N/H Price Delivery Add to cart
992-2008-H 20 8 - 4 8 Tab 6 2 90 H Request Request To cart
992-2008-N 20 8 - 4 8 Tab 6 2 90 N Request Request To cart
992-2512-H 25 12 - 5 12 Pin 12 2.5 96 H Request Request To cart
992-2512-N 25 12 - 5 12 Pin 12 2.5 96 N Request Request To cart
992-2915-H 29 15 - 5 12 Pin 12 2.5 97 H Request Request To cart
992-2915-N 29 15 - 5 12 Pin 12 2.5 97 N Request Request To cart
992-3922-H 39 22 - 5 14 Pin 11 2.5 99 H Request Request To cart
992-3922-N 39 22 - 5 14 Pin 11 2.5 99 N Request Request To cart
992-4830-H 48 30 - 5 14 Tab 11 2.5 100 H Request Request To cart
992-4830-N 48 30 - 5 14 Tab 11 2.5 100 N Request Request To cart
992-4830-HT 48 30 - 5 14 Tab 11 2.5 100 HT Request Request To cart
992-6940-H 69 40 - 6.5 14 Tab 16 3.3 96 H Request Request To cart
992-6940-N 69 40 - 6.5 14 Tab 16 3.3 96 N Request Request To cart
992-6940-HT 69 40 - 6.5 14 Tab 16 3.3 96 HT Request Request To cart
992-9460-H 94 60 - 9 16 Tab 25 4.5 98 H Request Request To cart
992-9460-N 94 60 - 9 16 Tab 25 4.5 98 N Request Request To cart
992-9460-HT 94 60 - 9 16 Tab 25 4.5 98 HT Request Request To cart
992-1177-H 117 75 - 9.5 18 Tab 53 4.8 97 H Request Request To cart
992-1177-N 117 75 - 9.5 18 Tab 53 4.8 97 N Request Request To cart
992-1177-HT 117 75 - 9.5 18 Tab 53 4.8 97 HT Request Request To cart
992-1258-H 125 85 - 9.5 18 Tab 50 4.8 98 H Request Request To cart
992-1258-N 125 85 - 9.5 18 Tab 50 4.8 98 N Request Request To cart
992-1258-HT 125 85 - 9.5 18 Tab 50 4.8 98 HT Request Request To cart
992-1359-H 135 98 - 8.5 20 Tab 50 4.3 102 H Request Request To cart
992-1359-N 135 98 - 8.5 20 Tab 50 4.3 102 N Request Request To cart
992-1359-HT 135 98 - 8.5 20 Tab 50 4.3 102 HT Request Request To cart
992-1601-H 160 113 - 13 20 Pin 18 6.5 99 H Request Request To cart
992-1601-N 160 113 - 13 20 Pin 18 6.5 99 N Request Request To cart
992-1601-HT 160 113 - 13 20 Pin 18 6.5 99 HT Request Request To cart
992-7950-H 79 50 - 7 18 Tab 20 3.5 100 H Request Request To cart
992-7950-N 79 50 - 7 18 Tab 20 3.5 100 N Request Request To cart
992-7950-HT 79 50 - 7 18 Tab 20 3.5 100 HT Request Request To cart

Iris Diaphragms with retainer (993 Series)

AR - Leaves with AR coating, for temperatures up to 180°C; N - Springsteel, black finished, for temperatures up to 250°C; H - Stainless steel, for temperatures up to 400°C; HT - High-temperature alloy for up to 1000°C

Code A, Outer Diameter B, Max. Aperture C, Min. Aperture D, Thickness E, Number of Leaves Tab/ Pin L M W AR/N/H Price Delivery Add to cart
993-1005-AR 10 5 0.5 4 8 Pin 4 2.4 78 AR Request Request To cart
993-1005-N 10 5 0.5 4 8 Pin 4 2.4 78 N Request Request To cart
993-1207-AR 12 7 0.5 4 8 Pin 6 2.4 88 AR Request Request To cart
993-1207-N 12 7 0.5 4 8 Pin 6 2.4 88 N Request Request To cart
993-1482-N 14 8.2 0.8 4 8 Pin 6 2.4 80 N Request Request To cart
993-1488-N 14.8 8 1 1.5 9 Pin 6 2.5 81 N Request Request To cart
993-1488-AR 14.8 8 0.5 4 8 Pin 6 2.5 80 AR Request Request To cart
993-1912-AR 19.8 12 1 5 11 Pin 10 2.7 89 AR Request Request To cart
993-1912-H 19.8 12 1 5 11 Pin 10 2.7 89 H Request Request To cart
993-1912-N 19.8 12 1 5 11 Pin 10 2.7 89 N Request Request To cart
993-2214-AR 22 14 1 5 10 Pin 10 2.7 94 AR Request Request To cart
993-2214-N 22 14 1 5 10 Pin 10 2.7 94 N Request Request To cart
993-2415-H 24 15 1 5 12 Pin 13 2.7 89 H Request Request To cart
993-2415-N 24 15 1 5 12 Pin 13 2.7 89 N Request Request To cart
993-2818-AR 28 18 1 5 12 Pin 13 2.7 90 AR Request Request To cart
993-2818-H 28 18 1.2 5 12 Pin 13 2.7 90 H Request Request To cart
993-3020-AR 30 20 1.2 5.5 12 Pin 13 2.9 90 AR Request Request To cart
993-3020-H 30 20 1.2 5.5 12 Pin 13 2.9 90 H Request Request To cart
993-3020-N 30 20 1.2 5.5 12 Pin 13 2.9 90 N Request Request To cart
993-1201-AR 19.5 12 1.5 5 11 Pin 3.5 2.5 - AR Request Request To cart
993-3322-N 33 22 1.5 5.5 14 Pin 13 2.9 94 N Request Request To cart
993-3725-AR 37 25 1.5 5.5 13 Pin 12 - - AR Request Request To cart
993-3725-N 37 25 1.5 5.5 15 Pin 13 3 93 N Request Request To cart
993-4027-AR 40 27 1.5 5.5 12 Pin 13 3 90 AR Request Request To cart
993-4027-H 40 27 1.5 5.5 12 Pin 13 3 90 H Request Request To cart
993-4027-N 40 27 1.5 5.5 12 Pin 13 3 90 N Request Request To cart
993-4330-AR 43 30 1.5 5.5 14 Pin 13 3 92 AR Request Request To cart
993-4330-H 43 30 1.5 5.5 14 Pin 13 3 92 H Request Request To cart
993-4330-N 43 30 1.5 5.5 14 Pin 13 3 92 N Request Request To cart
993-4934-AR 49 34 2 6.5 14 Pin 13 3.5 91 AR Request Request To cart
993-4934-H 49 34 2 6.5 14 Pin 13 3.5 91 H Request Request To cart
993-5036-N 50 36 2.5 6 16 Pin 13 3.2 92 N Request Request To cart
993-5337-N 53 37 2.5 6 16 Pin 13 3.2 89 N Request Request To cart
993-5842-H 58 42 2.5 6.5 18 Pin 13 3,3 93 H Request Request To cart
993-5842-N 58 42 2.5 6.5 18 Pin 13 3,3 93 N Request Request To cart
993-6040-H 60 40 2.5 6.5 12 Pin 13 3,3 93 H Request Request To cart
993-6040-N 60 40 2.5 6.5 12 Pin 13 3,3 93 N Request Request To cart
993-6445-N 64 45 2.5 7 14 Pin 13 3.3 88 N Request Request To cart
993-6445-H 64 45 2.5 7 14 Pin 13 3.3 88 H Request Request To cart
993-7050-N 70 50 2.5 7 18 Pin 15 4 93 N Request Request To cart
993-8260-H 82 60 4 8 17 Pin 13 4.4 91 H Request Request To cart
993-8260-N 82 60 4 8 17 Pin 13 4.4 91 N Request Request To cart
993-1075-H 100 75 4 9 20 Pin 15 4.5 95 H Request Request To cart
993-1075-N 100 75 4 9 20 Pin 15 4.5 95 N Request Request To cart
993-1181-AR 110 81 3 10 16 Pin 15 5 94 AR Request Request To cart
993-1290-AR 120 90 3.5 12 20 Pin 15 6.5 97 AR Request Request To cart
993-1398-H 130 98 4 12 20 Pin 20 6.5 97 H Request Request To cart
993-1398-N 130 98 4 12 20 Pin 20 6.5 97 N Request Request To cart
993-1513-N 150 113 6 13 20 Pin 20 7.3 95 N Request Request To cart
993-1513-H 150 113 6 13 20 Pin 20 7.2 95 H Request Request To cart
993-1612-H 165 120 6 15 18 Pin 20 7.9 94 H Request Request To cart
993-1612-N 165 120 6 15 18 Pin 20 7.9 94 N Request Request To cart
993-1610-N 16 10 1 4 10 Pin 6 2.4 83 N Request Request To cart
993-1914-N 195 145 8 16 18 Pin 18 8.9 93 N Request Request To cart

Screwed Iris Diaphragms (994 Series)

AR - Leaves with AR coating, for temperatures up to 180°C; N - Springsteel, black finished, for temperatures up to 250°C; H - Stainless steel, for temperatures up to 400°C; HT - High-temperature alloy for up to 1000°C

Code A, Outer Diameter B, Max. Aperture C, Min. Aperture D, Thickness E, Number of Leaves Tab/ Pin L M W AR/N/H Price Delivery Add to cart
994-1508-N 15 8 1 5,3 9 Tab 5 2.3 81 N Request Request To cart
994-1585-N 15,5 8,5 1 5,3 9 Tab 8 2.6 75 N Request Request To cart
994-2214-AR 22 14 1 6 10 Tab 12 3 90 AR Request Request To cart
994-2214-N 22 14 1 6 10 Tab 12 3 90 N Request Request To cart
994-3118-N 31 18 1.5 6.5 11 Tab 10 3.4 85 N Request Request To cart
994-4027-AR 40 27 1.5 6,2 12 Tab 11 3.5 90 AR Request Request To cart
994-4027-N 40 27 1.5 6.2 12 Tab 11 3.5 90 N Request Request To cart
994-4830-N 48.5 30 1.2 7 10 Tab 10 3.6 86 N Request Request To cart
994-6040-N 60 40 2.5 7.8 12 Tab 13 4.6 88 N Request Request To cart
994-7050-N 70 50 2.5 7 18 Tab 13 4 94 N Request Request To cart
994-8260-N 82 60 4 10 17 Tab 11 5.4 91 N Request Request To cart
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