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01622 859444
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Iris Diaphragms

These diaphragms have blackened brass bodies and blackened steel leaves.

The range includes fully-closing iris diaphragms with two sets of leaves, which allow light to be completely cut off.


Only UK and EU customers are charged VAT at 17.5%, customers outside the EU and EU customers based outside the UK who have a valid EU VAT number will not be charged VAT

Bulk Discounts!
Where (B) appears next to a price below, bulk prices are available, click the (B) button to view!


PDFPart No.Diameter (mm)Thickness (mm)Maximum Aperture (mm)Minimum Aperture (mm)Pin length (mm)Number of leavesPriceQtyBuy
GIQ0510
10
4.5
5
0.7
10
6
£53.58

GIQ0815
14.8
4.5
8
0.7
10
8
£24.00

GIQ1220
19.8
5
12
0.8
10
10
£23.50

GIQ2524
24
5
15
0.8
10
12
£24.80

GIQ1828
28
5
18
0.8
12
12
£27.30

GIQ2030
30
5.5
20
0.8
12
12
£27.30

GIQ2233
33
5.5
22
0.8
12
14
£27.30

GIQ2537
37
5.5
25
0.8
12
14
£27.30

GIQ2840
40
5.5
28
1.2
12
16
£31.10

GIQ3449
49
6.5
34
1
12
14
£29.52

GIQ3753
53
6
37
1.2
12
16
£36.90

GIQ4258
58
6.5
42
1.2
12
18
£36.90

GIQ5070
70
7.5
50
2
12
16
£77.77

GIQ5880
80
8
58
3
12
18
£79.42

GIQ75100
100
9
75
4
15
20
£121.43

GIQ120165
165
15
120
6
30
18
£196.6

GIQ225300
300
18
225
12
30
18
£336.56


   
 
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      Knight Optical (UK) Ltd
      Templetree House, Sandway Road, Harrietsham, Kent ME17 1HT. United Kingdom.
      Phone: +44 (0)1622 859444   Fax: +44 (0)1622 859555
      e-mail: info@knightoptical.co.uk   Web design by Smart ePos