Cooke 18mm SIII Speed Panchro PL Mount

Product no.: 63/Cooke 18mm SIII

Currently unavailable, please contact us for more information


Wireform™ lens movements wear free and silent.

Uniform front lens diameters at 100mm for accessory mounting.

Industry standard gears for focus and iris.

All Van Diemen Wireform™ conversions are now supplied with dual iris scales as a standard feature and uniform 100mm front diameter, however, can also supply other larger diameters on request.

Additional product information

LENS 18mm Wide Angle
Nominal Focal Length 18mm
T/No. T2.2 F2.0
Max Stop 22
Front Diameter 100mm (option available 80mm, 104mm and 110mm)
Weight 0.46kg (1lb)
Iris Gearing Dual Scaled Ø89mm 32DP 110 Teeth
Focus Gearing Ø89mm 32DP 110 Teeth
Angular FOV (Academy **) 18.5 degrees
Min Distance (scaled) 7"

Lens construction



Wireform™ Patented lens drive technology

Back Focus adjustment Shims



Van Diemen aim to deliver within 90 days of receipt of order and 50% deposit. We are unable to guarantee delivery times as they vary according to factory loading and availability of parts at the time of order.


We offer a full 2 year warranty with every Van Diemen Wireform™ product. This however does not extend to optical units on conversion products as they are supplied direct by the client.


Warranty is applicable ex works Camberley, UK. It is the responsibility of the client to cover shipping and insurance to and from Van Diemen for all product sales and warranty work.


Selection: Cooke 18mm SIII Speed Panchro PL Mount

Product no. Type Price
63/1111 Conversion of owner supplied lens £2,950.00 *
63/11110 Van Diemen Wireform™ (Lens Supplied) £5,250.00 *
Prices without VAT or delivery
Browse this category: Cooke Close Focus Lenses