Cooke Speed Panchro 40mm T2.3 Compact SII PL V3,Conversion. (Lens supplied scroll 63/11270 below)

Product no.: 63/1127 (Type: Conversion of owner supplied lens)

Parts In Stock
can be shipped within circa 90 days

Price without VAT or delivery
Delivery weight: 2.5 kg

The 3rd Generation Van Diemen 40mm Cooke Speed Panchro SII in PL mount has a complete lens movement which benefits from the Van Diemen patented Wireform™ lens focusing system.

Conversion price includes full service of optical unit prior to conversion

This lens built as new by Van Diemen comes with a full warranty. Incorporated in this lens movement are focus and iris gears to industry standard robust enough to cope with any servo motor. This conversion provides a close focus capability of 12” and benefits from a variable pitch lens movement providing much easier focusing and better focus scales with more markings.

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 40mm
Nominal Focal Length 40mm
T/No. 2.3 (f2.0)
Max Stop 22
Front Diameter 100mm other diams possible
Closest focus 12"   30 centimetres
Weight 0.99kg (2lb 3oz)
Iris Gearing Dual Scaled Ø114mm 32DP 142 Teeth
Focus Gearing Ø114mm 32DP 142 Teeth
Format Coverage Super 35
Min Distance (scaled) 12 inches 

Lens construction


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.

Type Conversion of owner supplied lens

Selection: Cooke Speed Panchro 40mm T2.3 Compact SII PL

Product no. Type Price
63/1127 Conversion of owner supplied lens £2,950.00 *
63/11270 Van Diemen Wireform™ (Lens Supplied) £5,350.00 *
Prices without VAT or delivery
Browse this category: Cooke Compact Lenses