68/14519 Canon 20mm F2.8 FD. IWF conversion
  • 68/14519 Canon 20mm F2.8 FD. IWF conversion


    Canon 20mm IWF (Inverted Wireform) Conversion provides full frame 24 x 36 coverage and very close focus capability with a last scale marking of 1'4" and a 330° focus rotation.

    The lens has a 114mm front diameter and focus gear rigngs identically located throughout the series  for ease of accessory mounting

    The lens movement is a development of our Wireform patented lens movement providing long term reliability and extended service intervals.

    Lenses are supplied in PL or LPL mount with other options available on request.

    SKU: 68/14519

      LENS Canon 20mm F2.8
      Nominal Focal Length 1114mm
      F/No. F2.8
      Max Stop F22
      Front Diameter 114mm
      Build Style Short Body Macro Unscaled
      Weight 1.8kg (4lbs)
      Iris Gearing Dual Scaled Ø114.5mm 32DP 142 Teeth
      Focus Gearing Ø114.5mm 32DP 142 Teeth
      Angular FOV (Academy) 12.1 x 8.7 (Ø14.9)mm
      Min Distance (scaled) 1' 4"

      Lens construction


      8 elements, 6 groups
      Macro 1:1.2 Last scaled
      Back Focus adjustment In PL Mount Shims
    • TERMS


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


      Various methods of payment are available via the website which are detailed in the website order processing. We do not accept Pay Pal payment for lens conversion work as Pay Pal terms and conditions conflict directly with the necessary conditions we work under for conversion work.


      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.

      Delivery Terms on Established Products

      Van Diemen Films Ltd now offer a 'Call In' service to clients in order to reduce the down time of working lenses. We offer to call in your lenses when your assembly slot comes due, normally within 90 days of order and agreement of terms. Once the lens is received, we aim to deliver within 30 days.