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Planewave CDK20 F/7.77 Lens Group (Converts CDK20 F/6.8 model to F/7.77 and vice versa))

Planewave CDK20 F/7.77 Lens Group (Converts CDK20 F/6.8 model to F/7.77 and vice versa))

by Planewave Instruments
SKU 200204
$1,400.00 - $1,400.00
$1,400.00
$1,400.00 - $1,400.00
$1,400.00
Corrector: CDK20 F/6.8 CORRECTOR LENS ASSEMBLY FOR CHANGING F/7.77 CDK20 TO WIDER-FIELD F/6.8 SYSTEM

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Description

This is lens group is designed to convert a CDK20 f/6.8 to f/7.77. The original lens group is unscrewed from the backplate of the optical tube and replaced with the new lens group.

  • Adds 1.9″ of backfocus to the optical tube for those requiring additional imaging train components.
  • Increases focal length to 3951mm, which is an additional 497 mm of focal length compared to the standard CDK20 f/6.8.