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.
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 this new lens group.
Additional benefits of this lens group include:
- Adds 1.9″ of backfocus to the optical tube for those requiring additional imaging train components.
- Increases focal length by 497 mm focal length compared to the standard CDK20 f/6.8.
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
