Dedolight 70-120mm f/3.5 Zoom Projection Lens Matthews 426017 an alternative is measuring the

an alternative is measuring the circumference of the circle and then converting that measurement to the diameter equivalence

5mm sync socket

Will fit lens hoods with a diameter of 2

Construction ABS Cycoloy

Precision Focusing for Astrophotography

Dedolight 70-120mm f/3.5 Zoom Projection Lens Matthews 426017 an alternative is measuring theMetal barrel, F 3. 5, 70 120 mm zoom lens allowing precision adjustment of image size when mounted in front of a Dedolight fixture. Weight 1. 1lbs (516g) All product and company names are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.