Maintain Eye Relief and Increase Power with the Panoptic Barlow Interface
To increase power while retaining the eye-relief add the 2x big barlow and matching interface lens.
The carefully designed Panoptic-Barlow interface pulls the pupil back to the the ideal eyepoint,
preventing vignetting and further optimising edge correction.
When using the 2x big barlow, Tele Vue consider the interface essential with the 35mm and 27mm Panoptics,