Baader Eyepiece Projection adapter OPFA-1 / for 1 ¼" eyepiece clamps
 
OPFA I – lens sided connection: to put into 1¼" nosepiece, with safety nut in the 1¼" barrel and Filterthread for 1¼" filters
Delivery without projection eyepiece
For imaging with digital and/or analog (D)SLR cameras with removable lens
Consist of base version OPFA (single parts see OPFA IV) and additionally lens sided with 1¼" barrel (#2458155)