APM Super Zoom eyepiece with APM comacorrecting barlow.
Features:
Wide focal length range between 7.7 and 15.4mm (with APM Barlow 4mm to 8.1mm)
Wide angle field of view
High quality, multicoated optics
Sophisticated optical-mechanical design
Modern MC multicoating
Optimized, comfortable viewing behavior
Blackened lens edges
Click stop 8 clicks : 7.7-8-9-10-11-12-13-14-15.4
Click stop 8 clicks with APM Barlow : 4-4,2-4,8-5,3-5,8-6,3-6,9-7,4-7,9-8,1
2 upper external threads for connection of Tele Vue Dioptrix or adapter M43 x 0.75 and M37 x 0.75 plug diameter 1.25" with filter thread, as well as 2" plug
apparent field at 7.7 ( 5.0 mm ) mm 67° and at 15.4 ( 10.0 mm ) mm 66°.
The 1.25 "UltraFlat Field Eyepiece features a high quality standard and a very compact design, which is designed to remove the field curvature at the edge, resulting in a flat, distortion-free image up to the edge of the visible field of view