– OPFA VII – Connection on the telescope side: adapter thread M36.4mm (T-2
Component #3), e.g. for Lichtenknecker, Vixen, TAK
– Delivery WITHOUT projection eyepiece!
– For photography with digital and/or analogue SLR cameras
with detachable lens
– Consisting of basic version OPFA (individual parts see OPFA IV) as well as
Telescope side with Vixen/TAK/Lichtenknecker adapter M36.4
(#1508039)
Eyepiece projection adapter with M36.4 thread, variable – enables a
Extension of the effective focal length of the telescope. This one has the Vixen
M36.4 thread and can be changed in length. Around lunar craters and
The focal length is usually sufficient to image planets with high resolution
of the telescope is not sufficient, it must be extended. The OPFA brings
the eyepiece into the beam path and also provides the connection
to the telescope and the T2 ring of the camera.
The OPFA accepts eyepieces with a maximum housing diameter of
38mm on. Plössl eyepieces and orthoscopic eyepieces are particularly good
(according to Abbe) suitable. The usual focal length range is between
6mm and 15mm.
The OPFA system can be completely unscrewed. Push
simply place the eyepiece in the sliding focuser and fix it with it
the knurled screw. Then screw the two T2 sleeves back in
up and the OPFA is ready for use. On the
You can even fine-tune the shifting mechanism
achieve magnification. The further away the camera is from the eyepiece,
the greater the post-magnification.