BAADER OFF AXIS GUIDER FOR FLIPMIRROR II ALI the 24mm version has a

the 24mm version has a fixed focal length

magnification 2857 x (theoretical) Light gathering power 26

Full-frame

The measurement will be 3mm or 4mm

M68 x 1 male Connection (camera side) 2" Optical thickness 30 mm Weight 140 g

BAADER OFF AXIS GUIDER FOR FLIPMIRROR II ALI the 24mm version has aThe Baader BFM OAG Off Axis Guider is made for the Baader FlipMirror II (BFM II) Mirror Diagonal. It connects to the bottom port of the BFM II with its 19 mm nosepiece and sends light through a 9. 5mm pickup prism to an autoguider camera, independent of the position of the mirror. For telescopes with long focal lengths, a guiding camera with a large sensor is recommended such as the ASI174MM Mini. To attach the Off Axis Guider instead to a telescope