The TSOAGM68 provides a wider M68 imaging interface for off-axis guiding, with a 62.5 mm clear opening.
Connections
Telescope attachment is M68 × 1 male with 4 mm thread length; the camera side is M68 × 1 female with 5.5 mm thread depth. The side connection is T2.
Optical length
Effective length is 16.7 mm excluding the male thread. The prism centre lies 11.5 mm from the M68 female reference; the minimum prism-to-side-T2 distance is 27 mm. Include these components in the complete camera-spacing calculation.
Compatibility notes
M68 version has 16.7 mm effective optical length excluding the male thread; not the 16 mm M48 TSOAG16.
Additional specifications
Camera side connection
M68x1 female thread (5.5 mm length)
Free aperture
62.5 mm
Internal surface
with anti-reflective thread
Guiding cam connection
T2 (M42 x 0.75)
Distance from female m68 thread to prism center
11.5 mm
Minimum distance from prism center to t2 thread
27 mm
Length of prism tower
45 mm
56501
Data sheet
Manufacturer listed equipment
Off Axis Guider
Manufacturer part number
TSOAGM68
Model
TS-Optics TSOAGM68 off-axis guider
Optical length
16.7 mm (w/o male thread)
Telescope side connection
M68x1 male thread (4 mm length)
Specific References
MPN
TSOAGM68
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