ASTROSIB
TELESCOPE ACCESSORIES PAGE

Professional components and adapters for the telescope

*Available for order only in combination with ASTROSIB telescopes
AFW-2X4-6
ASTROSIB «AFW-2X4-6»
Pre-focal electromechanical device for inserting, removing, and switching optical filters in the beam path

Automates the filter change process during astrophotography.

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ET-4R
ET-4R
ET-4R — M126 × 1.25 Extension Ring Set

A set of M126 × 1.25 extension rings with a rotating clamp ring. A specific combination of rings allows the camera sensor (or other equipment) to be aligned with the calculated focal plane position within 10 mm. The clamp ring allows the equipment to be oriented at any angular position relative to the optical axis.

FFC
FFC-14, 16, 20
Field Curvature and Astigmatism Corrector
  • 1. Optimized specifically for ASTROSIB telescopes.
  • 2. Lens diameter — 100 mm.
  • 3. Multi-layer anti-reflection coating for the 400–900 nm spectral range.
  • 4. Back focal distance — 205 mm (from the last lens surface to the focal plane).
  • 5. Installs in the rear telescope flange independently of extension rings and does not shift the focal plane position.
OAG
OAG-1
1.25" Off-Axis Guider

1.25" off-axis guider with adjustable deflecting mirror distance from the optical axis and a rigid focuser. The guide camera is focused once — after installation and focusing of the main camera. Refocusing is only required when replacing or reinstalling the main imaging equipment.

OAG-2
OAG-2
1.25" Dual Off-Axis Guider

Two guiders, each identical to the OAG-1, making guide star selection significantly easier.

OAGRA-2
OAGRA-2
1.25" Dual Off-Axis Guider with Switchable 2" Diagonal

One hand motion switches the telescope from photographic to visual mode and back — no unscrewing, no lost settings. Combining three functions in one unit saves working distance to the focal plane.

M68
M68 x 1
Female thread, 9 mm thick
M72
M72 x 1
Female thread, 9 mm thick
М42
М42 x 0.75
Male thread, 9 mm thick
2.156
2.156 - 24 UN
Male thread, 9 mm thick
3.005
3.005 - 24 UNS
Male thread, 9 mm thick
ALDC
ALDC
Aluminum blank cap, 7 mm thick