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50/172 guiding telescope with a helical microfooter. It has a 1.25 "output and a T-2 thread.
• guiding telescope approx. 50 mm f = 172 with 1.25 "and T2 output
• frame for adjustment without adjustment
• dovetai type foot
• can be used as a straightforward optical finder (blades with 40 mm - 6 mm / 1.25 "focal length eyepieces, with all of the dozens of tests we have tested, no blades after attaching the 90 ° / 1.25 ") | • Diameter: | 50 mm | | • Focal length: | 172 mm | | • lighted: | f / 3.44 | | • Optical construction: | an achromatic doublet with an air gap, MC | | • Sharpening system: | helical microprocessor with millimeter pitch (change of focus without the rotation of the frame) | | • Tube material: | aluminum | | • Length of the tube: | 205 mm | | • Tube weight: | 590 g (set) |
2 years
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