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Takahashi Sky90II
Takahashi Sky90II in as new condition. Comes with CAA, tube holder and original box. $2100. Please PM for more photos.
OPTICAL
Optical design Fluorite Doublet
Optical mounting Air spaced (Fluorite in front)
Optical coatings Fully Multi-Coated
Aperture 90 mm
STANDARD
Focal length 500 mm
Focal ratio F/D 5.56
Resolution 1.29"
Limiting magnitude 11.5
Light grasp 165x
WITH REDUCER
Focal length 407 mm
Focal ratio F/D 4.5
Image circle 45 mm
MECHANICAL
Tube length 480mm - 560mm (80mm retractable dew shield)
Tube diameter 95 mm
Tube weight 3.2 kg
Last edited by godina06; 28-04-2025 at 10:04 AM.
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