Ontario Telescope and Accessories
Ontario Telescope and Accessories is the leading provider of telescopes, astrophotography equipment, cameras, binoculars and eyepieces. Brands include ZWO, Celestron, ASKAR, Skywatcher more.
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Featured products
Popular right now
Celestron SCT 8 f/10 standard
CAD 33.92
Celestron SCT 8 f/10 metric
CAD 33.92
Celestron SCT 8 EdgeHD Collimation knobs
CAD 33.92
Celestron SCT 9.25 f/10 standard
CAD 33.92
Celestron SCT 9.25 Fastar knobs
CAD 33.92
Celestron SCT 11 f/10 standard
CAD 33.92
Celestron SCT 11 f/10 metric
CAD 33.92
Celestron SCT 11 f/10 standard Fastar
CAD 33.92
Celestron SCT 11 f/10 metric Fastar
CAD 39.99
Collimation knob for secondary mirror
CAD 33.92
Celestron PowerSeeker 127 primary mirror collimation knobs
CAD 37.10
Meade / Celestron / Orion
CAD 33.00
Meade SCT 8 f/10 3-screw
CAD 33.92
Meade SCT 8 f/10 6-screw
CAD 33.92
Meade SCT 10 f/10 3-screw
CAD 33.92
Meade SCT 10 f/10 6-screw
CAD 33.92
Meade SCT 12 3- and 4-screw f/10
CAD 38.00
Skywatcher / Celestron Collimation knob
CAD 40.00
1.25 Diagonal
CAD 41.58
T-Ring - Canon EOS
CAD 23.76
T-Ring - Nikon
CAD 23.76
T-Ring - Pentax K
CAD 29.99
1.25" Adapter to T-Ring
CAD 15.45
2" adapter to T-Ring
CAD 35.64