Ontario Telescope and Accessories

Ontario Telescope and Accessories Ontario Telescope and Accessories, where OTA means more. Offering shipping across Canada, and personal service to ensure customer satisfaction.

Ontario Telescope and Accessories is an online destination for hobbyists and astronomers that are looking for new equipment. Authorised dealers for iOptron, Lumicon, Explore Scientific, Antares, and other high quality manufactures. Don’t be surprised if you receive an email response from us in the middle of the night, or on a weekend. Shop for your equipment 24 hours a day from the comfort of your home.

We are setup outside next to the offices of the The Royal Astronomical Society of Canada in Toronto. Showing the sun wi...
07/29/2026

We are setup outside next to the offices of the The Royal Astronomical Society of Canada in Toronto. Showing the sun with the Sky-Watcher USA Heliostar 76.
Lots of activity on the sun today!

We have the honour of being invited to participate at the The Royal Astronomical Society of Canada open house tonight. ...
07/29/2026

We have the honour of being invited to participate at the The Royal Astronomical Society of Canada open house tonight. We will have a Sky-Watcher USA Heliostar solar telescope setup outside

07/25/2026

Are you going to NYAAStarfest this year? Do you have an Imaging plan? Are you visually Observing only?

Tell us your list of targets to capture or view!

I’ll go first

07/25/2026

Ontariotelescope.TV - Starfest is coming up soon….very soon. Who’s going?

Used equipment can satisfy a budget requirement, or can be the piece of gear you have been looking for. We are picky wi...
07/24/2026

Used equipment can satisfy a budget requirement, or can be the piece of gear you have been looking for. We are picky with what we accept on Consignment. Here are a couple of great example is available in the shop. See the entire selection in the first comments link

Looking for a big scope and a sweet price. its not a 10/10 scope, but at $600 how can anyone complain?
07/22/2026

Looking for a big scope and a sweet price. its not a 10/10 scope, but at $600 how can anyone complain?

Pre-owned Meade LX200 10" Schmidt-Cassegrain OTA, good condition (6.5/10). Moonlight focuser works with a noticeable bump. Tube only. Final sale — $600 CAD.

07/20/2026

Free Calculators to make your astronomy experience better. Link in the comments

07/19/2026

Two amazing piece of equipment just came into the shop! A Takahashi FSQ106 EDX4 and a Losmandy G11 with Gemini II and high torque EA motor upgrade.

Picture posted tomorrow.

Who’s interested??

07/18/2026

Want to really setup your electronic focuser correctly? We have a tool for you!! Watch our Facebook live at 10am

Address

670 Hardwick Road Unit 5
Caledon, ON
L7E5R5

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