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Top Sellers

Adapter for T/T2/M42 Male to C/CS Male
Adapter for T/T2/M42 Male to C/CS Male
$19.99

New Releases

T2 Variable Locking Extension Ring
T2 Variable Locking Extension Ring
$44.99
(1)
M48 Variable Locking Extension Ring
M48 Variable Locking Extension Ring
$44.99
Low Profile T-Ring - Canon
Low Profile T-Ring - Canon
$39.99
Male T-2 Dustcap, outer thread M42x0.75
Male T-2 Dustcap, outer thread M42x0.75
$12.99

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Adapters

  • Baader UFC Adapters

Featured Products

1.25
1.25" Adapter to T-Ring
$24.99
In Stock
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Products [25]

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T-Ring - Pentax K
T-Ring - Pentax K
$29.99
In Stock
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2
2" adapter to T-Ring
$39.99
In Stock
Add To Cart
Antares SCT-T-ring 55mm
Antares SCT-T-ring 55mm
$32.00
In Stock
Add To Cart
Antares SCT-T-ring 30mm
Antares SCT-T-ring 30mm
(1)
$28.55
In Stock
Add To Cart
Variable Eyepiece projection adapter
Variable Eyepiece projection adapter
(1)
$39.99
In Stock
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Explore Scientific Smart Phone holder
Explore Scientific Smart Phone holder
$21.04
Back Order
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ZWO ADC
ZWO ADC
$169.99
In Stock
Add To Cart
Piggyback mount - Nexstar 5, 6, 8
Piggyback mount - Nexstar 5, 6, 8
$49.99
In Stock
Add To Cart
T-Adapter for EdgeHD 8
T-Adapter for EdgeHD 8"
$54.99
In Stock
Add To Cart
T-Adapter EdgeHD 9
T-Adapter EdgeHD 9"/11"/14"
$94.99
In Stock
Add To Cart
T-Ring - Nikon
T-Ring - Nikon
$23.99
In Stock
Add To Cart
T Adapter for Nexstar 4SE
T Adapter for Nexstar 4SE
$39.99
In Stock
Add To Cart
Adapter for T/T2/M42 Male to C/CS Male
Adapter for T/T2/M42 Male to C/CS Male
$19.99
Back Order
Add To Cart
Large Adapter for Off-Axis Guider
Large Adapter for Off-Axis Guider
$44.99
7 - 10 day delivery
Add To Cart
Canon EOS T-Ring adapter
Canon EOS T-Ring adapter
$23.99
In Stock
Add To Cart
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All prices listed are in Canadian dollars. We make every effort to ensure our prices are accurate. We do, however, reserve the right to advise you of any errors prior to processing your invoice. If you are not willing to accept changes on these errors we will cancel your order. Ontario Telescope and Accessories reserves the right to limit quantities. We apologize for any inconvenience this may cause.

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