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Top Sellers

Optolong L-Ultimate dual-3nm filter
Optolong L-Ultimate dual-3nm filter
$519.99
(1)

New Releases

Optolong IR Pass 685nm 2
Optolong IR Pass 685nm 2"
$159.99
Optolong SHO-3nm narrowband filters kit 2
Optolong SHO-3nm narrowband filters kit 2"
$1,669.99
Optolong CLS Clip-On Filter
Optolong CLS Clip-On Filter
$139.99
Optolong SII 6.5nm 1.25
Optolong SII 6.5nm 1.25" filter
$214.99

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Optolong

Featured Products

L-Extreme 2
L-Extreme 2" Dual Band Filter
(2)
$419.99
In Stock
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L-Extreme 1.25
L-Extreme 1.25" Dual Band Filter
$324.99
In Stock
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Optolong SHO-3nm narrowband filters kit 36mm
Optolong SHO-3nm narrowband filters kit 36mm
$1,369.99
In Stock
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Optolong SHO-3nm narrowband filters kit 2
Optolong SHO-3nm narrowband filters kit 2"
$1,669.99
In Stock
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Optolong Planetary Filter Kit - 2
Optolong Planetary Filter Kit - 2"
$509.99
Back Order
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Optolong Planetary Filter Kit - 1.25
Optolong Planetary Filter Kit - 1.25"
$349.99
In Stock
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Products [39]

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1.25
1.25" Moon&Skyglow Filter
$44.99
In Stock
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2
2" Moon&Skyglow Filter
$69.99
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1.25
1.25" UHC Light Pollution Filter
$74.99
In Stock
Add To Cart
2
2" UHC Light Pollution Filter
$119.99
In Stock
Add To Cart
1.25
1.25" CLS-CCD Light Pollution Filter
$129.99
In Stock
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2
2" CLS-CCD Light Pollution Filter
$219.99
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L-eNhance 1.25
L-eNhance 1.25"
$249.99
In Stock
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L-eNhance 2
L-eNhance 2"
(2)
$309.99
In Stock
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L-Pro Filter 1.25
L-Pro Filter 1.25"
$199.99
In Stock
Add To Cart
L-Pro Filter 2
L-Pro Filter 2"
$269.99
In Stock
Add To Cart
L-Pro Filter for Canon APS-C cameras
L-Pro Filter for Canon APS-C cameras
(1)
$334.99
In Stock
Add To Cart
L-Pro Filter for Canon Full Frame cameras
L-Pro Filter for Canon Full Frame cameras
$364.99
In Stock
Add To Cart
L-Pro Filter for Nikon Full Frame cameras
L-Pro Filter for Nikon Full Frame cameras
(2)
$364.99
In Stock
Add To Cart
L-Pro Filter for Sony Full Frame cameras
L-Pro Filter for Sony Full Frame cameras
$354.99
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LRGB Deep Sky Imaging Filter - 1.25
LRGB Deep Sky Imaging Filter - 1.25"
$334.99
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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