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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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Optical Accessories

Original price $279.00 - Original price $279.00
Original price
$279.00
$279.00 - $279.00
Current price $279.00

Baader Star Diagonal Prism w/ Zeiss Spec Prism & BBHS Coating - T-2

BAA-2456095
1 in stock

T-2/90 ° diagonal prism (BaK4 glass) with 35mm free aperture terminal objective side: 2 "or 1¼" Connection eyepiece: 1¼ " Prism made in accordance...

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Original price $279.00 - Original price $279.00
Original price
$279.00
$279.00 - $279.00
Current price $279.00
Original price $56.00 - Original price $56.00
Original price
$56.00
$56.00 - $56.00
Current price $56.00

Baader T-2 Locking Ring w/ Lever for MaxBright II

BAA-2458271

T-2 (M42x0.75) Locking ring with lever for direct attachment of the MaxBright® II onto all Baader T-2 star diagonals, prisms or mirrors (e.g. to d...

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Original price $56.00 - Original price $56.00
Original price
$56.00
$56.00 - $56.00
Current price $56.00
Original price $469.00 - Original price $469.00
Original price
$469.00
$469.00 - $469.00
Current price $469.00

Baader Telecentric System TZ-2 - 2x

BAA-2459255

Telecentric with 2" outer diameter and T-2 threads on both sides Aplanatic, with 2x focal length extension to achieve a parallel f/30 beam in conj...

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Original price $469.00 - Original price $469.00
Original price
$469.00
$469.00 - $469.00
Current price $469.00
Original price $652.00 - Original price $652.00
Original price
$652.00
$652.00 - $652.00
Current price $652.00

Baader Telecentric System TZ-3 - 3x Research Grade

BAA-2459257

Baader Telecentric Systems for focal length extension for supplying a parallel optical beam and for providing sufficient backfocus, in conjunction ...

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Original price $652.00 - Original price $652.00
Original price
$652.00
$652.00 - $652.00
Current price $652.00
Original price $469.00 - Original price $469.00
Original price
$469.00
$469.00 - $469.00
Current price $469.00

Baader Telecentric System TZ-4 - 4x

BAA-2459256

Telecentric with 2" outer diameter and T-2 threads on both sides Aplanatic, with 4x focal length extension to achieve a parallel f/30 beam in conj...

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Original price $469.00 - Original price $469.00
Original price
$469.00
$469.00 - $469.00
Current price $469.00
Original price $332.00 - Original price $434.00
Original price
$332.00 - $434.00
$332.00 - $434.00
Current price $332.00

Baader U-Venus Filter - 350nm

Options available

Baader U-Filter (Venus and UV) 350nm. Transmission peak approx. 80% at 350nm, bandwidth 60nm (320-380nm), completely blocking the entire spectral ...

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Original price $332.00 - Original price $434.00
Original price
$332.00 - $434.00
$332.00 - $434.00
Current price $332.00
Original price $119.00 - Original price $320.00
Original price
$119.00 - $320.00
$119.00 - $320.00
Current price $119.00

Baader UHC-S/L-Booster Filter - CMOS-Optimized

Options available
4 variants in stock

The Baader Planetarium UHC-S Nebula filter excels at delivering a high-contrast and natural view of emission nebula - without excessive dimming and...

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Original price $119.00 - Original price $320.00
Original price
$119.00 - $320.00
$119.00 - $320.00
Current price $119.00
Original price $87.00 - Original price $143.00
Original price
$87.00 - $143.00
$87.00 - $143.00
Current price $87.00

Baader UV/IR-CUT / L-Filter CMOS Optimized

Options available
2 variants in stock

Baader Planetarium produces the world's finest UV/IR cut filter. it use has become the defacto standard for imagers around the world. This filter...

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Original price $87.00 - Original price $143.00
Original price
$87.00 - $143.00
$87.00 - $143.00
Current price $87.00
Original price $109.00 - Original price $189.00
Original price
$109.00 - $189.00
$109.00 - $189.00
Current price $109.00

Baader Visual OIII Nebula Filter

Options available

Delivers the absolute highest contrast views of many diffuse and planetary nebula. For many objects, the Baader O-III reveals a level of intricate ...

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Original price $109.00 - Original price $189.00
Original price
$109.00 - $189.00
$109.00 - $189.00
Current price $109.00
Original price $239.95 - Original price $239.95
Original price
$239.95
$239.95 - $239.95
Current price $239.95

Celestron 1.25" Eyepiece and Filter Kit

CEL-94303

5 Plossl Eyepieces (6mm, 8mm, 13mm, 17mm, 32mm) 2X Barlow Lens Doubles Magnification 7 Planetary and Moon Filters 52° Apparent Field of View Fully...

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Original price $239.95 - Original price $239.95
Original price
$239.95
$239.95 - $239.95
Current price $239.95
Original price $419.95 - Original price $419.95
Original price
$419.95
$419.95 - $419.95
Current price $419.95

Celestron 2" Eyepiece and Filter Kit

CEL-94305

Three 2" E-Lux Eyepieces (40mm, 32mm, 26mm) 56° Apparent Field of View (50° for 40mm) 2X Barlow Lens Doubles Magnification of any 2" Eyepiece Five...

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Original price $419.95 - Original price $419.95
Original price
$419.95
$419.95 - $419.95
Current price $419.95
Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00

Celestron 45-Degree Erect Image Diagonal

CEL-94112-A

Corrects image orientation for terrestrial viewing Produces right-side-up and left-to-right correct images Comfortable 45-degree viewing ang...

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Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00
Original price $107.95 - Original price $107.95
Original price
$107.95
$107.95 - $107.95
Current price $107.95

Celestron 8-24mm Zoom Eyepiece - 1.25"

CEL-93230
1 in stock

Focal Length Range: 8mm to 24mm Apparent Field of View: 40° to 60° Barrel Size: 1.25" (32mm) 6-Element, Fully Multi-Coated Optics Weight: 7.94 oz ...

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Original price $107.95 - Original price $107.95
Original price
$107.95
$107.95 - $107.95
Current price $107.95
Original price $89.95 - Original price $89.95
Original price
$89.95
$89.95 - $89.95
Current price $89.95

Celestron AstroMaster Accessory Kit

CEL-94307

Includes 2 eyepieces: 15mm Kellner & 6mm Plössl 2X Barlow lens doubles the magnification of any 1.25" eyepiece 3 filters included: #80A Blue, ...

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Original price $89.95 - Original price $89.95
Original price
$89.95
$89.95 - $89.95
Current price $89.95
Original price $104.95 - Original price $104.95
Original price
$104.95
$104.95 - $104.95
Current price $104.95

Celestron CrossAim 12.5mm Reticle Eyepiece - 1.25"

CEL-93235

Features Ideal for Accurate Polar Alignment Well suited for use with Off-Axis Guiders for centering and guiding of stars Adjustable red LED light b...

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Original price $104.95 - Original price $104.95
Original price
$104.95
$104.95 - $104.95
Current price $104.95
Sold out
Original price $159.95 - Original price $159.95
Original price
$159.95
$159.95 - $159.95
Current price $159.95

Celestron Dielectric Star Diagonal with Twist-Lock - 1.25"

CEL-93571

Over 99% reflectivity from 58-layer dielectric mirror coatings 1.25” Twist-Lock holder provides a secure, self-centering grip Diffraction-limited ...

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Original price $159.95 - Original price $159.95
Original price
$159.95
$159.95 - $159.95
Current price $159.95
Original price $259.95 - Original price $259.95
Original price
$259.95
$259.95 - $259.95
Current price $259.95

Celestron Dielectric Star Diagonal with Twist-Lock - 2"

CEL-93573

Delivers over 99% reflectivity with 58 layers of dielectric coatings Secure, self-centering Twist-Lock mechanism for 2" and 1.25" eyepieces Includ...

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Original price $259.95 - Original price $259.95
Original price
$259.95
$259.95 - $259.95
Current price $259.95
Original price $30.00 - Original price $30.00
Original price
$30.00
$30.00 - $30.00
Current price $30.00

Celestron FirstScope Accessory Kit

CEL-21024-ACC

5x24 finderscope for easy object location 12.5mm eyepiece provides 24x magnification 6mm eyepiece boosts magnification to 50x 1.25" Moon Filter re...

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Original price $30.00 - Original price $30.00
Original price
$30.00
$30.00 - $30.00
Current price $30.00
Original price $139.95 - Original price $139.95
Original price
$139.95
$139.95 - $139.95
Current price $139.95

Celestron Luminos 10 mm - 1.25"

CEL-93431

82° Apparent Field of View 10mm Focal Length for High-Magnification Views 7-Element Fully Multi-Coated Optics Parfocal with all Luminos Eyepieces ...

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Original price $139.95 - Original price $139.95
Original price
$139.95
$139.95 - $139.95
Current price $139.95
Original price $139.95 - Original price $139.95
Original price
$139.95
$139.95 - $139.95
Current price $139.95

Celestron Luminos 15 mm - 1.25"

CEL-93432

82° Apparent Field of View 15mm Focal Length 1.25" Barrel Size 17mm Eye Relief for Viewing Comfort Parfocal with all Luminos Eyepieces 7-Element F...

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Original price $139.95 - Original price $139.95
Original price
$139.95
$139.95 - $139.95
Current price $139.95
Original price $199.95 - Original price $199.95
Original price
$199.95
$199.95 - $199.95
Current price $199.95

Celestron Luminos 19 mm - 2"

CEL-93433
1 in stock

82° Apparent Field of View 19mm Focal Length in a 2" Barrel 6-Element Fully Multi-Coated Optics Generous 20mm Eye Relief Parfocal with all Luminos...

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Original price $199.95 - Original price $199.95
Original price
$199.95
$199.95 - $199.95
Current price $199.95
Original price $159.95 - Original price $159.95
Original price
$159.95
$159.95 - $159.95
Current price $159.95

Celestron Luminos 2.5x Barlow - 2"

CEL-93436

Instantly increases eyepiece magnification by 2.5x 4-element apochromatic optics deliver high-contrast, color-correct views Accepts both 2" and 1....

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Original price $159.95 - Original price $159.95
Original price
$159.95
$159.95 - $159.95
Current price $159.95
Original price $249.95 - Original price $249.95
Original price
$249.95
$249.95 - $249.95
Current price $249.95

Celestron Luminos 23 mm - 2"

CEL-93434
1 in stock

23mm Focal Length for Medium-Low Power Wide Views 82° Apparent Field of View 2" Barrel Diameter 20mm Eye Relief for Viewing Comfort 6-Element Opti...

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Original price $249.95 - Original price $249.95
Original price
$249.95
$249.95 - $249.95
Current price $249.95
Original price $299.95 - Original price $299.95
Original price
$299.95
$299.95 - $299.95
Current price $299.95

Celestron Luminos 31 mm - 2"

CEL-93435

82° Apparent Field of View 31mm Focal Length 2" Barrel Size 27mm Eye Relief Parfocal with other Luminos eyepieces Pop-up Adjustable Eyeguard De...

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Original price $299.95 - Original price $299.95
Original price
$299.95
$299.95 - $299.95
Current price $299.95