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SUMMER SALE 2026

(179 products)

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In stock (98)
Out of stock (106)

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Brand

Antlia (31)
Askar (60)
Daystar (16)
Sharpstar (5)
ToupTek (23)
Touptek (3)
WarpAstron (3)
William Optics (38)

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Optical thickness

Optical thickness: 8.3 mm (2)
Optical thickness: 10 mm (1)
Optical thickness: 10.6 mm (1)
Optical thickness: 10.8 mm (1)
Optical thickness: 15 mm (1)
Optical thickness: 34.5 mm (1)
Optical thickness: 37 mm (2)
Optical thickness: 38.5 mm (1)

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Aperture

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Optical design

Apochromatic doublet (1)
Apochromatic Petzval (3)
Apochromatic Petzval quadruplet (12)
Apochromatic Petzval quintuplet (7)
Apochromatic Petzval sextuplet (1)
Apochromatic Quintuplet (5)
Apochromatic septuplet (3)
Apochromatic sextuplet (2)
Apochromatic Sextuplet (1)
Apochromatic triplet (10)
Apochromatic Triplet (2)
Corrected Cassegrain astrograph (2)
Doublet (4)
H-alpha apochromatic doublet (3)

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Focal length

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Focal ratio

f/3.5 (1)
f/3.75 (1)
f/3.8 (2)
f/4 (2)
f/4.5 (3)
f/4.6 (2)
f/4.8 (9)
f/4.9 (3)
f/5 (1)
f/5.5 (1)
f/5.6 (4)
f/5.9 (1)
f/6.4 (2)
f/6.5 (2)
f/6.7 (1)
f/6.8 (3)
f/6.9 (3)
f/7 (7)
f/7.5 (2)
f/7.7 (1)
f/7.8 (1)
f/15.5 (2)
f/17.5 (1)

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Mount type

Alt-Azimuth (1)
Equatorial / Alt-Azimuth (3)

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Payload capacity

15 kg without counterweight (1)
20 kg without counterweight (1)
22 kg without counterweight (2)
30 kg without counterweight (2)

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Encoders

Encoders: None (3)

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Bit depth

12-bit (11)
14-bit (2)
16-bit (5)

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Pixel size

1.45 µm (1)
2.0 µm (2)
2.9 µm (5)
3.75 µm (1)
3.76 µm (7)
4.0 µm (2)

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Resolution

1280 x 960 (1)
1920 x 1080 (6)
3008 x 3008 (2)
3840 x 2160 (4)
6224 x 4168 (2)
9568 x 6380 (3)

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Quantum efficiency

75% (1)
80% (5)
81% (2)
83% (2)
89% (1)
90% (2)
91% (3)
92% (2)

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Sensor diagonal

6.14 mm (1)
6.39 mm (4)
6.45 mm (1)
8.47 mm (2)
8.81 mm (2)
12.84 mm (1)
15.97 mm (2)
28.3 mm (2)
43.3 mm (3)

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FPS

6.2 FPS (3)
13.3 FPS (2)
17.8 FPS (1)
18 FPS (2)
30 FPS (1)
40 FPS (2)
47 FPS (4)
150 FPS (2)
152 FPS (1)

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Filter size

1.25" (15)
2" (24)
31 mm (10)
36 mm (16)
50 mm x 50 mm square (5)
50 mm round (12)

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Bandpass (FWHM)

2.5 nm (4)
3 nm (8)
3.5 nm (1)
4.5 nm (4)
5 nm (1)
20 nm (2)
~0.5Å (3)

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Colour or Monochrome

Colour (8)
Monochrome (10)

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Cooled

Cooled (8)
Non-cooled (10)

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Sold out

ASKAR 50P f/3.8 APO REFRACTOR

Regular price $354⁰⁰ USD
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Sold out

ASKAR 60F f/6.8 APO REFRACTOR

Regular price $579⁰⁰ USD
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ASKAR 0.75x REDUCER FOR 60F

Regular price $232⁰⁰ USD
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ASKAR SQA60 PRO f/4.6 APO REFRACTOR

Regular price $1,319⁰⁰ USD
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ASKAR 131F f/7.5 APO REFRACTOR
Very low stock (1 unit)

Regular price $2,060⁰⁰ USD
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ASKAR 111F f/6.9 APO REFRACTOR
Very low stock (1 unit)

Regular price $1,545⁰⁰ USD
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FREE SHIPPING

Sold out

TOUPTEK SKYEYE 62AM PRO IMAGING KIT

Regular price From $4,956⁰⁰ USD
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5% off

WILLIAM OPTICS ULTRA-CAT 76 f/4.8 REFRACTOR
Very low stock (1 unit)

Sale price $2,440⁰⁰ USD Regular price $2,575⁰⁰
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4% off

WILLIAM OPTICS ULTRA-CAT 56 f/4.8 REFRACTOR
BLACK
Very low stock (1 unit)

Sale price $1,487⁰⁰ USD Regular price $1,545⁰⁰
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14% off

TOUPTEK GPM CMOS 662M GUIDE CAMERA [MONO]

Sale price $161⁰⁰ USD Regular price $187⁰⁰
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6% off

ASKAR FRA400C F/5.6 APO REFRACTOR
In stock

Sale price $965⁰⁰ USD Regular price $1,030⁰⁰
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Sold out

8% off

ASKAR 91F f/6.7 APO REFRACTOR

Sale price $1,062⁰⁰ USD Regular price $1,159⁰⁰
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FREE SHIPPING
Up to 8% off

TOUPTEK ATR 585M PRO IMAGING KIT
In stock

Sale price From $1,603⁰⁰ USD Regular price $1,641⁰⁰
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FREE SHIPPING
5% off

TOUPTEK ATR 585M PRO COOLED CAMERA [MONO]
Very low stock (1 unit)

Sale price $611⁰⁰ USD Regular price $644⁰⁰
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15% off

TOUPTEK GPM CMOS 174M GUIDE CAMERA [MONO]
Very low stock (1 unit)

Sale price $354⁰⁰ USD Regular price $418⁰⁰
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10% off

WARPASTRON WARPDRIVE WD-20P HARMONIC MOUNT

Sale price $3,669⁰⁰ USD Regular price $4,055⁰⁰
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4% off

WILLIAM OPTICS ULTRA-CAT 108 f/4.8 REFRACTOR
BLACK
In stock

Sale price $4,036⁰⁰ USD Regular price $4,184⁰⁰
Compare

15% off

STELLAVITA

(1)

Very low stock (1 unit)

Sale price $354⁰⁰ USD Regular price $418⁰⁰
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8% off

ASKAR 160APO f/7 APOCHROMATIC REFRACTOR
Backordered

Sale price $4,087⁰⁰ USD Regular price $4,441⁰⁰
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5% off

ASKAR SQA70 f/4.8 APO QUINTUPLET

(1)

In stock

Sale price $1,706⁰⁰ USD Regular price $1,802⁰⁰
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7% off

ASKAR SQA106 f/4.8 APO QUINTUPLET

Sale price $3,605⁰⁰ USD Regular price $3,862⁰⁰
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Up to 5% off

WILLIAM OPTICS REDCAT 91 WIFD f/4.9 REFRACTOR
Black Red

Sale price $2,761⁰⁰ USD Regular price $2,897⁰⁰
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17% off

TOUPTEK AAF ELECTRONIC AUTOFOCUSER
In stock

Sale price $161⁰⁰ USD Regular price $193⁰⁰
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Up to 3% off

TOUPTEK EXTRA LARGE OFF AXIS GUIDER
In stock

Sale price $187⁰⁰ USD Regular price $193⁰⁰
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10% off

TOUPTEK AFW ELECTRONIC FILTER WHEEL 7 x 2"
Very low stock (1 unit)

Sale price $290⁰⁰ USD Regular price $322⁰⁰
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ASKAR 52mm F4 GUIDE SCOPE
Very low stock (1 unit)

Regular price $212⁰⁰ USD
Compare

6% off

ASKAR SQA85 f/4.8 APO QUINTUPLET
In stock

Sale price $2,543⁰⁰ USD Regular price $2,703⁰⁰
Compare

Up to 5% off

WILLIAM OPTICS MINICAT 51 WIFD f/3.5 REFRACTOR
In stock

Sale price $953⁰⁰ USD Regular price $998⁰⁰
Compare

6% off

ANTLIA ENERGY REJECTION FILTER 200mm
Backordered

Sale price $2,420⁰⁰ USD Regular price $2,575⁰⁰
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6% off

ANTLIA ENERGY REJECTION FILTER 150mm
Backordered

Sale price $1,332⁰⁰ USD Regular price $1,416⁰⁰
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6% off

ANTLIA ENERGY REJECTION FILTER 130mm
Backordered

Sale price $1,023⁰⁰ USD Regular price $1,094⁰⁰
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FREE SHIPPING
11% off

ANTLIA ALP-T SII & Hb 3.5nm DUAL BAND FILTER
In stock

Sale price $373⁰⁰ USD Regular price $418⁰⁰
Compare

FREE SHIPPING

Sold out

ANTLIA ALP-T Ha & OIII 3nm DUAL BAND FILTER

Sale price $405⁰⁰ USD Regular price $450⁰⁰
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8% off

ASKAR 0.75x REDUCER FOR 71F
Very low stock (1 unit)

Sale price $219⁰⁰ USD Regular price $238⁰⁰
Compare

Sold out

7% off

ASKAR SQA55 WITH EAF BUNDLE

Sale price $1,075⁰⁰ USD Regular price $1,159⁰⁰
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13% off

ASKAR EAF MOUNTING KIT FOR SQA55
Very low stock (1 unit)

Sale price $84⁰⁰ USD Regular price $96⁰⁰
Compare

6% off

ASKAR 203APO f/7 TRIPLET REFRACTOR
Backordered

Sale price $9,108⁰⁰ USD Regular price $9,656⁰⁰
Compare

Sold out

7% off

ASKAR SQA55 f/4.8 APO QUINTUPLET

(1)

Sale price $837⁰⁰ USD Regular price $901⁰⁰
Compare

1% off

WILLIAM OPTICS PLEIADES 181 F/5.5 ASTROGRAPH
Backordered

Sale price $19,118⁰⁰ USD Regular price $19,311⁰⁰
Compare

Sold out

16% off

WARPASTRON WARPDRIVE WD-20 HARMONIC MOUNT

Sale price $3,154⁰⁰ USD Regular price $3,733⁰⁰
Compare

12% off

WARPASTRON WARPDRIVE WD-17 HARMONIC MOUNT
In stock

Sale price $2,446⁰⁰ USD Regular price $2,768⁰⁰
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Up to 8% off

ASKAR 71F f/6.9 APO REFRACTOR
In stock

Sale price From $708⁰⁰ USD Regular price $772⁰⁰
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Sold out

Up to 1% off

POLLUX 400 COMPLETE ASTROPHOTOGRAPHY KIT

Sale price From $3,701⁰⁰ USD Regular price $3,733⁰⁰
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TOUPTEK M54 FILTER DRAWER
In stock

Regular price $64⁰⁰ USD
Compare

22% off

TOUPTEK AFW ELECTRONIC FILTER WHEEL 5 x 2"
Very low stock (1 unit)

Sale price $225⁰⁰ USD Regular price $290⁰⁰
Compare

22% off

TOUPTEK AFW ELECTRONIC FILTER WHEEL 7 x 36mm
In stock

Sale price $225⁰⁰ USD Regular price $290⁰⁰
Compare

FREE SHIPPING
Up to 11% off

TOUPTEK ATR 2600M PRO IMAGING KIT
In stock

Sale price From $3,135⁰⁰ USD Regular price $3,412⁰⁰
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Sold out

Up to 1% off

CASTOR 65A COMPLETE ASTROPHOTOGRAPHY KIT

Sale price From $3,379⁰⁰ USD Regular price $3,412⁰⁰
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22% off

TOUPTEK AFW ELECTRONIC FILTER WHEEL 8 X 1.25"
In stock

Sale price $225⁰⁰ USD Regular price $290⁰⁰
Compare

FREE SHIPPING

Sold out

TOUPTEK SKYEYE 62AM PRO CAMERA [MONO]

Sale price $3,605⁰⁰ USD Regular price $3,991⁰⁰

Showing 50 of 179

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