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In stock (130)
Out of stock (24)

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Brand

10Micron (1)
Antlia (23)
Askar (37)
Baader Planetarium (4)
Celestron (5)
Daystar (6)
iOptron (1)
Sharpstar (2)
Sky-Watcher (4)
ToupTek (18)
Touptek (3)
WarpAstron (2)
William Optics (24)

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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)
Optical thickness: 41.5 mm (1)

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Aperture

32 mm (2)
40 mm (2)
50 mm (2)
51 mm (2)
55 mm (2)
56 mm (1)
60 mm (1)
61 mm (1)
70 mm (1)
71 mm (1)
72 mm (2)
76mm (1)
80 mm (4)
85 mm (1)
91 mm (1)
103 mm (1)
106 mm (1)
108 mm (1)
120 mm (1)
130 mm (1)
140 mm (2)
185 mm (1)
235 mm (1)

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Optical design

Apochromatic doublet (3)
Apochromatic Petzval (3)
Apochromatic Petzval quadruplet (4)
Apochromatic Petzval quintuplet (3)
Apochromatic Petzval sextuplet (1)
Apochromatic Quintuplet (5)
Apochromatic sextuplet (2)
Apochromatic triplet (5)
Apochromatic Triplet (1)
Doublet (4)
H-alpha apochromatic doublet (1)
Newtonian (1)
Schmidt-Cassegrain (1)

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Focal length

120 mm (1)
128 mm (1)
178 mm (1)
180 mm (2)
200 mm (1)
230 mm (1)
250 mm (1)
264 mm (2)
269 mm (1)
300 mm (1)
336 mm (1)
365mm (1)
400 mm (2)
408 mm (1)
448 mm (1)
490 mm (1)
509 mm (1)
518 mm (1)
600 mm (4)
650 mm (1)
700 mm (1)
840 mm (1)
910 mm (1)
930 mm (1)
980 mm (1)
1295 mm (1)
2350 mm (1)

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Focal ratio

f/3.5 (1)
f/3.75 (1)
f/4 (2)
f/4.5 (2)
f/4.6 (1)
f/4.8 (8)
f/4.9 (3)
f/5 (1)
f/5.6 (2)
f/6.5 (1)
f/6.8 (1)
f/6.9 (1)
f/7 (3)
f/7.5 (4)
f/10 (1)
f/15.5 (1)

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Mount type

Computerized Altitude-Azimuth Dual Fork Arm (1)
Dobsonian (1)
Equatorial (3)
Equatorial / Alt-Azimuth (2)

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Payload capacity

80 kg (1)
15 kg without counterweight (1)
20 kg without counterweight (1)
22 kg without counterweight (1)
30 kg without counterweight (1)
Payload: 18 kg (1)
Payload: 25 kg (1)
Payload: 34 kg (1)

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Encoders

Encoders: None (5)

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Counterweight shaft

19 mm (2)
32 mm (1)

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Bit depth

12-bit (9)
14-bit (2)
16-bit (2)

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Pixel size

1.45 µm (1)
2.0 µm (1)
2.9 µm (4)
3.75 µm (1)
3.76 µm (4)
4.0 µm (2)

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Resolution

1280 x 960 (1)
1920 x 1080 (5)
3008 x 3008 (2)
3840 x 2160 (3)
6224 x 4168 (2)

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Quantum efficiency

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

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Sensor diagonal

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

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FPS

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

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Filter size

1.25" (19)
2" (23)
31 mm (14)
36 mm (15)
47.4 mm (3)
50 mm x 50 mm square (9)
65 mm x 65 mm square (4)
50 mm round (13)

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Bandpass (FWHM)

2.5 nm (4)
3 nm (5)
3.5 nm (2)
4 nm (2)
4.5 nm (4)
5 nm (1)
20 nm (2)
3.5 - 4 nm / 6.5 nm (1)
~0.5Å (1)

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Colour or Monochrome

Colour (6)
Monochrome (7)

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Cooled

Cooled (5)
Non-cooled (8)

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ASKAR 0.75x REDUCER FOR 91F
Very low stock (1 unit)

Regular price $539.00AUD
Compare

5% off

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

Sale price $3,789.00AUD Regular price $3,999.00
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13% off

SKYWATCHER HERITAGE 130mm (5") TABLETOP DOBSONIAN
Very low stock (1 unit)

Sale price $349.00AUD Regular price $399.00
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WILLIAM OPTICS DSD VIXEN DOVETAIL 210mm

(4)

Red Black
In stock

Regular price $79.00AUD
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13% off

WILLIAM OPTICS M48 T-RING FOR SONY E-MOUNT

(1)

In stock

Sale price $69.00AUD Regular price $79.00
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13% off

WILLIAM OPTICS M48 T-RING FOR FUJI X-MOUNT
Very low stock (1 unit)

Sale price $69.00AUD Regular price $79.00
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10% off

DURA-BRIGHT 1.25" DIELECTRIC 90° DIAGONAL
Very low stock (1 unit)

Sale price $179.00AUD Regular price $199.00
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5% off

WILLIAM OPTICS REDCAT 61 WIFD F/4.9 APO REFRACTOR

(1)

In stock

Sale price $1,809.00AUD Regular price $1,899.00
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6% off

WILLIAM OPTICS REDCAT 51-III WIFD f/4.9 REFRACTOR

(2)

In stock

Sale price $1,319.00AUD Regular price $1,399.00
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Up to 5% off

WILLIAM OPTICS MINICAT 51 WIFD f/3.5 REFRACTOR
In stock

Sale price $1,479.00AUD Regular price $1,549.00
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Up to 5% off

WILLIAM OPTICS REDCAT 91 WIFD f/4.9 REFRACTOR
Black Red
Very low stock (1 unit)

Sale price $4,289.00AUD Regular price $4,499.00
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4% off

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

Sale price $6,269.00AUD Regular price $6,499.00
Compare

4% off

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

Sale price $2,309.00AUD Regular price $2,399.00
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8% off

ANTLIA OIII 2.5nm ULTRA NARROWBAND FILTER 2"
Very low stock (1 unit)

Sale price $969.00AUD Regular price $1,059.00
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8% off

ANTLIA Ha 2.5nm ULTRA NARROWBAND FILTER 2"
Very low stock (1 unit)

Sale price $969.00AUD Regular price $1,059.00
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9% off

ANTLIA TRIBAND II RGB ULTRA FILTER 2"

(4)

In stock

Sale price $299.00AUD Regular price $329.00
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10% off

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

Sale price $449.00AUD Regular price $499.00
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6% off

ASKAR SQA85 f/4.8 APO QUINTUPLET
In stock

Sale price $3,949.00AUD Regular price $4,199.00
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Up to 8% off

ASKAR 71F f/6.9 APO REFRACTOR
In stock

Sale price From $1,099.00AUD Regular price $1,199.00
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5% off

ASKAR SQA70 f/4.8 APO QUINTUPLET

(1)

In stock

Sale price $2,649.00AUD Regular price $2,799.00
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7% off

ASKAR SQA106 f/4.8 APO QUINTUPLET
Very low stock (1 unit)

Sale price $5,599.00AUD Regular price $5,999.00
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8% off

ASKAR 0.75x REDUCER FOR 71F
In stock

Sale price $339.00AUD Regular price $369.00
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13% off

CELESTRON CPC 925 XLT GPS SCT
Very low stock (1 unit)

Sale price $4,599.00AUD Regular price $5,299.00
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9% off

ANTLIA 2.5nm ULTRA NARROWBAND 2" SET Ha + OIII + SII
Very low stock (1 unit)

Sale price $2,899.00AUD Regular price $3,169.00
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FREE SHIPPING
Up to 11% off

TOUPTEK ATR 2600M PRO IMAGING KIT
In stock

Sale price From $4,869.00AUD Regular price $5,299.00
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FREE SHIPPING
Up to 8% off

TOUPTEK ATR 585M PRO IMAGING KIT
Very low stock (1 unit)

Sale price From $2,489.00AUD Regular price $2,549.00
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7% off

ASKAR SQA55 WITH EAF BUNDLE
In stock

Sale price $1,669.00AUD Regular price $1,799.00
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29% off

CELESTRON CGEM II MOUNT
In stock

Sale price $2,399.00AUD Regular price $3,399.00
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32% off

CELESTRON CGX MOUNT
Very low stock (1 unit)

Sale price $2,999.00AUD Regular price $4,399.00
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43% off

CELESTRON CGX-L MOUNT
Very low stock (1 unit)

Sale price $3,999.00AUD Regular price $6,999.00

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