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(359 products)

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In stock (266)
Out of stock (128)

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Brand

10Micron (2)
Antlia (31)
Askar (57)
Baader Planetarium (4)
Celestron (6)
Daystar (16)
iOptron (1)
Optolong (18)
QHYCCD (1)
Sharpstar (5)
Sky-Watcher (5)
ToupTek (26)
Touptek (3)
WarpAstron (3)
William Optics (47)
ZWO (131)

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Optical thickness

5 mm (1)
20 mm (5)
Optical thickness: 0 mm (3)
Optical thickness: 1 mm (1)
Optical thickness: 2 mm (3)
Optical thickness: 5 mm (4)
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: 11 mm (2)
Optical thickness: 11.5 mm (2)
Optical thickness: 14 mm (1)
Optical thickness: 15 mm (2)
Optical thickness: 16.5 mm (2)
Optical thickness: 17.5 mm (1)
Optical thickness: 21 mm (3)
Optical thickness: 22.5 mm (1)
Optical thickness: 26.5 mm (1)
Optical thickness: 29 mm (2)
Optical thickness: 31 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)
Optical thickness: 48.5 mm (1)

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Aperture

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Optical design

Achromatic Doublet (1)
Apochromatic doublet (8)
Apochromatic Petzval (3)
Apochromatic Petzval quadruplet (9)
Apochromatic Petzval quintuplet (8)
Apochromatic Petzval sextuplet (1)
Apochromatic Quintuplet (6)
Apochromatic septuplet (3)
Apochromatic sextuplet (2)
Apochromatic triplet (11)
Apochromatic Triplet (2)
Corrected Cassegrain astrograph (2)
Doublet (4)
H-alpha apochromatic doublet (3)
Newtonian (2)
Schmidt-Cassegrain (2)

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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 (1)
f/4.8 (10)
f/4.9 (3)
f/5 (4)
f/5.5 (1)
f/5.6 (4)
f/5.9 (5)
f/6.4 (3)
f/6.5 (2)
f/6.7 (1)
f/6.8 (1)
f/6.9 (3)
f/7 (7)
f/7.5 (5)
f/7.7 (1)
f/7.8 (1)
f/10 (2)
f/15.5 (2)
f/17.5 (1)

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Mount type

Alt-Azimuth (1)
Computerized Altitude-Azimuth Dual Fork Arm (1)
Dobsonian (2)
Equatorial (4)
Equatorial / Alt-Azimuth (3)

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Payload capacity

80 kg (1)
13 kg with counterweight (1)
8 kg without counterweight (1)
15 kg without counterweight (1)
20 kg without counterweight (1)
22 kg without counterweight (2)
30 kg without counterweight (2)
Payload: 18 kg (1)
Payload: 25 kg (1)
Payload: 34 kg (1)
≤2.5 Nm (5kg) (1)

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Encoders

Encoders: None (7)

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Counterweight shaft

19 mm (2)
20 mm (2)
32 mm (1)

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Bit depth

12-bit (31)
14-bit (12)
16-bit (19)

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Pixel size

1.45 µm (2)
2.0 µm (5)
2.4 µm (1)
2.9 µm (12)
3.45 µm (1)
3.75 µm (2)
3.76 µm (24)
4.0 µm (2)
4 µm (1)
4.4 µm (1)
4.63 µm (3)
5 µm (2)
5.86 µm (2)
9 µm (1)
2.3 / 4.63 µm (3)

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Resolution

656 x 520 (2)
1280 x 960 (2)
1280 x 1024 (1)
1608 x 1104 (1)
1920 x 1080 (9)
1936 x 1216 (2)
2704 x 1536 (1)
3008 x 3008 (5)
3552 x 3552 (1)
3840 x 2160 (10)
3864 x 2192 (1)
4128 x 2808 (2)
4144 x 2822 (4)
5496 x 3672 (1)
6224 x 4168 (3)
6248 x 4176 (8)
6280 x 4210 (1)
8192 x 5460 (1)
8288 x 5644 (3)
9568 x 6380 (3)
9576 x 6388 (3)
11656 x 8750 (1)

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Quantum efficiency

75% (2)
77% (2)
79% (1)
80% (17)
81% (6)
83% (5)
84% (1)
89% (1)
90% (5)
91% (16)
92% (3)
>80% @ 1200 nm (3)

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Sensor diagonal

4.12 mm (1)
6 mm (1)
6.14 mm (1)
6.39 mm (4)
6.45 mm (4)
8.2 mm (1)
8.47 mm (2)
8.81 mm (3)
8.86 mm (2)
9.02 mm (1)
10.04 mm (1)
12.84 mm (5)
13.2 mm (2)
15.9 mm (1)
15.97 mm (2)
16 mm (3)
17.6 mm (1)
23.1 mm (5)
23.2 mm (1)
28.3 mm (11)
28.43 mm (1)
43.2 mm (3)
43.3 mm (4)
55 mm (1)

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FPS

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Filter size

1.25" (38)
2" (41)
31 mm (14)
36 mm (21)
47.4 mm (3)
50 mm x 50 mm square (9)
65 mm x 65 mm square (4)
50 mm round (16)
EOS C (3)
EOS Full Frame (3)
EOS R (1)
Nikon Full Frame (2)
Sony Full Frame (1)

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Bandpass (FWHM)

2.5 nm (4)
3 nm (11)
3.5 nm (2)
4 nm (2)
4.5 nm (4)
5 nm (1)
6.5 nm (3)
7 nm (5)
11 nm (1)
20 nm (2)
25 nm (1)
3.5 - 4 nm / 6.5 nm (1)
~0.5Å (3)

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Apparent FOV

60° (1)

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Colour or Monochrome

Colour (30)
Monochromatic (1)
Monochrome (32)

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Cooled

Cooled (36)
Non-cooled (26)
TEC cooled (ΔT of 35°C) (1)

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6% off

WILLIAM OPTICS COPPER M48 T-RING FOR NIKON
Very low stock (1 unit)

Sale price $149.00AUD Regular price $159.00
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WILLIAM OPTICS M48 T-RING FOR CANON EOS

(1)

In stock

Regular price $59.00AUD
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WILLIAM OPTICS M48 T-RING FOR NIKON
In stock

Regular price $59.00AUD
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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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WILLIAM OPTICS M48 T-RING FOR SONY E-MOUNT

(1)

In stock

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

WILLIAM OPTICS M48 T-RING FOR CANON EOS-R
Very low stock (1 unit)

Sale price $89.00AUD Regular price $99.00
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10% off

WILLIAM OPTICS M48 T-RING FOR NIKON Z
In stock

Sale price $89.00AUD Regular price $99.00
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13% off

WILLIAM OPTICS M48 T-RING FOR OLYMPUS MICRO 4/3
In stock

Sale price $69.00AUD Regular price $79.00
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CAMERA ANGLE ROTATOR FOR 2.5" M63 FOCUSER

(1)

Very low stock (1 unit)

Regular price $189.00AUD
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7% off

3" CAMERA ANGLE ROTATOR FOR M92 FOCUSER
In stock

Sale price $279.00AUD Regular price $299.00
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11% off

DURA-BRIGHT 2" DIELECTRIC 90° DIAGONAL

(1)

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Sale price $249.00AUD Regular price $279.00
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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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6% off

WILLIAM OPTICS 1.25" 90° ERECTING PRISM

(1)

In stock

Sale price $159.00AUD Regular price $169.00
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10% off

ASKAR 0.7x FLATTENER AND REDUCER FOR FRA600

(1)

Backordered

Sale price $719.00AUD Regular price $799.00
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WILLIAM OPTICS GUIDESTAR 61 F/5.9 APO

(1)

Gold Red Blue
In stock

Regular price $799.00AUD
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8% off

DAYSTAR 2" EYEPIECE HOLDER FOR QUARK
In stock

Sale price $109.00AUD Regular price $119.00
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9% off

DAYSTAR QUARK T-RING ADAPTER
In stock

Sale price $99.00AUD Regular price $109.00
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Up to 8% off

FLUOROSTAR 120 F/6.5 APO TRIPLET

(3)

Gold Red Space Grey
Backordered

Sale price From $5,439.00AUD Regular price $5,899.00
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8% off

ASKAR FMA230 F/4.6 TRIPLET APO LENS

(1)

Sale price $1,149.00AUD Regular price $1,249.00
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13% off

ANTLIA CH4 METHANE FILTER 1.25"
Very low stock (1 unit)

Sale price $279.00AUD Regular price $319.00
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ZWO M54 15mm ADAPTER
In stock

Regular price $59.00AUD
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3% off

DAYSTAR T-MOUNT INTERFERENCE ELIMINATOR
Very low stock (1 unit)

Sale price $329.00AUD Regular price $339.00
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ANTLIA LRGB PRO FILTER SET
In stock

Sale price From $499.00AUD Regular price $549.00
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Sold out

8% off

ASKAR FMA135 F/4.5 TRIPLET APO LENS

(2)

Sale price $549.00AUD Regular price $599.00
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ZWO OAG-L OFF AXIS GUIDER

(2)

In stock

Regular price $345.00AUD
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FINDER SCOPE MOUNTING BASE

(1)

In stock

Regular price $39.00AUD
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FREE SHIPPING

OPTOLONG L-ULTIMATE FILTER

(3)

In stock

Regular price From $489.00AUD
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ZWO ASI482MC [COLOUR]

(1)

In stock

Regular price $529.00AUD
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11% off

DAYSTAR QUARK 1.25" & 2" SNOUT PACK
Very low stock (1 unit)

Sale price $129.00AUD Regular price $145.00
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6% off

ASKAR 107PHQ APO QUADRUPLET f/7

(1)

Backordered

Sale price $3,799.00AUD Regular price $4,049.00
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ZWO ASI533MM PRO [MONO]

(1)

In stock

Regular price $1,699.00AUD
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Up to 11% off

ANTLIA ALP-T FAST GOLDEN DUAL BAND FILTER

(4)

Very low stock (1 unit)

Sale price From $489.00AUD Regular price $549.00
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WILLIAM OPTICS GUIDESTAR 61 IMAGING KIT
Gold Blue
In stock

Regular price $999.00AUD
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WILLIAM OPTICS GUIDESTAR 61 PRO KIT
Gold Blue
In stock

Regular price $1,399.00AUD
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8% off

ASKAR 80PHQ APO QUADRUPLET f/7.5

(3)

In stock

Sale price $2,449.00AUD Regular price $2,649.00
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Up to 11% off

ANTLIA Ha 4.5nm EDGE NARROWBAND FILTER
In stock

Sale price From $309.00AUD Regular price $339.00
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Up to 11% off

ANTLIA SII 4.5nm EDGE NARROWBAND FILTER
In stock

Sale price From $309.00AUD Regular price $339.00
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Up to 11% off

ANTLIA OIII 4.5nm EDGE NARROWBAND FILTER
In stock

Sale price From $309.00AUD Regular price $339.00
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Up to 13% off

ASKAR VIXEN DOVETAIL BAR 150mm

(1)

Red Green
Very low stock (1 unit)

Sale price $69.00AUD Regular price $79.00
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Up to 11% off

ASKAR VIXEN DOVETAIL BAR 200mm

(2)

Red Green
In stock

Sale price $79.00AUD Regular price $89.00
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Up to 17% off

ASKAR VIXEN DOVETAIL BAR 300mm
Red Green

Sale price $99.00AUD Regular price $119.00
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Up to 12% off

ASKAR LOSMANDY DOVETAIL BAR 200mm
Red Green
In stock

Sale price $119.00AUD Regular price $135.00
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Up to 16% off

ASKAR LOSMANDY DOVETAIL BAR 300mm
Red Green
In stock

Sale price From $159.00AUD Regular price $189.00
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Up to 11% off

ANTLIA 4.5nm EDGE NARROWBAND SHO SET
In stock

Sale price From $919.00AUD Regular price $999.00
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Up to 5% off

WILLIAM OPTICS LOSMANDY DOVETAIL 400mm
Gold Red Space Grey
Backordered

Sale price $189.00AUD Regular price $199.00
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ZWO ASI432MM [MONO]

(1)

In stock

Regular price $999.00AUD
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ZWO ASI585MC [COLOUR]

(1)

In stock

Regular price $669.00AUD
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ZWO ASI662MC [COLOUR]

(2)

In stock

Regular price $249.00AUD
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ZWO ASI678MC [COLOUR]

(4)

Very low stock (1 unit)

Regular price $499.00AUD
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ZWO 160mm PIER EXTENSION FOR AM5
In stock

Regular price $189.00AUD

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