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(360 products)

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Availability

In stock (224)
Out of stock (174)

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Brand

10Micron (2)
Antlia (31)
Askar (57)
Baader Planetarium (2)
Celestron (6)
Daystar (16)
DwarfLab (1)
iOptron (1)
Optolong (18)
QHYCCD (1)
Sharpstar (5)
Sky-Watcher (5)
ToupTek (26)
Touptek (3)
WarpAstron (3)
William Optics (47)
ZWO (133)

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Threads

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Optical thickness

5 mm (1)
7.5 mm (1)
10 mm (1)
20 mm (5)
Optical thickness: 0 mm (3)
Optical thickness: 1 mm (1)
Optical thickness: 2 mm (3)
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)
Dual telephoto & wide-angle lenses (1)
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 (5)
Equatorial / Alt-Az (1)
Equatorial / Alt-Azimuth (3)

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Payload capacity

80 kg (1)
13 kg with counterweight (1)
20 kg with counterweight (1)
30 kg with counterweight (1)
8 kg without counterweight (1)
15 kg without counterweight (2)
20 kg without counterweight (2)
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 (9)

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Counterweight shaft

19 mm (2)
20 mm (3)
25 mm (1)
32 mm (1)

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Bit depth

12-bit (33)
14-bit (12)
16-bit (19)

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Pixel size

1.45 µm (2)
2.0 µm (6)
2.4 µm (1)
2.9 µm (13)
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 (2)
3840 x 2160 (11)
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% (6)
84% (1)
89% (1)
90% (5)
91% (17)
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 (2)
12.8 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" (36)
2" (39)
31 mm (12)
36 mm (19)
47.4 mm (2)
50 mm x 50 mm square (7)
65 mm x 65 mm square (2)
50 mm round (14)
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 (1)
4.5 nm (4)
5 nm (1)
6.5 nm (3)
7 nm (5)
11 nm (1)
20 nm (2)
25 nm (1)
~0.5Å (3)

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Apparent FOV

60° (1)

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Colour or Monochrome

Colour (31)
Monochromatic (2)
Monochrome (32)

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Cooled

Cooled (37)
Non-cooled (27)
TEC cooled (ΔT of 35°C) (1)

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ZWO ASI2600MC PRO P25 [COLOUR]

(10)

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ZWO ASI533MC PRO [COLOUR]

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(20)

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ZWO M48 TO M42 EXTENDER 16.5 mm
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Sale price $29.00AUD Regular price $35.00
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ZWO M42 TO M42 EXTENDER 11mm

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Sale price $29.00AUD Regular price $35.00
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ZWO CAMERA DEW HEATER

(1)

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ZWO DESICCANT TABLETS

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ZWO CANON M42 ADAPTER

(3)

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ZWO M42 TO M42 EXTENDER 21mm
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Sale price $29.00AUD Regular price $35.00
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ZWO M42 TO M42
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Sale price $20.00AUD Regular price $25.00
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ZWO M42 to 1.25"
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ZWO FILTER DRAWER M42 V2

(5)

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Sale price $119.00AUD Regular price $135.00
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ZWO CANON EFW/M42 ADAPTER
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Sale price $75.00AUD Regular price $79.00
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ZWO FILTER DRAWER M54 V2

(4)

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ANTLIA IR-PASS 850 FILTER 1.25"
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Sale price $59.00AUD Regular price $79.00
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ANTLIA IR-PASS 685 FILTER 1.25"
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Sale price $59.00AUD Regular price $79.00
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ANTLIA U-VENUS FILTER 1.25"
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Sale price $329.00AUD Regular price $369.00
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OPTOLONG CLS FILTER

(1)

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OPTOLONG UHC FILTER
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OPTOLONG L-PRO FILTER

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OPTOLONG L-eNhance FILTER

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Regular price From $289.00AUD
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OPTOLONG L-eXtreme FILTER

(15)

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Regular price From $379.00AUD
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OPTOLONG UV/IR CUT FILTER

(3)

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Regular price From $69.00AUD
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OPTOLONG SII 6.5nm NARROWBAND FILTER
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OPTOLONG OIII 6.5nm NARROWBAND FILTER
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QHY268C - PHOTOGRAPHIC COOLED [COLOUR]

(2)

Sale price $2,599.00AUD Regular price $2,999.00
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ASKAR FRA400 F/5.6 APO REFRACTOR

(3)

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Sale price $1,999.00AUD Regular price $2,099.00
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(1)

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Regular price From $369.00AUD
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(1)

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Regular price From $64.00AUD
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OPTOLONG H-ALPHA 7nm NARROWBAND FILTER
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Regular price From $269.00AUD
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OPTOLONG 7nm NARROWBAND SHO FILTER SET
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Regular price From $699.00AUD
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ASKAR 0.7x FLATTENER AND REDUCER FOR FRA400 & FRA500
Backordered

Sale price $449.00AUD Regular price $499.00
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(2)

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Sale price $59.00AUD Regular price $65.00
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ASKAR FRA600 F/5.6 APO REFRACTOR
Backordered

Sale price $4,299.00AUD Regular price $4,599.00
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SHARPSTAR SCA260 V2 SUPER CASSEGRAIN ASTROGRAPH F/5
Backordered

Sale price $7,599.00AUD Regular price $8,699.00
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SHARPSTAR 1x MPCC 2" COMA CORRECTOR

(4)

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Sale price $499.00AUD Regular price $549.00
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ZWO T2 TILTER

Sale price $75.00AUD Regular price $85.00
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ZWO T2 - 1.25" ADAPTER
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ZWO M48 MALE - M48 FEMALE 16.5mm EXTENDER
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ZWO ASI294MM PRO [MONO]

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ZWO M54 TO M48 ADAPTER 2mm
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