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10Micron (1)
Baader Planetarium (26)
Celestron (7)
Daystar (1)
iOptron (2)
Optolong (14)
Prima Luce Lab (1)
QHYCCD (11)
Sharpstar (1)
Sky-Watcher (4)
ToupTek (19)
Touptek (2)
William Optics (33)
ZWO (25)

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In stock (138)
Out of stock (34)

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Threads

2"-24 UNC (3)
1.25" barrel (20)
2" barrel (19)
2" SC (1)
M28.5 x 0.6 (3)
M42 x 0.75 Male (1)
M43 (16)
M48 x 0.75 (1)
M48 x 0.75 Female (8)
M48 x 0.75 Male (7)
M54 x 0.75 Female (2)
M54 x 0.75 Male (5)
M54 • M48 (1)
M63 x 1 (1)
M63 x 1 Female (2)
M63 x 1 Male (1)
M68 x 1 Male (1)
M83 x 1 Male (1)
M92 x 1 (2)
M92 x 1 Female (2)
M92 x 1 Male (1)
SP54 (11)

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Optical thickness

Optical thickness: 8.3 mm (1)
Optical thickness: 10.6 mm (1)
Optical thickness: 10.8 mm (1)
Optical thickness: 29 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 (1)
48 mm (1)
50 mm (1)
51 mm (1)
61 mm (1)
62 mm (1)
68 mm (1)
71 mm (1)
80 mm (3)
81 mm (2)
91 mm (1)
111 mm (1)
130 mm (1)
132 mm (1)
140 mm (1)
156 mm (1)
181 mm (1)
203.2 mm (1)
235 mm (1)
279.4 mm (1)

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Optical design

Aplanatic Schmidt-Cassegrain (1)
Apochromatic doublet (3)
Apochromatic Petzval quadruplet (4)
Apochromatic Petzval quintuplet (1)
Apochromatic Petzval sextuplet (1)
Apochromatic septuplet (3)
Apochromatic triplet (4)
Aspheric (2)
Barlow (1)
Doublet (2)
ED doublet (1)
Modular (10)
Orthoscopic (3)
Plössl (1)
Plössl, Orthoscopic, Barlow (1)
Schmidt-Cassegrain (2)
Wide angle (4)

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Focal length

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Focal ratio

f/3.5 (1)
f/3.75 (1)
f/3.8 (1)
f/4 (1)
f/4.8 (1)
f/4.9 (3)
f/5.5 (1)
f/5.9 (1)
f/6.5 (2)
f/6.9 (2)
f/7.5 (3)
f/7.7 (1)
f/7.8 (1)
f/10 (3)

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Mount type

Computerized Altitude-Azimuth Dual Fork Arm (1)
Equatorial (3)

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Payload capacity

80 kg (1)
Payload: 18 kg (1)
Payload: 25 kg (1)
Payload: 34 kg (1)
≤2.5 Nm (5kg) (1)

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Encoders

Encoders: None (3)

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Counterweight shaft

19 mm (2)
32 mm (1)

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Bit depth

12-bit (17)
14-bit (6)
16-bit (10)

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Pixel size

1.45 µm (1)
2.0 µm (1)
2.9 µm (8)
3.75 µm (1)
3.76 µm (13)
4.0 µm (2)
4 µm (1)
4.63 µm (2)
5 µm (1)
5.86 µm (1)
5.94 µm (1)
9 µm (1)

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Resolution

1280 x 960 (1)
1280 x 1024 (1)
1608 x 1104 (1)
1920 x 1080 (7)
1936 x 1216 (1)
2704 x 1536 (1)
3008 x 3008 (3)
3840 x 2160 (5)
4128 x 2808 (2)
6064 x 4040 (1)
6224 x 4168 (2)
6248 x 4176 (1)
6280 x 4210 (2)
9568 x 6380 (2)
9576 x 6388 (2)
11656 x 8750 (1)

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Quantum efficiency

75% (1)
77% (1)
79% (1)
80% (9)
81% (2)
83% (1)
87% (2)
89% (1)
91% (11)
92% (3)
>80% @ 1200 nm (1)

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Sensor diagonal

6.14 mm (1)
6.39 mm (3)
6.45 mm (2)
8.2 mm (1)
8.47 mm (1)
8.81 mm (3)
9.02 mm (1)
12.84 mm (3)
13.2 mm (1)
16 mm (3)
17.6 mm (1)
23.1 mm (2)
28.3 mm (3)
28.43 mm (2)
43.27 mm (2)
43.3 mm (3)
55 mm (1)

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FPS

2.5 FPS (2)
3.51 FPS (1)
3.77 FPS (1)
6 FPS (2)
6.2 FPS (2)
13.3 FPS (2)
14 FPS (1)
15.2 FPS (1)
17.8 FPS (1)
18 FPS (1)
20 FPS (3)
30 FPS (1)
31.9 FPS (1)
33 FPS (2)
46.9 FPS (1)
47 FPS (4)
95 FPS (1)
107.6 FPS (1)
120 FPS (1)
150 FPS (2)
152 FPS (1)
164 FPS (1)

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Filter size

1.25" (19)
2" (14)
31 mm (5)
36 mm (5)
47.4 mm (3)
50 mm x 50 mm square (4)
65 mm x 65 mm square (4)
50 mm round (5)
EOS C (4)
EOS Full Frame (3)
EOS R (1)
Nikon Full Frame (2)
Sony Full Frame (1)

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Bandpass (FWHM)

3 nm (1)
3.5 nm (1)
4 nm (2)
6.5 nm (3)
7 nm (2)
11 nm (1)
25 nm (1)
3.5 - 4 nm / 6.5 nm (1)

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Apparent FOV

48 - 68° (1)
50° (5)
68° (9)
72° (2)
76° (4)

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Barrel size

1.25" (20)
2" (16)

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Colour or Monochrome

Colour (14)
Monochrome (19)

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Cooled

Cooled (18)
Non-cooled (15)
TEC cooled (ΔT of 35°C) (1)

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