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BLACK FRIDAY 2025

(212 products)

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Baader Planetarium (26)
Celestron (3)
Optolong (20)
Prima Luce Lab (3)
QHYCCD (18)
Sky-Watcher (3)
ToupTek (24)
Touptek (3)
William Optics (40)
ZWO (71)

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Availability

In stock (132)
Out of stock (99)

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Threads

1.25" barrel (22)
2" barrel (22)
2" SC (1)
M28.5 x 0.6 (3)
M42 x 0.75 (1)
M42 x 0.75 Male (3)
M43 (18)
M48 x 0.75 (1)
M48 x 0.75 Female (11)
M48 x 0.75 Male (8)
M54 x 0.75 Female (5)
M54 x 0.75 Male (6)
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 (2)
Optical thickness: 10.6 mm (1)
Optical thickness: 10.8 mm (1)
Optical thickness: 21 mm (1)
Optical thickness: 26.5 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

30 mm (1)
32 mm (1)
48 mm (1)
50 mm (1)
51 mm (2)
61 mm (2)
65 mm (1)
68 mm (1)
71 mm (1)
80 mm (4)
81 mm (2)
91 mm (1)
107 mm (1)
108mm (1)
111 mm (1)
130 mm (1)
132 mm (1)
156 mm (1)
181 mm (1)

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Optical design

Achromatic Doublet (1)
Apochromatic doublet (5)
Apochromatic Petzval (1)
Apochromatic Petzval quadruplet (6)
Apochromatic Petzval quintuplet (2)
Apochromatic Petzval sextuplet (1)
Apochromatic septuplet (3)
Apochromatic triplet (3)
Aspheric (2)
Barlow (1)
Doublet (2)
Modular (10)
Orthoscopic (3)
Plössl (1)
Plössl, Orthoscopic, Barlow (1)
Wide angle (6)

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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 (2)
f/4.9 (4)
f/5 (1)
f/5.5 (1)
f/5.9 (2)
f/6.4 (1)
f/6.9 (2)
f/7 (1)
f/7.5 (4)
f/7.7 (1)
f/7.8 (1)

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Mount type

Equatorial (5)

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Payload capacity

13 kg with counterweight (1)
20 kg with counterweight (1)
8 kg without counterweight (1)
15 kg without counterweight (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 (5)

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Counterweight shaft

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

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Bit depth

12-bit (30)
14-bit (14)
16-bit (23)

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Pixel size

1.45 µm (2)
2.0 µm (5)
2.4 µm (1)
2.9 µm (13)
3.75 µm (2)
3.76 µm (30)
4.0 µm (2)
4 µm (1)
4.63 µm (3)
5 µm (1)
5.86 µm (2)
5.94 µm (1)
9 µm (1)
2.3 / 4.63 µm (3)

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Resolution

1280 x 960 (2)
1280 x 1024 (1)
1608 x 1104 (1)
1920 x 1080 (10)
1936 x 1216 (2)
2704 x 1536 (1)
3008 x 3008 (5)
3080 x 3280 (2)
3552 x 3552 (1)
3840 x 2160 (10)
3864 x 2192 (1)
4128 x 2808 (2)
4144 x 2822 (4)
5496 x 3672 (1)
6072 x 4042 (1)
6224 x 4168 (3)
6248 x 4176 (8)
6280 x 4210 (4)
8288 x 5644 (3)
9568 x 6380 (2)
9576 x 6388 (5)
11656 x 8750 (1)

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Quantum efficiency

75% (2)
77% (2)
79% (1)
80% (21)
81% (6)
83% (5)
84% (1)
87% (2)
89% (2)
90% (4)
91% (17)
92% (3)
>80% @ 1200 nm (1)

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Sensor diagonal

6 mm (1)
6.14 mm (1)
6.39 mm (5)
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 (1)
16 mm (6)
17.6 mm (1)
23.1 mm (5)
23.2 mm (1)
28.3 mm (11)
28.43 mm (4)
43.2 mm (3)
43.27 mm (2)
43.3 mm (3)
55 mm (1)

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FPS

2 FPS (3)
2.5 FPS (2)
3.51 FPS (8)
3.77 FPS (1)
6 FPS (4)
6.2 FPS (2)
8 FPS (1)
13.3 FPS (3)
14 FPS (1)
16.3 FPS (3)
17.8 FPS (1)
18 FPS (4)
19 FPS (2)
20 FPS (4)
30 FPS (1)
31.2 FPS (1)
31.9 FPS (1)
33 FPS (2)
35 FPS (2)
40 FPS (1)
45.1 FPS (1)
46.9 FPS (2)
47 FPS (6)
47.5 FPS (2)
95 FPS (1)
107.6 FPS (2)
120 FPS (1)
150 FPS (2)
152 FPS (2)
164 FPS (1)

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Filter size

1.25" (20)
2" (16)
31 mm (2)
36 mm (3)
50 mm round (2)
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 (3)
6.5 nm (3)
7 nm (5)
11 nm (1)
25 nm (1)

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Apparent FOV

48 - 68° (1)
50° (5)
68° (9)
72° (2)
76° (6)

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Barrel size

1.25" (22)
2" (18)

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Colour or Monochrome

Colour (31)
Monochrome (36)

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Cooled

Cooled (40)
Non-cooled (27)
TEC cooled (ΔT of 35°C) (1)

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