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0 mm (1)
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3 mm (1)
5 mm (1)
10 mm (1)
15 mm (1)
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Optical thickness: 0.5 - 13.5 mm (1)
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Optical thickness: 1 mm (15)
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Optical thickness: 2.1 mm, 6.2 mm (1)
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Optical thickness: 4 mm (11)
Optical thickness: 5 mm (26)
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Optical thickness: 12 mm (3)
Optical thickness: 12 - 16 mm (1)
Optical thickness: 12 - 17.4 mm (1)
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Optical thickness: 12.7 mm (2)
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Optical thickness: 50 mm (2)
Optical thickness: 109 mm (1.25" barrel) (1)
Optical thickness: 112 mm (1)
Optical thickness: 121 mm (2" barrel) (1)
Optical thickness: 131 mm (1.25" barrel) (1)
Optical thickness: -65.5 mm (1)

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Dobsonian (17)
Equatorial (29)
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Pantograph (1)

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Encoders: Absolute on both axes (13)
Encoders: Incremental on RA axis (1)
Encoders: None (39)
High-resolution absolute encoders (10)

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Counterweight shaft

16 mm (4)
18 mm (6)
19 mm (2)
20 mm (12)
25 mm (11)
28 mm (7)
30 mm (7)
31.5 mm (6)
32 mm (8)
38.1 mm (2)
40 mm (4)
50 mm (3)
60 mm (3)

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Bit depth

10-bit / 12-bit (2)
12-bit (40)
12-bit / 16-bit (1)
12-bit / 8-bit depending on model (28)
12-bit per ADC; 16-bit HDR (1)
14-bit (19)
16-bit (50)
16-bit (12/16-bit ADC selectable) (1)
8, 10, 12, and 16 bits selectable (1)
8-bit / 12-bit switchable (1)

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Pixel size

1.45 µm (2)
2.0 µm (6)
2.4 µm (1)
2.74 µm (1)
2.81 µm (1)
2.9 µm (13)
3.45 µm (31)
3.75 µm (2)
3.76 µm (57)
4.0 µm (2)
4 µm (1)
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4.63 µm (3)
5 µm (4)
5.86 µm (2)
5.94 µm (1)
6.5 µm (1)
9 µm (2)
9.76 µm (1)
3.76 μm (2)
2.3 / 4.63 µm (3)
3.45 μm × 3.45 μm (1)
5.86 µm × 5.86 µm (2)
6.5 µm × 6.5 µm (1)
9 μm × 9 μm (1)
9µm × 9µm (1)

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Quantum efficiency

75% (2)
77% (2)
79% (1)
80% (23)
81% (6)
83% (6)
84% (1)
87% (1)
89% (1)
90% (6)
91% (18)
92% (3)
89% @ 610 nm (1)
>77% @ 1200 nm (3)
>80% @ 1200 nm (3)
FSI: ~62% / BSI: ~95% (1)
FSI: ~74% / BSI: ~95% (1)
MONO: >70% / UV: optimized for 200–400 nm / EUV: up to 170 nm (1)
~60% (1)
~61% (14)
~62% (1)
~64% (2)
~65% (5)
~66% (9)
~77% (1)
~80% (12)
~84% (1)
~90% (5)
~91% (12)
~95% (1)

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Sensor diagonal

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FPS

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Filter size

1.25" (70)
2" (74)
31 mm (31)
36 mm (37)
46 mm (2)
47.4 mm (4)
50 mm x 50 mm square (25)
65 mm x 65 mm square (14)
50 mm round (33)
EOS C (3)
EOS Full Frame (3)
EOS R (1)
Nikon Full Frame (2)
Sony Full Frame (1)

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Bandpass (FWHM)

0.2 - 0.8 Å depending on configuration (1)
2.5 nm (4)
3 nm (15)
3.5 nm (4)
4 nm (6)
4.5 nm (4)
5 nm (2)
5.5 nm (1)
6.5 nm (3)
7 nm (6)
7.5 nm (1)
9 nm (1)
11 nm (1)
20 nm (3)
25 nm (1)
60 nm (1)
3.5 - 4 nm / 6.5 nm (3)
~0.5Å (3)

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Apparent FOV

40 - 60° (1)
44° (1)
48° (7)
48 - 68° (1)
50° (8)
52° (3)
56° (3)
58° (3)
60° (10)
65° (3)
68° (9)
70° (2)
72° (2)
76° (6)
82° (11)
100° (2)
110° (4)

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Barrel size

1.25" (79)
2" (47)

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Colour or Monochrome

Colour (62)
Monochromatic (2)
Monochrome (80)
Monochrome (Polarized, 4-direction filter) (2)

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Cooled

Active cooling (36)
Cooled (62)
Fan-cooled (8)
No (8)
Non-cooled (28)
None (QHY174 GPS models are not cooled) (2)
Passive cooling (aluminium housing, no TEC) (1)
TEC cooled (ΔT of 35°C) (1)

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WANDERERBOX DOVETAIL BRACKET

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WANDERERBOX ULTIMATE TEMPERATURE PROBE
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WARPASTRON WARPDRIVE WD-17 HARMONIC MOUNT
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WIDE T-RING FOR CANON EOS R

(1)

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WILLIAM OPTICS 1.25" 90° ERECTING PRISM

(1)

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WILLIAM OPTICS CAT EYES BINOCULARS
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WILLIAM OPTICS COPPER M48 T-RING FOR CANON
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WILLIAM OPTICS COPPER M48 T-RING FOR NIKON
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WILLIAM OPTICS DR FLAT MASTER 0.8x REDUCER FOR GSO RC
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WILLIAM OPTICS DSD VIXEN DOVETAIL 210mm

(4)

Red Black
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WILLIAM OPTICS DSD VIXEN DOVETAIL 245mm

(1)

Red Black
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Sale price $79.00AUD Regular price $89.00
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WILLIAM OPTICS FLATTENER ADAPTER FOR FLT91, FLT120
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Regular price $79.00AUD
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WILLIAM OPTICS GUIDESTAR 61 F/5.9 APO

(1)

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Regular price $799.00AUD
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WILLIAM OPTICS GUIDESTAR 61 IMAGING KIT
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WILLIAM OPTICS LOSMANDY DOVETAIL 400mm
Gold Red Space Grey
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WILLIAM OPTICS M48 T-RING FOR CANON EOS

(1)

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WILLIAM OPTICS M48 T-RING FOR CANON EOS-R

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WILLIAM OPTICS M48 T-RING FOR FUJI X-MOUNT
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Sale price $89.00AUD Regular price $99.00
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WILLIAM OPTICS M48 T-RING FOR OLYMPUS MICRO 4/3
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WILLIAM OPTICS M48 T-RING FOR PENTAX K

Regular price $59.00AUD
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WILLIAM OPTICS MINICAT 51 WIFD f/3.5 REFRACTOR
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