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In stock (1146)
Out of stock (893)

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Optical thickness

0 mm (1)
0.5 mm (1)
1.5 mm (1)
3 mm (1)
5 mm (1)
10 mm (1)
15 mm (1)
20 mm (5)
30 mm (1)
32 mm (1)
Optical thickness 7.3 mm (1)
Optical thickness: 0 mm (19)
Optical thickness: 0.1 mm (1)
Optical thickness: 0.15 mm (1)
Optical thickness: 0.15 - 1 mm (1)
Optical thickness: 0.2 mm (1)
Optical thickness: 0.3 mm (2)
Optical thickness: 0.3 - 1.0 mm (4)
Optical thickness: 0.4 mm (1)
Optical thickness: 0.5 mm (4)
Optical thickness: 0.5 - 13.5 mm (1)
Optical thickness: 0.6 mm (1)
Optical thickness: 0.7 mm (1)
Optical thickness: 0.8 mm (3)
Optical thickness: 1 mm (15)
Optical thickness: 1.4 mm (1)
Optical thickness: 1.5 mm (4)
Optical thickness: 2 mm (20)
Optical thickness: 2.1 mm, 6.2 mm (1)
Optical thickness: 2.5 mm (5)
Optical thickness: 3 mm (13)
Optical thickness: 3.5 mm (3)
Optical thickness: 4 mm (11)
Optical thickness: 5 mm (26)
Optical thickness: 5.5 mm (3)
Optical thickness: 6 mm (4)
Optical thickness: 7 mm (10)
Optical thickness: 7.5 mm (2)
Optical thickness: 8 mm (9)
Optical thickness: 8.3 mm (8)
Optical thickness: 9 mm (9)
Optical thickness: 9.5 mm (2)
Optical thickness: 9.50 - 10.25 mm (3)
Optical thickness: 10 mm (14)
Optical thickness: 10.5 mm (1)
Optical thickness: 10.6 mm (1)
Optical thickness: 10.8 mm (1)
Optical thickness: 11 mm (8)
Optical thickness: 11.4 mm (1)
Optical thickness: 11.5 mm (3)
Optical thickness: 12 mm (3)
Optical thickness: 12 - 16 mm (1)
Optical thickness: 12 - 17.4 mm (1)
Optical thickness: 12.5 mm (6)
Optical thickness: 12.7 mm (2)
Optical thickness: 13 mm (4)
Optical thickness: 13 - 31 mm (1)
Optical thickness: 13.5 mm (1)
Optical thickness: 14 mm (4)
Optical thickness: 14 mm, 20 mm (1)
Optical thickness: 15 mm (7)
Optical thickness: 15 - 18 mm (4)
Optical thickness: 15 - 20 mm (2)
Optical thickness: 16.2 mm (1)
Optical thickness: 16.5 mm (2)
Optical thickness: 17 - 23 mm (1)
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Optical thickness: 18.8 mm (1)
Optical thickness: 19 mm (1)
Optical thickness: 20 mm (4)
Optical thickness: 20 - 29 mm (1)
Optical thickness: 20.5 - 30 mm (1)
Optical thickness: 21 mm (3)
Optical thickness: 22.5 mm (1)
Optical thickness: 23.5 mm (1)
Optical thickness: 25 mm (3)
Optical thickness: 26 mm (1)
Optical thickness: 26.5 mm (1)
Optical thickness: 28 mm (2)
Optical thickness: 29 mm (2)
Optical thickness: 29 - 35.5 mm (2)
Optical thickness: 29 - 46 mm (1)
Optical thickness: 30 mm (8)
Optical thickness: 31 mm (2)
Optical thickness: 31.3 mm (1)
Optical thickness: 32 - 38 mm (1)
Optical thickness: 34.5 mm (1)
Optical thickness: 35 mm (4)
Optical thickness: 36.5 mm (1)
Optical thickness: 37 mm (5)
Optical thickness: 38.5 mm (3)
Optical thickness: 39.5 mm (2)
Optical thickness: 40 mm (4)
Optical thickness: 47 mm (4)
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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Focal ratio

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Mount type

Alt-Azimuth (21)
Alt/Az (4)
Center-Balanced Equatorial Mount (1)
Computerized Altitude-Azimuth Dual Fork Arm (1)
Dobsonian (17)
Equatorial (29)
Equatorial / Alt-Az (1)
Equatorial / Alt-Azimuth (9)
Pantograph (1)

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Payload capacity

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Encoders

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)
4.4 µm (1)
4.5 µm (2)
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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Resolution

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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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BAADER 1.25" AMICI ERECTING PRISM 45°

(1)

In stock

Regular price $149.00AUD
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BAADER 1.25" CLICKLOCK M42 FEMALE

(1)

Very low stock (1 unit)

Regular price $149.00AUD
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BAADER 1.25" NOSEPIECE - M42
In stock

Regular price $55.00AUD
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BAADER 1.25" T2 PRISM DIAGONAL 32mm

(2)

In stock

Regular price $239.00AUD
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BAADER 1.25" T2 PRISM DIAGONAL 32mm #1C
In stock

Regular price $189.00AUD
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BAADER 1.25" TO M42 EYEPIECE HOLDER
In stock

Regular price $35.00AUD
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BAADER 2" AMICI ERECTING PRISM 45°
In stock

Regular price $419.00AUD
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BAADER 2" AMICI ERECTING PRISM 90°
Very low stock (1 unit)

Regular price $509.00AUD
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BAADER 2" CLICKLOCK BBHS ADJUSTABLE MIRROR DIAGONAL
In stock

Regular price $819.00AUD
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BAADER 2" CLICKLOCK BBHS ADJUSTABLE PRISM DIAGONAL
In stock

Regular price $919.00AUD
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BAADER 2" CLICKLOCK DIELECTRIC DIAGONAL

(2)

Very low stock (1 unit)

Regular price $519.00AUD
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BAADER 2" CLICKLOCK EXTENSION 37mm
In stock

Regular price $159.00AUD
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BAADER 2" CLICKLOCK EXTENSION 47mm
In stock

Regular price $159.00AUD
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BAADER 2" CLICKLOCK FOR 2" SC

(3)

In stock

Regular price $149.00AUD
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BAADER 2" CLICKLOCK FOR 2.7" FOR ASTRO-PHYSICS
Backordered

Regular price $159.00AUD
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BAADER 2" CLICKLOCK FOR 3.3" SC

(2)

In stock

Regular price $179.00AUD
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BAADER 2" CLICKLOCK FOR FEATHERTOUCH 2.5"
Very low stock (1 unit)

Regular price $229.00AUD
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BAADER 2" CLICKLOCK FOR FEATHERTOUCH 3"
Very low stock (1 unit)

Regular price $279.00AUD
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BAADER 2" CLICKLOCK FOR FEATHERTOUCH 3.5"
Very low stock (1 unit)

Regular price $319.00AUD
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BAADER 2" CLICKLOCK FOR SKYWATCHER FOCUSERS M54 x 1 MALE

(1)

In stock

Regular price $149.00AUD
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BAADER 2" CLICKLOCK FOR SKYWATCHER FOCUSERS M56 x 1 FEMALE

(2)

In stock

Regular price $149.00AUD
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BAADER 2" CLICKLOCK M42 FEMALE
Very low stock (1 unit)

Regular price $169.00AUD
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BAADER 2" CLICKLOCK M48 FEMALE

(1)

Very low stock (1 unit)

Regular price $159.00AUD
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BAADER 2" CLICKLOCK M54 x 0.75 FEMALE

(1)

In stock

Regular price $149.00AUD
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BAADER 2" CLICKLOCK M54 x 0.75 MALE
Very low stock (1 unit)

Regular price $169.00AUD
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BAADER 2" CLICKLOCK M56 x 0.75 FEMALE FOR TAKAHASHI

(1)

Very low stock (1 unit)

Regular price $149.00AUD
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BAADER 2" CLICKLOCK M60 x 0.75 MALE
Very low stock (1 unit)

Regular price $159.00AUD
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BAADER 2" CLICKLOCK M64 x 0.75 MALE FOR TAKAHASHI
Very low stock (1 unit)

Regular price $179.00AUD
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BAADER 2" CLICKLOCK M68 x 0.75 FEMALE
In stock

Regular price $169.00AUD
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BAADER 2" CLICKLOCK M68 x 1 MALE
In stock

Regular price $159.00AUD
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BAADER 2" CLICKLOCK M72 x 1 MALE FOR TAKAHASHI

(1)

In stock

Regular price $199.00AUD
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BAADER 2" CLICKLOCK M74 x 1 FEMALE FOR ESPRIT & GSO
In stock

Regular price $189.00AUD
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BAADER 2" CLICKLOCK S52
Very low stock (1 unit)

Regular price $139.00AUD
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BAADER 2" CLICKLOCK S57 FOR SKY-WATCHER
Very low stock (1 unit)

Regular price $159.00AUD
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BAADER 2" CLICKLOCK S58 FOR STEELTRACK FOCUSERS
In stock

Regular price $149.00AUD
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BAADER 2" DELUXE EYEPIECE CLAMP FOR SC TELESCOPES
Very low stock (1 unit)

Regular price $99.00AUD
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BAADER 2" HERSCHEL PRISM MARK II

(1)

In stock

Regular price From $999.00AUD
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BAADER 2" M68 FOUR-IN-ONE ADAPTER
Very low stock (1 unit)

Regular price $159.00AUD
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BAADER 2" NEXSTAR LOCKING RING
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Regular price $85.00AUD
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BAADER 2" NOSEPIECE - 2" SC MALE

Regular price $75.00AUD
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BAADER 2" NOSEPIECE - M42 & M48

Regular price $79.00AUD
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BAADER 2" NOSEPIECE TO M54 MALE
In stock

Regular price $65.00AUD
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BAADER 2" S52 NOSEPIECE FOR WIDE T-RINGS

(1)

In stock

Regular price $69.00AUD
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BAADER 2" SC FEMALE CONVERSION RING
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Regular price $55.00AUD
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BAADER ADAPTER 2" SC FEMALE - M42 MALE 1.5mm
In stock

Regular price $59.00AUD
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BAADER ADAPTER 2" SC FEMALE TO M42 MALE 9mm
In stock

Regular price $89.00AUD
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BAADER ADAPTER 2" SC MALE - M42 FEMALE
In stock

Regular price $49.00AUD
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BAADER ADAPTER 2" SC MALE - T2 (M42) MALE
Very low stock (1 unit)

Regular price $69.00AUD
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BAADER ADAPTER 2" TO 1.25"
In stock

Regular price $49.00AUD
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BAADER ADAPTER 2" to 1.25" WITH T2 THREAD
In stock

Regular price $79.00AUD

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