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0 mm (1)
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3 mm (1)
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10 mm (1)
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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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Pantograph (1)

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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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GEOPTIK PADDED BAG FOR 14" SCT & 10" RC
In stock

Regular price $279.00AUD
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GEOPTIK PADDED BAG FOR 8" SCT
Very low stock (1 unit)

Regular price $229.00AUD
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GEOPTIK PADDED BAG FOR 9.25" - 11" SCT

Regular price $269.00AUD
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GEOPTIK PADDED BAG FOR COUNTERWEIGHT

(1)

In stock

Regular price $79.00AUD
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GEOPTIK PADDED BAG FOR LARGE MOUNTS
Very low stock (1 unit)

Regular price $189.00AUD
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GEOPTIK POLEMASTER ADAPTER FOR DOVETAIL BARS

(1)

Very low stock (1 unit)

Regular price $89.00AUD
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GEOPTIK SADDLE FOR VIXEN BARS
Orange Black
Very low stock (1 unit)

Regular price $79.00AUD
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GEOPTIK SADDLE FOR VIXEN BARS v2.0

(2)

Orange Black
In stock

Regular price $109.00AUD
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GEOPTIK SADDLE UPGRADE FOR AZ-EQ6 & NEQ6

(2)

Orange Black
In stock

Regular price $359.00AUD
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GEOPTIK SADDLE UPGRADE FOR EQ6 & EQ6-R

(1)

Orange Black
In stock

Regular price $359.00AUD
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GEOPTIK SADDLE UPGRADE FOR HEQ5
In stock

Regular price $359.00AUD
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GEOPTIK SHROUD FOR NADIRUS DOBSONIAN
In stock

Regular price From $89.00AUD
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GEOPTIK SHROUD FOR RITCHEY-CHRETIEN OTA
In stock

Regular price From $79.00AUD
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GEOPTIK SMALL SADDLE FOR LOSMANDY DOVETAILS
Orange Black
In stock

Regular price $69.00AUD
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GEOPTIK SOFT DUST CAP
In stock

Regular price From $29.00AUD
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GEOPTIK SPECIAL OIL FOR MECHANICAL PARTS
Very low stock (1 unit)

Regular price $25.00AUD
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GEOPTIK STRAP FOR ELEPHANT CASES

Regular price $24.00AUD
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GEOPTIK TRIANGLE FOR TRIPODS
In stock

Regular price $349.00AUD
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GEOPTIK TRIPOD ADAPTER FOR ZWO AM5N

Regular price $199.00AUD
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GEOPTIK TROLLEY & WHEELS FOR ELEPHANT 520
In stock

Regular price $99.00AUD
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GEOPTIK TROLLEY & WHEELS FOR ELEPHANT 620
Very low stock (1 unit)

Regular price $129.00AUD
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GEOPTIK TROLLEY KIT FOR NADIRUS DOBSONIAN
In stock

Regular price $349.00AUD
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GEOPTIK VIXEN PIGGYBACK SADDLE FOR 8" - 11" SC
Orange Black
In stock

Regular price $149.00AUD
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GEOPTIK VIXEN STYLE DOVETAIL BAR FOR CELESTRON C8
Orange Black
Very low stock (1 unit)

Regular price $169.00AUD
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Gift Card

Regular price From $100.00AUD
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GIOTTO 120 & ALTO-1 MOTORIZED COVER
In stock

Regular price $1,309.00AUD
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GIOTTO 120 SMART FLAT FIELD GENERATOR
In stock

Regular price $469.00AUD
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GIOTTO 150 & ALTO-1 MOTORIZED COVER
In stock

Regular price $1,379.00AUD
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GIOTTO 150 SMART FLAT FIELD GENERATOR

(1)

In stock

Regular price $539.00AUD
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GIOTTO 185 & ALTO-1 MOTORIZED COVER
In stock

Regular price $1,469.00AUD
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GIOTTO 185 SMART FLAT FIELD GENERATOR
In stock

Regular price $619.00AUD
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GIOTTO 220 & ALTO-1 MOTORIZED COVER

Regular price $1,579.00AUD
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GIOTTO 220 SMART FLAT FIELD GENERATOR

Regular price $739.00AUD
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GIOTTO 255 & ALTO-2 MOTORIZED COVER
Very low stock (1 unit)

Regular price $1,859.00AUD
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GIOTTO 255 SMART FLAT FIELD GENERATOR
Very low stock (1 unit)

Regular price $839.00AUD
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GIOTTO 285 & ALTO-2 MOTORIZED COVER
In stock

Regular price $2,199.00AUD
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GIOTTO 285 SMART FLAT FIELD GENERATOR
In stock

Regular price $1,179.00AUD
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GIOTTO 320 & ALTO-2 MOTORIZED COVER
Very low stock (1 unit)

Regular price $2,369.00AUD
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GIOTTO 320 SMART FLAT FIELD GENERATOR
Very low stock (1 unit)

Regular price $1,349.00AUD
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GIOTTO 430 & ALTO-3 MOTORIZED COVER
Very low stock (1 unit)

Regular price $3,389.00AUD
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GIOTTO 430 SMART FLAT FIELD GENERATOR
Very low stock (1 unit)

Regular price $1,869.00AUD
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GIOTTO 560 & ALTO-3L MOTORIZED COVER
Backordered

Regular price $4,509.00AUD
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GIOTTO 560 SMART FLAT FIELD GENERATOR
Backordered

Regular price $2,799.00AUD
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GIOTTO FOR ORIGIN SMART FLAT FIELD GENERATOR
In stock

Regular price $549.00AUD
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GRAN TURISMO 81 WIFD F/5.9 APO TRIPLET
Gold Red Space Grey
Backordered

Regular price $3,299.00AUD
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GREENLINE BIG-32 ROLL-OFF OBSERVATORY 2.75m

Regular price From $15,000.00AUD
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GREENLINE MEDIUM-32 ROLL-OFF OBSERVATORY 2.25m

Regular price From $11,499.00AUD
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GREENLINE MEGA-44 ROLL-OFF OBSERVATORY 3.5m

Regular price From $28,000.00AUD
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GREENLINE MINI-32 ROLL-OFF OBSERVATORY 1.60m
Very low stock (1 unit)

Regular price From $8,999.00AUD
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GREENLINE RC-33 CLAMSHELL OBSERVATORY

Regular price From $33,000.00AUD

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