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Holiday Schedule: Our store will remain open with regular hours over Easter. However, please expect shipping delays, as carriers will be closed on Friday, April 3.
Holiday Schedule: Our store will remain open with regular hours over Easter. However, please expect shipping delays, as carriers will be closed on Friday, April 3.

Spare Parts

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$10.00 - $10.00
$10.00
$10.00 - $10.00
$10.00

Baader Rubber Eyeshield for Diam 31-32.5mm

BAA-2402010

With folding side wing For diamter 31mm - 32.5mm

$10.00 - $10.00
$10.00
$10.00 - $10.00
$10.00
$16.50 - $16.50
$16.50
$16.50 - $16.50
$16.50

Baader Rubber Eyeshield for Diam 33.5-34mm

BAA-2402020

With folding side wing For diamter 33.5mm - 34mm

$16.50 - $16.50
$16.50
$16.50 - $16.50
$16.50
$16.00 - $16.00
$16.00
$16.00 - $16.00
$16.00

Baader Rubber Eyeshield for Diam 40.5-41.5mm

BAA-2402030A

With side flap For diamter 40.5mm - 41.5mm

$16.00 - $16.00
$16.00
$16.00 - $16.00
$16.00
$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00

Baader Winged Eyeshield for Hyperion and Aspheric Eyepieces (covers M43 Thread)

BAA-2454653

Winged straylight-shield/ eyeglassprotector: Excellent stray light shield against side illumination, fast fold down of winged shield For Hyperion ...

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$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00
$20.50 - $20.50
$20.50
$20.50 - $20.50
$20.50

Baader Winged Eyeshield for Hyperion Zoom Mark III - Covers M43 Thread

BAA-2454654

Winged straylight-shield/ eyeglassprotector: Excellent stray light shield against side illumination, fast fold down of winged shield For Hyperion ...

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$20.50 - $20.50
$20.50
$20.50 - $20.50
$20.50
$175.00 - $175.00
$175.00
$175.00 - $175.00
$175.00

Celestron Motor Board for CPC Telescopes

CEL-NXW431

Celestron Motor Board for CPC Telescopes

$175.00 - $175.00
$175.00
$175.00 - $175.00
$175.00
$1.44 - $1.44
$1.44
$1.44 - $1.44
$1.44

David Astro Replacement O-Ring for Sky-Watcher 9x50 Finders

DAV-ORING-52-1.5
46 in stock

This replacement rubber O-ring fits the Sky-Watcher 9x50 finder scopes and holds the finder securely in its mounting bracket. Over time, the origi...

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$1.44 - $1.44
$1.44
$1.44 - $1.44
$1.44
$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00

Software Bisque Paramount ME Base Mounting Knob

SB10231

One (1) replacement mounting knob for the Paramount ME mount.Paramount ME Replacement Base Mounting Knob This product includes one (1) Paramount ME...

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$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00
$140.00 - $140.00
$140.00
$140.00 - $140.00
$140.00

Software Bisque Paramount ME Homing Sensor Cable - 24"

SB10191

Replacement cable.Replacement Paramount ME homing sensor cable assembly. This cable is compatible with both the MKS 4000 and MKS 5000 control syst...

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$140.00 - $140.00
$140.00
$140.00 - $140.00
$140.00
$117.00 - $117.00
$117.00
$117.00 - $117.00
$117.00

Software Bisque Paramount ME II Versa-Plate Brass Plunger

SB10284

Replacement brass plungerOne replacement brass plunger for the Paramount ME II Versa-Plate. The Paramount ME II Versa-Plate uses four brass plunge...

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$117.00 - $117.00
$117.00
$117.00 - $117.00
$117.00
$89.00 - $89.00
$89.00
$89.00 - $89.00
$89.00

Software Bisque Paramount ME II/ME Base Mounting Knob

SB10291

One (1) replacement Paramount ME II/ME base mounting knob.Paramount ME II/ME Replacement Base Mounting Knob This product includes one (1) Paramount...

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$89.00 - $89.00
$89.00
$89.00 - $89.00
$89.00
$83.00 - $83.00
$83.00
$83.00 - $83.00
$83.00

Software Bisque Paramount ME II/MX/MX+/MYT Homing Sensor Cable

SB10297

Replacement homing sensor.The Paramount Homing Sensor Cable Assembly replaces the existing homing sensor cable for the following models: Paramount ...

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$83.00 - $83.00
$83.00
$83.00 - $83.00
$83.00
$135.00 - $135.00
$135.00
$135.00 - $135.00
$135.00

Software Bisque Paramount ME Precision Bubble Level

SB10107

Replacement or secondary bubble level.The optional Paramount ME Precision Bubble Level allows you to quickly and accurately level the Paramount ME ...

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$135.00 - $135.00
$135.00
$135.00 - $135.00
$135.00
$94.00 - $94.00
$94.00
$94.00 - $94.00
$94.00

Software Bisque Paramount ME/MEII/MX/MX+/MYT Counterweight Knob

SB10198

Replacement knobThis knob fits all 20 lb, 30 lb and 40 lb counterweights. Additional information Additional information Weight 3 lbs Dimension...

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$94.00 - $94.00
$94.00
$94.00 - $94.00
$94.00
$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00

Software Bisque Paramount ME/MX/MYT Counterweight Shaft Safety Knob

SB10230

Replacement safety knob for the Paramount counterweight shaft (all models).This precision-machined aluminum knob is included with the Paramount ME,...

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$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00

Software Bisque Paramount MEII Counterweight Shaft Safety Knob

SB10292

Prevents counterweights from accidentally sliding off counterweight shaftsThis precision-machined aluminum knob is included with the Paramount ME I...

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$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00
$112.00 - $112.00
$112.00
$112.00 - $112.00
$112.00

Software Bisque Paramount MX/MX+ Versa-Plate Brass Plunger

SB10226

Replacement brass plungerOne replacement brass plunger for the Paramount MX/MX+ Versa-Plate. The Paramount MX/MX+ Versa-Plate uses three brass plu...

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$112.00 - $112.00
$112.00
$112.00 - $112.00
$112.00
$89.00 - $89.00
$89.00
$89.00 - $89.00
$89.00

Software Bisque Paramount MX/MYT Base Mounting Knob

SB10236

One (1) replacement Paramount MYT/MX base mounting knob.Paramount MX/MYT Replacement Base Mounting Knob The Paramount MX/MYT Replacement Base Mount...

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$89.00 - $89.00
$89.00
$89.00 - $89.00
$89.00
$83.00 - $83.00
$83.00
$83.00 - $83.00
$83.00

Software Bisque Paramount MYT Versa-Plate Brass Plunger

SB10299

Replacement brass plungerOne replacement brass plunger for the Paramount MYT Versa-Plate. The Paramount MYT Versa-Plate uses three brass plungers ...

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$83.00 - $83.00
$83.00
$83.00 - $83.00
$83.00
$71.00 - $71.00
$71.00
$71.00 - $71.00
$71.00

Software Bisque Pyramid Portable Pier Clamp Knob

SB10411

Software Bisque Pyramid Portable Pier Clamp Knob

$71.00 - $71.00
$71.00
$71.00 - $71.00
$71.00
$18.23 - $18.23
$18.23
$18.23 - $18.23
$18.23

ZWO Replacement Antenna for ASIAIR Plus

ZWO-ASIAIR-ANTENNA
1 in stock

$18.23 - $18.23
$18.23
$18.23 - $18.23
$18.23