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Optolong Optolong UBVRI Filter Set - 2" Mounted - UBVRI-200
This photometric UBVRI filter set includes five 2" round mounted filters: ultraviolet (U), blue (B), visual (V), red (R), and infrared (I).
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Optolong UBVRI Filter Set - 2" Mounted - UBVRI-200
$829.00
Optolong Optolong UBVRI Filter Set - 1.25" Mounted - UBVRI-125
This photometric UBVRI filter set includes five 1.25" mounted filters: ultraviolet (U), blue (B), visual (V), red (R), and infrared (I).
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Optolong UBVRI Filter Set - 1.25" Mounted - UBVRI-125
$685.00
Optolong Optolong Clear Sky Filter - 82mm Round Mounted - CS-82
Introducing the Clear Sky Filter: Optolong's brand-new light pollution filter.
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Optolong Clear Sky Filter - 82mm Round Mounted - CS-82
$205.00
Optolong Optolong Clear Sky Filter - 77mm Round Mounted - CS-77
The Clear Sky Filter is Optolong's newest light pollution filter.
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Optolong Clear Sky Filter - 77mm Round Mounted - CS-77
$165.00
Optolong Optolong Moon & SkyGlow Filter - 1.25" Mounted - MSG-125
The Optolong Moon & Skyglow Filter is perfect for both visual and photographic applications.
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Optolong Moon & SkyGlow Filter - 1.25" Mounted - MSG-125
$32.00
Feathertouch Starlight Instruments Electronic Focusing System for William Optics Red/Space Cat 51mm Telescope
Starlight Instruments is proud to announce the release of the SI-RCEF which allows you to electronically control the helical focuser of the William Optics Red/Space Cat 51mm Telescope
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Starlight Instruments Electronic Focusing System for William Optics Red/Space Cat 51mm Telescope
$265.00
ZWO ZWO ASI294MM Mono Cooled (4.63 microns) Pro - ASI294MM-P
f you are seeking for a small-format mono camera for astrophotography, then ASI294MM Pro is going to be your ideal choice!
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ZWO ASI294MM Mono Cooled (4.63 microns) Pro - ASI294MM-P
$1,280.00
Baader Planetarium Baader Polaris I – Measuring- and Guiding-Eyepiece, 25mm, T-2, illuminated
Polaris I, 25mm measuring & guiding illuminated eyepiece, batteries included
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Baader Polaris I – Measuring- and Guiding-Eyepiece, 25mm, T-2, illuminated
$129.00
Baader Planetarium Baader Rubber/Metal foldable Morpheus® eyecup (M43-threaded)
Rubber eyecup with M43 metal thread
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Baader Rubber/Metal foldable Morpheus® eyecup (M43-threaded)
$20.00
Microscope Eyepiece 30mm diameter WF10x/22
Microscope Eyepiece 30mm diameter WF10x/22
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Microscope Eyepiece 30mm diameter WF10x/22
$35.00
Avalon Avalon Hand Controller for M-Zero/M-Uno/Linear Mounts
Avalon Avalon Hand Controller for M-Zero/M-Uno/Linear Mounts
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Avalon Hand Controller for M-Zero/M-Uno/Linear Mounts
$189.95
Avalon Avalon Knob- M12x3/8" Anti Fall Knob - EXTKM38
Avalon Avalon Knob- M12x3/8" Anti Fall Knob - EXTKM38
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Avalon Knob- M12x3/8" Anti Fall Knob - EXTKM38
$19.95
Avalon Avalon Knob- M12x55 Anti Fall Knob - EXTKM12
Avalon Avalon Knob- M12x55 Anti Fall Knob - EXTKM12
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Avalon Knob- M12x55 Anti Fall Knob - EXTKM12
$19.95
Baader Planetarium Baader Vario 10X60 Finderscope & MQR-IV Quick Release Finder Bracket
Baader Planetarium Baader Vario 10X60 Finderscope & MQR-IV Quick Release Finder Bracket
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Baader Vario 10X60 Finderscope & MQR-IV Quick Release Finder Bracket
$427.00
Baader Planetarium Baader Log-Pot Illuminator for Microguide Eyepiece and Illuminated Finders
For Micro Guide eyepiece and finderscopes threaded M8 x 0.75mm
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Baader Log-Pot Illuminator for Microguide Eyepiece and Illuminated Finders
$59.00
Baader Planetarium Baader winged rubber-eyecup 42/43 (Hyperion 68°)
Baader Planetarium Baader winged rubber-eyecup 42/43 (Hyperion 68°)
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Baader winged rubber-eyecup 42/43 (Hyperion 68°)
$17.00
Baader Planetarium Baader Hyperion 2" Finetuning Stopring with brass clamping ring & 2 thumb screws
With brass clamping ring and two clamping screws
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Baader Hyperion 2" Finetuning Stopring with brass clamping ring & 2 thumb screws
$29.00
Baader Planetarium Baader Hyperion Finetuning-Ring M48, 28 mm
The finetuning rings are 2" OD and threaded M48 (filter thread) on each end, so they can be installed in-between the Hyperion's removable front negative element and main body.
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Baader Hyperion Finetuning-Ring M48, 28 mm
$23.00
Baader Planetarium Baader Hyperion Finetuning Ring 14mm
The finetuning rings are 2" OD and threaded M48 (filter thread) on each end, so they can be installed in-between the Hyperion's removable front negative element and main body.
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Baader Hyperion Finetuning Ring 14mm
$19.00
Baader Planetarium Baader Winged Rubber Eyecup (40.5-41.5mm Diameter barrel)
For diamter 40.5mm - 41.5mm
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Baader Winged Rubber Eyecup (40.5-41.5mm Diameter barrel)
$16.00
Baader Planetarium Baader Winged Rubber Eyecup (33.5-34mm Diameter barrel)
For diamter 33.5mm - 34mm
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Baader Winged Rubber Eyecup (33.5-34mm Diameter barrel)
$14.00
Baader Planetarium Baader Q-Turret Eyepiece Set (Eyepiece Revolver, 4x Classic Ortho, 1x Q-Barlow 2.25x)
Packaged together in a fitted foam lined decorative Astro-Box, the 4 Classic Eyepieces, Q-Barlow, and Q-Turret form a complete set of high quality eyepieces that deliver an extensive range of instantly accessible focal lengths for the astronomical enthusi
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Baader Q-Turret Eyepiece Set (Eyepiece Revolver, 4x Classic Ortho, 1x Q-Barlow 2.25x)
$299.00
Baader Planetarium Baader Classic Plössl 32mm, 1¼" Eyepiece (HT-mc) - w.aux spacer tube and winged rubber eyecup
Foregoing fancy (and costly) cosmetics, the new Classic Eyepieces deliver where it counts - performance.
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Baader Classic Plössl 32mm, 1¼" Eyepiece (HT-mc) - w.aux spacer tube and winged rubber eyecup
$78.00
ZWO ZWO Electronic Automatic Focuser - Temperature Sensor
Temperature Sensor for the ZWO Electronic Automatic Focuser.
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ZWO Electronic Automatic Focuser - Temperature Sensor
$9.90