Skip to content
Trusted advice since 1979 Excellent 4.5 rating on Google Reviews Free Shipping On Orders Over $100

Search results for “spectrum optical”

Filters

$
$
  • iOptron MiniPier 8-Inch Extension for HAE69, HAE43, HAZ71 and CEM70 Mounts – Part #8043
    $169.00 - $169.00
    $169.00
    $169.00 - $169.00
    $169.00

    iOptron MiniPier for HAE69 and HAZ71

    iOptron
    In Stock

    iOptron MiniPier for HAE69, HAE43, and HAZ71 Mounts (#8043) Extra clearance for your mount—where and when you need it. Need more elbow room between...

    View full details
    $169.00 - $169.00
    $169.00
    $169.00 - $169.00
    $169.00
  • $289.00 - $289.00
    $289.00
    $289.00 - $289.00
    $289.00

    Celestron Light Pollution Imaging Filter, RASA 8 93614

    Celestron
    In Stock

    Enhance your 8” Rowe-Ackermann Schmidt Astrograph (RASA) by blocking light pollution, improving image contrast, and darkening the sky background. T...

    View full details
    $289.00 - $289.00
    $289.00
    $289.00 - $289.00
    $289.00
  • $215.00 - $215.00
    $215.00
    $215.00 - $215.00
    $215.00

    Sky-Watcher Emerald 9mm 82° Eyepiece

    Sky-Watcher
    More on the way

    The 9mm focal length sits near the center of where most observers spend their time. It's high enough to reveal meaningful lunar and planetary detai...

    View full details
    $215.00 - $215.00
    $215.00
    $215.00 - $215.00
    $215.00
  • Celestron NeXYZ DX smartphone adapter attached to telescope
    $71.95 - $71.95
    $71.95
    $71.95 - $71.95
    $71.95

    Celestron NeXYZ DX 3-Axis Smartphone Adapter w/ Bluetooth 81057

    Celestron
    In Stock

    Celestron NeXYZ DX 3-Axis Smartphone Adapter with Bluetooth Remote (#81057) Precision alignment meets shake-free smartphone imaging—anywhere, on an...

    View full details
    $71.95 - $71.95
    $71.95
    $71.95 - $71.95
    $71.95
  • $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95

    Astro-Tech 21mm UWA 82° 2" Eyepiece

    Astro-Tech
    In Stock

    You spend half the night swapping eyepieces. A 28mm wide-field for the big nebulae, a 16mm for the tight clusters, and something in between that yo...

    View full details
    $239.95 - $239.95
    $239.95
    $239.95 - $239.95
    $239.95
  • $115.00 - $115.00
    $115.00
    $115.00 - $115.00
    $115.00

    TeleVue 8mm Plössl Eyepiece

    TeleVue
    In Stock

    This is a very good medium high to high power eyepiece (the power depends on the focal length of your scope) for observing lunar and planetary deta...

    View full details
    $115.00 - $115.00
    $115.00
    $115.00 - $115.00
    $115.00
  • 365 Series Cover for 4" and 5" f/7 and faster focal ratio refractors
    $189.00 - $189.00
    $189.00
    $189.00 - $189.00
    $189.00

    Telegizmos 365 Series Cover for 4" and 5" f/7 and faster focal ratio refractors

    TeleGizmos
    More on the way

    TeleGizmos 365 Series Telescope Cover for 4" and 5" f/7 and Faster Refractors Your 4" or 5" refractor may be compact and sleek, but if it's riding ...

    View full details
    $189.00 - $189.00
    $189.00
    $189.00 - $189.00
    $189.00
  • $147.00 - $147.00
    $147.00
    $147.00 - $147.00
    $147.00

    Takahashi Adapter for Turret 36.5 mm × 2″ (TKA00105)

    Takahashi
    More on the way

    Takahashi Adapter for Turret 36.5 mm × 2″ (TKA00105) When you fit the 4-Turret eyepiece holder (TKA00404) to certain Takahashi refractors—such as t...

    View full details
    $147.00 - $147.00
    $147.00
    $147.00 - $147.00
    $147.00
  • $249.00 - $249.00
    $249.00
    $249.00 - $249.00
    $249.00

    ZWO 0.75x Reducer For FF65APO Telescope

    ZWO
    More on the way

    If you are needing a faster version of your ZWO FF65APO Quad, this reducer will take your f/ratio from f/6.4 to f/4.8. ZWO has released a brand-new...

    View full details
    $249.00 - $249.00
    $249.00
    $249.00 - $249.00
    $249.00
  • 12 pound counterweight for Celestron Advanced VX equatorial mount
    $61.95 - $61.95
    $61.95
    $61.95 - $61.95
    $61.95

    Celestron 11 Pound Counterweight For Celestron Advanced VX Equatorial Mount

    Celestron
    More on the way

    This Celestron 11 pound (5.4 kg) counterweight lets you balance heavy heavy accessory loads (such as a photoguide scope, accessory dovetail, mounti...

    View full details
    $61.95 - $61.95
    $61.95
    $61.95 - $61.95
    $61.95
  • $260.00 - $260.00
    $260.00
    $260.00 - $260.00
    $260.00

    Tele Vue 2" Bandmate H-Beta Filter

    TeleVue
    In Stock

    The distinction you'll find with Bandmate filters is their consistency, achieved by keeping control of the manufacturing and quality control proces...

    View full details
    $260.00 - $260.00
    $260.00
    $260.00 - $260.00
    $260.00
  • Celestron Smart DewHeater 2X Controller – front view showing two RCA dew ports
    $269.95 - $269.95
    $269.95
    $269.95 - $269.95
    $269.95

    Celestron Smart Dewheater Controller With Two Outputs 94035

    Celestron
    In Stock

    Celestron Smart DewHeater & Power Controller 2X Intelligent dew protection and power distribution for streamlined telescope setups Dew doesn’t ...

    View full details
    $269.95 - $269.95
    $269.95
    $269.95 - $269.95
    $269.95
  • 365 Series Cover for 11" to 14" Schmidt-Cassegrains on a large German equatorial mount
    $199.00 - $199.00
    $199.00
    $199.00 - $199.00
    $199.00

    TeleGizmos 365 Series Cover for 11" to 14" Schmidt-Cassegrains on a Large German Equatorial Mount

    TeleGizmos
    In Stock

    TeleGizmos 365 Series Cover for 11" to 14" SCTs on Large German Equatorial Mounts If you own a large 11" to 14" Schmidt-Cassegrain telescope mounte...

    View full details
    $199.00 - $199.00
    $199.00
    $199.00 - $199.00
    $199.00
  • 1.25" Enhanced aluminum 96% reflectivity mirror diagonal
    $216.00 - $216.00
    $216.00
    $216.00 - $216.00
    $216.00

    TeleVue 1.25" Enhanced Aluminum 96% Reflectivity Mirror Diagonal

    TeleVue
    More on the way

    This 90° 1.25" mirror-type star diagonal uses enhanced aluminum mirror coatings for a full 95% reflectivity. The mirror is overcoated with quartz f...

    View full details
    $216.00 - $216.00
    $216.00
    $216.00 - $216.00
    $216.00
  • Heater strap for 9.25" scopes
    $65.78 - $65.78
    $65.78
    $65.78 - $65.78
    $65.78

    Astrozap Heater Strap for 9.25" and 10" Scopes

    Astrozap
    In Stock

    AstroZap Dew Heater Strap for 9.25" and 10" Telescopes The 9.25" and 10" Schmidt-Cassegrains are two of the most beloved telescopes in amateur astr...

    View full details
    $65.78 - $65.78
    $65.78
    $65.78 - $65.78
    $65.78
  • $31.95 - $31.95
    $31.95
    $31.95 - $31.95
    $31.95

    Celestron Omni 9mm 1.25" Plossl Eyepiece 93318

    Celestron
    More on the way

    This fully-multicoated Plössl is a good quality medium high to high power eyepiece at a sensibly low price. It's designed for high magnification lu...

    View full details
    $31.95 - $31.95
    $31.95
    $31.95 - $31.95
    $31.95
  • $305.00 - $305.00
    $305.00
    $305.00 - $305.00
    $305.00

    Televue 9mm Delite 62° 1.25" Eyepiece

    TeleVue
    More on the way

    The 9mm TeleVue DeLite eyepiece is a lighter, more compact, less expensive, 62° field/20mm eye relief version of the famed TeleVue Delos eyepieces,...

    View full details
    $305.00 - $305.00
    $305.00
    $305.00 - $305.00
    $305.00
  • $219.00 - $219.00
    $219.00
    $219.00 - $219.00
    $219.00

    TeleGizmos 365 Series Telescope Cover For 16" - 18" Dobsonians

    TeleGizmos
    More on the way

    TeleGizmos 365 Series Telescope Cover for 16"–18" Dobsonian Telescopes A 16" or 18" Dobsonian is a deep-sky monster, capable of pulling galaxies ou...

    View full details
    $219.00 - $219.00
    $219.00
    $219.00 - $219.00
    $219.00
  • 8-24mm SMC 1.25" long eye relief astronomical zoom; 21-63x or 26-78x spotting scope zoom
    $359.00 - $359.00
    $359.00
    $359.00 - $359.00
    $359.00

    Pentax 8-24mm SMC 1.25" Long Eye Relief Astronomical Zoom; 21-63x or 26-78x Spotting Scope Zoom

    Pentax
    More on the way

    This is an ultra-premium six-element zoom eyepiece. It has a long eye relief that's particularly well-suited to those who must wear eyeglasses whil...

    View full details
    $359.00 - $359.00
    $359.00
    $359.00 - $359.00
    $359.00
  • iOptron HAZ46 Counterweight Shaft and Adapter kit #8459
    $145.00 - $145.00
    $145.00
    $145.00 - $145.00
    $145.00

    iOptron HAZ46 Counterweight Shaft & Adapter

    iOptron
    More on the way

    While the iOptron HAZ46 harmonic mount is built to carry impressive payloads without a counterweight, certain gear combinations—especially longer o...

    View full details
    $145.00 - $145.00
    $145.00
    $145.00 - $145.00
    $145.00
  • Light shroud for 12" Sky-Watcher collapsible truss-tube Dobsonian
    $141.00 - $141.00
    $141.00
    $141.00 - $141.00
    $141.00

    Astrozap Light Shroud for 12" Sky-Watcher Collapsible Truss-Tube Dobsonian

    Astrozap
    More on the way

    AstroZap Light Shroud for 12" Sky-Watcher Collapsible Dobsonian If you own a collapsible truss-tube Dob like the Sky-Watcher 12" FlexTube, you alre...

    View full details
    $141.00 - $141.00
    $141.00
    $141.00 - $141.00
    $141.00
  • iOptron #8457 counterweight extension bar adds 120mm length
    $32.00 - $32.00
    $32.00
    $32.00 - $32.00
    $32.00

    iOptron CEM26, HEM27, GEM28 Counterweight Extension Bar

    iOptron
    In Stock

    Running out of room on your counterweight shaft? The iOptron Counterweight Extension Bar #8457 gives you the extra reach you need to properly balan...

    View full details
    $32.00 - $32.00
    $32.00
    $32.00 - $32.00
    $32.00
  • Collimating eyepiece
    $74.00 - $74.00
    $74.00
    $74.00 - $74.00
    $74.00

    Takahashi Collimating eyepiece TKA00441

    Takahashi
    More on the way

    The Takahashi TCE0020 is a collimating eyepiece used to collimate Newtonian and Cassegrain telescopes.The Takahashi TCE0020 is a short body Cheshir...

    View full details
    $74.00 - $74.00
    $74.00
    $74.00 - $74.00
    $74.00
  • $149.00 - $149.00
    $149.00
    $149.00 - $149.00
    $149.00

    Optolong L-Pro 1.25" Light Pollution Filter

    Optolong
    More on the way

    The Optolong 1.25" L-Pro light pollution filter is a great way to suppress the issues caused by all these lights that are all around us. This mount...

    View full details
    $149.00 - $149.00
    $149.00
    $149.00 - $149.00
    $149.00

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare