Skip to content
Astro-Tech Eyepieces Now on Sale!
Astro-Tech Eyepieces Now on Sale!

Over 5,000 Five Star Reviews

Free shipping over $100

Easy 30-day returns

Shop with an expert: 800-422-7876

Search results for “spectrum optical”

Products

  • Original price $7,373.00 - Original price $7,373.00
    Original price
    $7,373.00
    $7,373.00 - $7,373.00
    Current price $7,373.00

    TeleVue NP127Is 5" f/5.2 Nagler-Petzval Apochromatic Refractor

    TeleVue
    In Stock

    The original Hot Product TeleVue NP-127is has long been regarded as one of the finest optical systems available for both visual observing and imagi...

    View full details
    Original price $7,373.00 - Original price $7,373.00
    Original price
    $7,373.00
    $7,373.00 - $7,373.00
    Current price $7,373.00
  • Original price $5,499.00 - Original price $5,499.00
    Original price
    $5,499.00
    $5,499.00 - $5,499.00
    Current price $5,499.00

    Celestron CPC Deluxe 1100 HD 11" Go-to Altazimuth SCT with EdgeHD Optics 11009

    Celestron
    In Stock

    Award-winning Celestron EdgeHD optics, in a 11" size that will amaze you with its performance, combine with a newly re-engineered and upgraded Cele...

    View full details
    Original price $5,499.00 - Original price $5,499.00
    Original price
    $5,499.00
    $5,499.00 - $5,499.00
    Current price $5,499.00
  • Original price $1,699.99 - Original price $1,699.99
    Original price
    $1,699.99
    $1,699.99 - $1,699.99
    Current price $1,699.99

    Explore Scientific FCD100 ED80 Triplet APO Package with 0.8x Reducer & iEXOS-100

    Explore Scientific
    In Stock

    Explore Scientific FCD100 ED80 Triplet APO with 0.8x Reducer & iEXOS-100 GoTo Mount Premium APO Glass Meets Wide-Field Astrophotography If you’...

    View full details
    Original price $1,699.99 - Original price $1,699.99
    Original price
    $1,699.99
    $1,699.99 - $1,699.99
    Current price $1,699.99
  • Original price $1,299.99 - Original price $1,299.99
    Original price
    $1,299.99
    $1,299.99 - $1,299.99
    Current price $1,299.99

    Explore Scientific FCD100 ED80 APO Triplet with 2" Field Flattener (OTA)

    Explore Scientific
    In Stock

    Explore Scientific FCD100 ED80 Triplet APO with 2" Field Flattener (OTA Package) Premium Glass, Flat-Field Imaging in a Compact APO The Explore Sci...

    View full details
    Original price $1,299.99 - Original price $1,299.99
    Original price
    $1,299.99
    $1,299.99 - $1,299.99
    Current price $1,299.99
  • Original price $1,299.99 - Original price $1,299.99
    Original price
    $1,299.99
    $1,299.99 - $1,299.99
    Current price $1,299.99

    Explore Scientific FCD100 ED80 APO Triplet with 0.8x Reducer (OTA Package)

    Explore Scientific
    In Stock

    Explore Scientific FCD100 ED80 Triplet APO with 0.8x Focal Reducer (OTA Package) Premium Glass and Wide-Field Imaging Power The Explore Scientific ...

    View full details
    Original price $1,299.99 - Original price $1,299.99
    Original price
    $1,299.99
    $1,299.99 - $1,299.99
    Current price $1,299.99
  • Original price $5,299.00 - Original price $5,299.00
    Original price
    $5,299.00
    $5,299.00 - $5,299.00
    Current price $5,299.00

    Celestron CGEM II 1100HD Computerized 11" f/10 EdgeHD Telescope 12019

    Celestron
    In Stock

    The Celestron CGEM II 1100 HD telescope combines big aperture 11" aplanatic EdgeHD high definition optics, a precision Celestron CGEM go-to German ...

    View full details
    Original price $5,299.00 - Original price $5,299.00
    Original price
    $5,299.00
    $5,299.00 - $5,299.00
    Current price $5,299.00
  • Original price $3,490.00 - Original price $3,490.00
    Original price
    $3,490.00
    $3,490.00 - $3,490.00
    Current price $3,490.00

    Takahashi FC-100DZ Refractor OTA

    Takahashi
    More on the way

      The Takahashi FC-100DZ is Takahashi's latest update to the 100mm fluorite refractor.  The FC-100DZ uses the Steinheil design with the fluorite el...

    View full details
    Original price $3,490.00 - Original price $3,490.00
    Original price
    $3,490.00
    $3,490.00 - $3,490.00
    Current price $3,490.00
  • Original price $79.00 - Original price $79.00
    Original price
    $79.00
    $79.00 - $79.00
    Current price $79.00

    iOptron 1.25" Dielectic Star Diagonal

    iOptron
    More on the way

    The iOptron 1.25" dielectric star diagonal is an excellent upgrade for any refractor or catadioptric telescope that accepts standard 1.25" accessor...

    View full details
    Original price $79.00 - Original price $79.00
    Original price
    $79.00
    $79.00 - $79.00
    Current price $79.00
  • Original price $3,199.00 - Original price $3,199.00
    Original price
    $3,199.00
    $3,199.00 - $3,199.00
    Current price $3,199.00

    Celestron CGEM II 800HD EdgeHD Computerized 8" f/10 Telescope 12017

    Celestron
    More on the way

    The Celestron CGEM II 800 EDGEHD telescope puts unique new 8" aplanatic (free from coma and corrected for spherical aberration) EdgeHD high definit...

    View full details
    Original price $3,199.00 - Original price $3,199.00
    Original price
    $3,199.00
    $3,199.00 - $3,199.00
    Current price $3,199.00
  • Sale
    -13%
    Original price $1,199.00
    Original price $1,199.00 - Original price $1,199.00
    Original price $1,199.00
    Current price $1,039.00
    $1,039.00 - $1,039.00
    Current price $1,039.00

    Celestron NexStar 6SE 6" Go-To SCT Telescope 11068

    Celestron
    In Stock

    For many people, the size of the NexStar 6 SE is a little like Goldilocks and the Three Bears – it's not too big, it's not too small, it's just rig...

    View full details
    Original price $1,199.00
    Original price $1,199.00 - Original price $1,199.00
    Original price $1,199.00
    Current price $1,039.00
    $1,039.00 - $1,039.00
    Current price $1,039.00
    Save $160.00 Save $0.00
  • Original price $4,299.00 - Original price $4,299.00
    Original price
    $4,299.00
    $4,299.00 - $4,299.00
    Current price $4,299.00

    Celestron CGEM II 1100 11" f/10 SCT Computerized Telescope

    Celestron
    More on the way

    The Celestron CGEM II 1100 puts the big light gathering of 11" aperture Celestron Schmidt-Cassegrain optics on a newly-designed high precision go-t...

    View full details
    Original price $4,299.00 - Original price $4,299.00
    Original price
    $4,299.00
    $4,299.00 - $4,299.00
    Current price $4,299.00
  • Original price $1,049.00 - Original price $1,049.00
    Original price
    $1,049.00
    $1,049.00 - $1,049.00
    Current price $1,049.00

    Sky Rover 102 GPA Planetary 102mm f/11 Super ED Doublet APO Refractor

    Sky Rover
    In Stock

    There was a time when a four-inch f/11 refractor was the gold standard for planetary observation — the instrument that experienced observers reache...

    View full details
    Original price $1,049.00 - Original price $1,049.00
    Original price
    $1,049.00
    $1,049.00 - $1,049.00
    Current price $1,049.00
  • Original price $3,399.00 - Original price $3,399.00
    Original price
    $3,399.00
    $3,399.00 - $3,399.00
    Current price $3,399.00

    Celestron CPC Deluxe 800 HD 8" Go-to Altazimuth SCT with EdgeHD Optics 11007

    Celestron
    In Stock

    Award-winning Celestron EdgeHD optics combine with a newly re-engineered and upgraded Celestron CPC fork mount to produce an outstanding example of...

    View full details
    Original price $3,399.00 - Original price $3,399.00
    Original price
    $3,399.00
    $3,399.00 - $3,399.00
    Current price $3,399.00
  • Original price $999.00 - Original price $999.00
    Original price
    $999.00
    $999.00 - $999.00
    Current price $999.00

    Sky Rover 102 GPA 102mm f/7 Super ED Doublet APO Refractor OTA

    Sky Rover
    In Stock

    A 4-inch refractor has long been considered a turning point in visual observing. It retains the portability and ease of smaller instruments, but ad...

    View full details
    Original price $999.00 - Original price $999.00
    Original price
    $999.00
    $999.00 - $999.00
    Current price $999.00
  • Original price $3,899.00 - Original price $3,899.00
    Original price
    $3,899.00
    $3,899.00 - $3,899.00
    Current price $3,899.00

    Celestron CGX Equatorial 800 EdgeHD 8" Computerized Telescope 12055

    Celestron
    In Stock

    The Celestron CGX Equatorial 800 HD 8" telescope puts unique new 8" aplanatic (free from coma and corrected for spherical aberration) EdgeHD high d...

    View full details
    Original price $3,899.00 - Original price $3,899.00
    Original price
    $3,899.00
    $3,899.00 - $3,899.00
    Current price $3,899.00
  • Original price $269.00 - Original price $269.00
    Original price
    $269.00
    $269.00 - $269.00
    Current price $269.00

    Sky Rover XWA 7mm 100° Ultra Wide Angle Eyepiece

    Sky Rover
    In Stock

    The 7mm is where high-power observing starts to become practical. It’s the focal length most observers reach for when they want real detail without...

    View full details
    Original price $269.00 - Original price $269.00
    Original price
    $269.00
    $269.00 - $269.00
    Current price $269.00
  • Original price $6,999.00 - Original price $6,999.00
    Original price
    $6,999.00
    $6,999.00 - $6,999.00
    Current price $6,999.00

    CGEM DX 1400 HD 14" SCT with EdgeHD high definition optics

    Celestron
    Sold Out

    This product has been discontinued and is here for informational purposes only. The Celestron CGEM DX 1400HD - a double Sky & Telescope Hot Pro...

    View full details
    Original price $6,999.00 - Original price $6,999.00
    Original price
    $6,999.00
    $6,999.00 - $6,999.00
    Current price $6,999.00
    Sold out
  • Original price $3,199.00 - Original price $3,199.00
    Original price
    $3,199.00
    $3,199.00 - $3,199.00
    Current price $3,199.00

    Celestron CGEM II 925 Computerized 9.25" SCT Telescope 12011

    Celestron
    In Stock

    The Celestron CGEM II 925 combines high-contrast 9.25" Celestron Schmidt-Cassegrain optics with a newly-designed computerized go-to German equatori...

    View full details
    Original price $3,199.00 - Original price $3,199.00
    Original price
    $3,199.00
    $3,199.00 - $3,199.00
    Current price $3,199.00
  • Original price $679.95 - Original price $679.95
    Original price
    $679.95
    $679.95 - $679.95
    Current price $679.95

    Celestron C5 SCT Spotting Scope, 125mm, 1.25" 50x, CG5/AVX/photo Tripod Dovetail

    Celestron
    More on the way

    Those who want big optical performance for terrestrial (and astronomical) observing in a small package should consider the 5" aperture Celestron C5...

    View full details
    Original price $679.95 - Original price $679.95
    Original price
    $679.95
    $679.95 - $679.95
    Current price $679.95
  • Original price $1,699.00 - Original price $1,699.00
    Original price
    $1,699.00
    $1,699.00 - $1,699.00
    Current price $1,699.00

    Celestron 6" Advanced VX Series Go-To Equatorial Schmidt-Cassegrain Telescope

    Celestron
    In Stock

    This Celestron AVX6SC telescope is a quality 6" Schmidt-Cassegrain on a robust go-to computerized German equatorial mount with features optimized f...

    View full details
    Original price $1,699.00 - Original price $1,699.00
    Original price
    $1,699.00
    $1,699.00 - $1,699.00
    Current price $1,699.00
  • Original price $4,499.00 - Original price $4,499.00
    Original price
    $4,499.00
    $4,499.00 - $4,499.00
    Current price $4,499.00

    Celestron CPC Deluxe 925 HD 9.25" Go-To Altazimuth SCT with EdgeHD Optics 11008

    Celestron
    In Stock

    For the many observers who feel 9.25" is the sweet spot in Celestron's optical lineup, we have a treat - award-winning 9.25" Celestron EdgeHD optic...

    View full details
    Original price $4,499.00 - Original price $4,499.00
    Original price
    $4,499.00
    $4,499.00 - $4,499.00
    Current price $4,499.00
  • Original price $289.00 - Original price $289.00
    Original price
    $289.00
    $289.00 - $289.00
    Current price $289.00

    Sky Rover XWA 20mm 100° Ultra Wide Angle Eyepiece

    Sky Rover
    In Stock

    There’s a point in observing where the sky stops feeling like a collection of objects and starts feeling like a place. Star clouds connect. Nebulae...

    View full details
    Original price $289.00 - Original price $289.00
    Original price
    $289.00
    $289.00 - $289.00
    Current price $289.00
  • Original price $289.00 - Original price $289.00
    Original price
    $289.00
    $289.00 - $289.00
    Current price $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
    Original price $289.00 - Original price $289.00
    Original price
    $289.00
    $289.00 - $289.00
    Current price $289.00
  • Original price $2,599.00 - Original price $2,599.00
    Original price
    $2,599.00
    $2,599.00 - $2,599.00
    Current price $2,599.00

    Celestron 8” Rowe-Ackermann Schmidt Astrograph (RASA 8) Imaging Kit

    Celestron
    More on the way

      Flat field free of optical aberrations like field curvature, coma, astigmatism and chromatic aberration across an entire APS-C sensor. Unlike th...

    View full details
    Original price $2,599.00 - Original price $2,599.00
    Original price
    $2,599.00
    $2,599.00 - $2,599.00
    Current price $2,599.00