OnlineChatSoftware
Order By Phone
Happily Serving You in the Same Location for Over 58 Years!

Welcome!

Shop By

Currently Shopping by:

  1. Remove This Item Manufacturer: Explore Scientific
Clear All

Narrow Your Results

Price
  1. $500.00 - $1,000.00 (2)
  2. $1,000.00 - $2,000.00 (1)
  3. $2,000.00 - $5,000.00 (1)
Product Series
  1. ES Double Air-Spaced Achromatic Refractors (2)
  2. ES Triple Air-Spaced Apochromatic Refractors (2)

Current Promotions
Current Promotions
Latest Additions
Camera Store
 Shop by Brand
Choose Your Gear

Featured manufacturers
  11. View all manufacturers
2.5% discount from every Online purchase
Astronomy Galleries
Comet Watch
Our observatory in Tehachapi mountains

Optical Tube Assemblies

Optical tube assemblies, commonly abbreviated by astronomers as OTAs are simply the tube of the telescope where the optics are internally located. OTAs can be helpful in a situation in which an observer has a compatible mount and doesn't want to buy a whole new telescope with a mount included. Optical Tube Assemblies can come in the form of Maksutov-Cassegrain, Astrographs, Reflectors, Refractors, Schmidt-Cassegrains and many others! With the right mounting connections and range of mount and tripod payload, OTAs are a great choice for changing optical type without changing the mount.

4 Item(s)

per page

Set Descending Direction
  1. Explore Scientific - 152mm f/6.5 Achromatic OTA with 2" 99% reflectivity diagonal and a longer dewshield

    Explore Scientific - 152mm f/6.5 Achromatic OTA with 2" 99% reflectivity diagonal and a longer dewshield

    The AR152 (six-inch), with its larger aperture optics gathers 44% more light over the AR127 (five-inch) model, providing much brighter images and higher resolution

    ...     Learn More
    FREE SHIPPING
    (48 States)
    Model#: DAR152065-01
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $1,249.99

    Special Price: $749.99

  2. Explore Scientific - 80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor w/ Deluxe Case & Accessories & TwiLight II Heavy-Duty Dual-Head Mount

    Explore Scientific - 80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor w/ Deluxe Case & Accessories & TwiLight II Heavy-Duty Dual-Head Mount

    The 80mm f/6 ED Apochromatic triplet from Explore Scientific is a great air-spaced triplet refractor telescope for observing as well as for use in photography of celestial objects ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TED0806-00-MAZ02-01
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $1,889.98

    Special Price: $1,199.95

  3. Explore Scientific - AR127 f/6.5 Air-Spaced Doublet Achromat Refractor

    Explore Scientific - AR127 f/6.5 Air-Spaced Doublet Achromat Refractor

    AR127 f/6.5 Air-Spaced Doublet with EMD Coatings; Deluxe Two-Speed 2-inch Crayford Focuser; Cradle Rings with Handle and Vixen-Style Dovetail Mount; 8x50 Straight Finderscope; Enhanced 99% Reflective 2-inch Diagonal with 1.25-inch Adapter

    ...     Learn More
    FREE SHIPPING
    (48 States)
    Model#: DAR127065-01
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $1,089.99

    Special Price: $649.99

  4. Explore Scientific - Carbon Fiber ED127 f/7.5 Air-Spaced Triplet Apochromatic Refractor

    Explore Scientific - Carbon Fiber ED127 f/7.5 Air-Spaced Triplet Apochromatic Refractor

    Explore Scientific 127mm f/7.5 Air-Spaced Triplet  ED Apochromatic Refractor The Explore Scientific 127mm f/7

    Comes with 2 Speed Focuser, 8x50 erect Image Illuminated Finderscope, Enhanced 99% reflective 2" diagonal and The deluxe Case.

    ...     Learn More
    FREE SHIPPING
    (48 States)
    Model#: TED127075-CF
    Take advantage of this incredible 2013 Spring Promotion Program

    Regular Price: $4,169.99

    Special Price: $2,499.99

4 Item(s)

per page

Set Descending Direction
Opticstar North America
    Advanced Search
Join Us Every Month & Observe At Night Under The Stars
Buy a gift certificate
Free Shipping over $200
Now carrying Levenhuk products!
Click here for your Free subscription to Sky's Up magazine
VIXEN VIP Dealer
All transactions must be approved by
Woodland Hills Telescopes before shipping
Will only honor current page prices!
International Orders
Site designed and hosted by: GammaFX, Inc. Web Design Studio
© 2013 Woodland Hills Telescopes, All Rights Reserved.
 Follow us on: Facebook