Telescope Optical Tube Assemblies at BuyTelescopes.com

Astro-Tech 6" f/4 Imaging Newtonian Optical Tube

This 6" Astro-Tech AT6IN optical tube is a very fast focal ratio f/4 reflector that has been optimized for very wide field deep space imaging. It can be used with 35mm cameras, DSLRs, web-cams, DSI-type cameras, and large format CCD cameras alike.

$299.00

Lunt Engineering 70MM ED Doublet Refractor

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This new ED Doublet ED OTA can be used for White Light, CaK or nighttime use.

$399.00

Takahashi FS60 1.7X Module for All FS-60C Refractors

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NEW! Takahashi has now developed a 1.7x module for the FS-60CB and it is called the FS-60Q. The Q is for the four elements that make up the optical train. The quadruple elements that make up the Q are the doublet fluorite objective and the two-element 1.7x CQ module.

$419.99

Lunt Engineering 80MM ED Doublet Refractor

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This new ED Doublet ED OTA can be used for White Light, CaK or nighttime use.

$449.00

Astro-Tech 8" f/4 Imaging Newtonian Optical Tube

AT8IN - This 8" Astro-Tech optical tube is a very fast focal ratio f/4 reflector that has been optimized for wide field deep space imaging. It can be used with 35mm cameras, DSLRs, web-cams, DSI-type cameras, and large format CCD cameras alike.

$449.00

Astro-Tech 10" f/4 Imaging Newtonian Optical Tube

This 10" Astro-Tech AT10IN optical tube is a very fast focal ratio f/4 reflector that has been optimized for very wide field imaging of faint deep space objects. It can be used with 35mm cameras, DSLRs, DSI-type cameras, and large format CCD cameras alike.

$599.00

Lunt Engineering 102MM ED Doublet Refractor

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This new ED Doublet ED OTA can be used for White Light, CaK or nighttime use.

$729.00

Astro-Tech 12" f/4 Imaging Newtonian Optical Tube

This 12" f/4 Astro-Tech AT12IN optical tube is a large aperture and very fast focal ratio reflector that has been optimized for wide field imaging of faint deep space objects. It can be used with 35mm cameras, DSLRs, and large format CCD cameras alike.

$749.00

iOptron MAK 152mm Telescope

6101 - The iOptron Rumak-type 152mm Maksutov-Cassegrain is perfect for the serious amateur astronomer who wants apochromatic refractor-type performance at an affordable price. In fact, the multicoated optics provide almost similar results as a 5-inch apochromatic refractor -- at a fraction of the cost.

$799.00

TeleVue TV-60 APO Refractor

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Tele Vue 60 APO Telescope / Spotting Scope. OTA only 10”-long — includes 2-stage 1.25" focuser with quick-focus drawtube plus fine-focus helical. Exquisitely machined and anodized all-metal construction with sliding captive dew shield.

$823.99

Meade Series 6000 80mm ED Triplet APO Refractor

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0306-00-05 - Expert observers will be delighted by the total absence of color fringing and the scope’s textbook-perfect pinpoint star images. Even beginners will notice the breathtaking high contrast and resolution of a Meade Series 6000 APO.

$999.00

Takahashi FS-60CB Fluorite Apochromat

As with all other FS refractors the FS-60CB has its hard multi-coated fluorite objective up front with a low dispersion hard multicoated rear element. This compact short focus [f/5.9 - 355mm] APO refractor is the perfect eclipse telescope and with its triplet reducer [f/4.4 - 264mm] is a great little astro camera or spotting scope. Note: Finder and finder bracket sold separately.

$1,015.00

Meade 8 Inch LX200-ACF OTA w/UHTC Coatings

0810-60-00 - Meade has created a design with the same coma free pinpoint star images and flatter field that discerning astrophotographers and most professional observatories have come to expect. The LX200-ACF (Advanced Coma Free) is the perfect platform for the demanding researcher and imaging enthusiast.

$1,199.00

iOptron Versa 108 ED APO

6102 - The iOptron Versa 108 ED doublet refractor telescope is created in the same vision as other popular iOptron products – quality, value and innovation.

$1,388.00

Takahashi FC76 Objective Unit

The FC-76DC objective unit has been designed to expand the capabilities of the FS-60CB and Q.

$1,425.00

iOptron Versa 108 ED APO with Field Flattener

6102FF - Enhanced by the world's most advanced optical design and cutting-edge optical processing, this double air-spaced 108mm Apochromatic doublet refractor offers a versatile platform that delivers exceptional performance for both visual observing and astrophotography.

$1,588.00

Meade 10 Inch LX200-ACF OTA w/UHTC Coatings

1010-60-00 - Meade has created a design with the same coma free pinpoint star images and flatter field that discerning astrophotographers and most professional observatories have come to expect. The LX200-ACF (Advanced Coma Free) is the perfect platform for the demanding researcher and imaging enthusiast.

$1,799.00

Takahashi FC-76DC Fluorite APO Refractor

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The new FC-76D is an updated version of the original FC-76 from 1980. The multi-coated fluorite rear lens and eco-glass front element provides maximum light transmission.

NOTE: FC-76DS ILLUSTRATED!

$1,949.00

Takahashi FC-76DS Fluorite APO Refractor

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The new FC-76D is an updated version of the original FC-76 from 1980. The multi-coated fluorite rear lens and eco-glass front element provides maximum light transmission.

$2,299.00

Takahashi Sky-90II Fluorite APO OTA

The FCL-90 OTA is an f/5.6 fluorite doublet with a focal length of 504mm. Overall length is 408mm (lens shade retracted). 2.5" focuser and 2" and 1.25" diagonal adapters included. Tube weight is 7.5 lbs.

$2,400.00