Telescope Diagonals at BuyTelescopes.com

Baader Planetarium T-2 Star Diagonal Prism (Zeiss Prism)

T2-01B - The Baader Planetarium T-2 Prism Star Diagonal is easily the finest prism star diagonal available today. The right angle prism is produced by Zeiss, and is the identical prism that Zeiss supplied for use with their exquisite APQ telescopes.

$259.00

TeleVue 2.0" Everbrite Star Diagonal for SCT's

2" Everbrite Star Diagonal - Short for SCT use with brass compression ring. Same as standard Everbrite, with a shorter male end to reduce overall scope length.

$273.99

Baader Planetarium T-2 Maxbright Mirror Diagonal

MAX-1 - Baader Planetarium has just expanded their innovation in star diagonals. The new T-2 Maxbright Mirror Diagonal uses the proprietary Baader Maxbright all-dielectric mirror coatings.

$277.00

Lunt Solar Systems 2" White Light Solar Wedge

The Lunt Wedge is designed to replace the standard Lunt Solar Systems 2" White Light Solar Wedgediagonal at the rear end of your refracting telescope. Unlike front mounted filters the Wedge transmits a safe level of full spectrum light providing true white light views.

$288.00

TeleVue 2.0" 90-Degree Everbrite Diagonal - Satin

2.0" 90-Degree Everbrite Diagonal - Satin.

$288.99

Baader Planetarium 2" Clicklock Mirror Star Diagonal

MAX-2C - The Baader Planetarium 2" Clicklock Star Diagonal uses the proprietary Baader Maxbright all-dielectric mirror coatings. Baader's Maxbright coatings deliver an amazingly high 99% photo-visual reflectivity along with an extremely hard durable surface.

$297.00

Baader Planetarium Precision Amici Star Diagonal

AMICI-DX1 - Baader Planetarium produces what we think is easily the finest amici prism star diagonal available today. The prism has been made to the proper specifications, in order to provide image quality that suffers from none of the defects found in commonly available correct image amici diagonals.

$299.00

Astro-Physics MaxBright 2" Mirror Diagonal with Dielectric Coating and Brass Locking Ring

The Astro-Physics 2" MaxBright Diagonal was designed with several unique features to provide optimum performance and years of use. Does not come with 1.25" adapter.

IN STOCK

$320.00

Questar Diagonal

Diagonal for axial viewing through a Questar 3.5, uses Brandon eyepieces. (requires swivel coupling #13071).

$375.00

Denkmeier Optical 2" Power x Switch Star Diagonal #S1 for SCT's w/Silver Enhanced Mirror (Regular)

Includes a 1.25" adapter and also includes our special thread-on visual back for SCTs, aluminum plug and large 2" aluminum thread-on sealing cap for telescope-side tube. 100% compression fittings throughout. Choose the Shorty Version for use with SCTs that are smaller than 10" to allow extra clearance of the fork base. LX90 users should choose Power x Switch Star Diagonal #S2.

$389.00

Denkmeier Optical 2" Power x Switch Star Diagonal #S1 for SCT's w/Silver Enhanced Mirror (Shorty)

Includes a 1.25" adapter and also includes our special thread-on visual back for SCTs, aluminum plug and large 2" aluminum thread-on sealing cap for telescope-side tube. 100% compression fittings throughout. Choose the Shorty Version for use with SCTs that are smaller than 10" to allow extra clearance of the fork base. LX90 users should choose Power x Switch Star Diagonal #S2.

$389.00

Denkmeier Optical 2" Power x Switch Star Diagonal #S2 for SCT's w/Silver Enhanced Mirror (Shorty)

#S2 is designed for use with binoviewers in an SCT and will operate with single eyepieces as well. The wonderful ability to call upon focal reduction, normal and 2X magnifications at any time instantly is yours. The new #S2 Power x Switch Star Diagonal allows 3 magnifications with your binoviewer and three magnifications with any single eyepiece.

$389.00

Denkmeier Optical 2" Power x Switch Star Diagonal #S2 for SCT's w/Silver Enhanced Mirror (Regular)

#S2 is designed for use with binoviewers in an SCT and will operate with single eyepieces as well. The wonderful ability to call upon focal reduction, normal and 2X magnifications at any time instantly is yours. The new #S2 Power x Switch Star Diagonal allows 3 magnifications with your binoviewer and three magnifications with any single eyepiece.

$389.00

Baader Planetarium 2" Maxbright Mirror Diagonal

The new T-2 Maxbright Mirror Diagonal uses the proprietary Baader Maxbright all-dielectric mirror coatings.

$439.00

Denkmeier Optical 2" Power x Switch Star Diagonal #R1 for Refractors w/Silver Enhanced Mirror

$Picture of Denkmeier Optical 2" Power x Switch Star Diagonal #R1 for Refractors w/Silver Enhanced Mirror$

Diagonal #R1 is made to allow multi-magnification of most binoviewers when used in Refractors. Just add any Denkmeier Binoviewer and #R1 will allow the Denk Binoviewer to reach low, mid, and high magnifications with a single pair of eyepieces. Single eyepieces also have a multi-magnification function.

$499.00

Denkmeier Optical 2" Power x Switch Star Diagonal #S1 for SCT's w/Dielectric Mirror (Shorty)

Includes a 1.25" adapter and also includes our special thread-on visual back for SCTs, aluminum plug and large 2" aluminum thread-on sealing cap for telescope-side tube. 100% compression fittings throughout. Choose the Shorty Version for use with SCTs that are smaller than 10" to allow extra clearance of the fork base. LX90 users should choose Power x Switch Star Diagonal #S2.

$509.00

Denkmeier Optical 2" Power x Switch Star Diagonal #S1 for SCT's w/Dielectric Mirror (Regular)

Includes a 1.25" adapter and also includes our special thread-on visual back for SCTs, aluminum plug and large 2" aluminum thread-on sealing cap for telescope-side tube. 100% compression fittings throughout. Choose the Shorty Version for use with SCTs that are smaller than 10" to allow extra clearance of the fork base. LX90 users should choose Power x Switch Star Diagonal #S2.

$509.00

Denkmeier Optical 2" Power x Switch Star Diagonal #S2 for SCT's w/Dielectric Mirror (Regular)

#S2 is designed for use with binoviewers in an SCT and will operate with single eyepieces as well. The wonderful ability to call upon focal reduction, normal and 2X magnifications at any time instantly is yours. The new #S2 Power x Switch Star Diagonal allows 3 magnifications with your binoviewer and three magnifications with any single eyepiece.

$509.00

Denkmeier Optical 2" Power x Switch Star Diagonal #S2 for SCT's w/Dielectric Mirror (Shorty)

#S2 is designed for use with binoviewers in an SCT and will operate with single eyepieces as well. The wonderful ability to call upon focal reduction, normal and 2X magnifications at any time instantly is yours. The new #S2 Power x Switch Star Diagonal allows 3 magnifications with your binoviewer and three magnifications with any single eyepiece.

$509.00

Takahashi 2" Mirror Diagonal w/1.25" Adapter

Takahashi's 2-inch star diagonal is designed for astronomers who want to maximize the resolution of their instrument. It uses a true 1/10th wave P-V enhanced aluminum coated Pyrex diagonal mirror that is precisely mounted using a beam collimator to guarantee maximum resolution at the eyepiece.

$509.99