1.25" diagonals

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Accessories / Visual and Everything Else1.25" diagonals
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1.25" diagonals
A star diagonal is a mirror or prism system that lets you view objects that are at an angle (usually 90°) from the direction a refractor or catadioptric (Schmidt-Cassegrain or Maksutov-Cassegrain) telescope is pointing. This allows you to view comfortably when the telescope is pointed at, or near, the zenith (i.e. directly overhead) by looking straight into the scope in order to see overhead. You don’t have to twist your neck into an uncomfortable position to see objects over your head with a star diagonal. The image in a star diagonal is right side up, but will be reversed from left to right. A star diagonal cannot be used with a reflector telescope, nor is it needed with such a scope.
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1.25' 99% reflectivity dielectric mirror diagonal with compression ring eyepiece holder
 
Astronomy Technologies - 1.25" 99% reflectivity dielectric mirror diagonal with compression ring eyepiece holder 
Our Product #:  AT1D

In StockUsually ships within one business day.
This 1.25” dielectric mirror-type star diagonal is a Sky & Telescope Hot Product for 2007! It would be an outstanding value at twice the price. At its economical low price, it's nothing short of sensational . . ..

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$69.95




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1.25' prism diagonal
 
Celestron - 1.25" prism diagonal 
Our Product #:  7707
Celestron #: 94115-A

In StockUsually ships within one business day.
A Star Diagonal lets you view objects that are at a 90° angle from the direction the telescope is pointing, thereby allowing comfortable viewing when the telescope is pointed at, or near, the zenith (i.e. directly overhead). The resulting image is right side up, but will be reversed from left to right. . . .

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$42.95
List Price: $51.95




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#918A 1.25' prism star diagonal
 
Meade - #918A 1.25" prism star diagonal 
Our Product #:  918A
Meade #: 07202

In StockUsually ships within one business day.
This 1.25” star diagonal is a replacement for a lost or damaged Meade scope diagonal, but can be used with any refractor or catadioptric telescope that uses 1.25” accessories . . .

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$42.95
List Price: $99.00




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Questar - 1.25" for Brandon eyepieces on 3.5" (needs swivel coupling) 
Our Product #:  19107

Drop-ShipShips directly to you from the manufacturer; we will not charge your card until the item is ready to ship.
Diagonal for axial viewing through a Questar 3.5, uses Brandon eyepieces.

Shipping is free on this Questar item if it is purchased with a Questar scope that is being drop-shipped to you from the Questar factory. Standard freight charges ($9.95 minimum) and a 14-day or longer delivery time apply if this item is purchased by itself as a special order item. Additional Questar freight and a $15 Questar drop-ship charge will apply if faster delivery is required and it must be drop-shipped to you from Questar.

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$245.00




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1.25' prism diagonal with compression ring
 
Takahashi - 1.25" prism diagonal with compression ring 
Our Product #:  TAKSD1

In StockUsually ships within one business day.
This premium 1.25" Takahashi compression ring prism star diagonal will work with any 1.25" telescope . . .

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$115.95
List Price: $135.95




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Takahashi - large diagonal prism for 1.25" & 30mm oculars 
Our Product #:  TFP0070

Back-OrderedTemporarily out of stock; will charge and ship when available.
Product description coming soon . . . . . .

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$239.50
List Price: $281.50




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Takahashi - large diagonal prism visual coupling 
Our Product #:  TSP0040

Back-OrderedTemporarily out of stock; will charge and ship when available.
Product description coming soon . . . . . .

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$23.50
List Price: $27.95




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1.25' enhanced aluminum 96% reflectivity mirror diagonal with compression ring
 
TeleVue - 1.25" enhanced aluminum 96% reflectivity mirror diagonal with compression ring 
Our Product #:  7781C
TeleVue #: DSC-0125

In StockUsually ships within one business day.
This 90° 1.25” mirror-type star diagonal uses enhanced aluminum mirror coatings for a full 95% reflectivity. The mirror is overcoated with quartz for long life. The mirror housing and 1.25” barrels are precision-machined from a single block of solid aluminum, rather than being simply a pair of less-rigid tubes screwed into a flimsy plastic mirror housing or sheet metal stamping, as with lesse . . .

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$140.00
List Price: $165.00




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1.25' Everbrite 99% reflectivity mirror diagonal with compression ring
 
TeleVue - 1.25" Everbrite 99% reflectivity mirror diagonal with compression ring 
Our Product #:  7781PC
TeleVue #: DPC-1250

In StockUsually ships within one business day.
This 90° 1.25" first-surface mirror star diagonal has Everbrite dielectric mirror coatings for a full 99% reflectivity, the highest possible . . .

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$190.00
List Price: $225.00




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1.25' 99 percent reflectivity Everbite mirror, 60 degree viewing
 
TeleVue - 1.25" 99 percent reflectivity Everbite mirror, 60 degree viewing 
Our Product #:  7786PC
TeleVue #: DPC-6012

In StockUsually ships within one business day.
This unique 60° viewing angle 1.25" diagonal is a sensible step up for comfortable extended viewing of the Moon and planets, as well as more comfortable terrestrial observing . . .

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$210.00
List Price: $250.00




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