Orion Refractor Telescopes

Orion offers a range of refractor telescopes from normal achromatic refractors to ED refractors with enhanced colour correction. These refractors offer a better contrast and image sharpness than is possible with classical "Fraunhofer" refractors of similar aperture and focal length.

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ED Refractor - 80mm Aperture
compact telescope with a focal length of 600mm and enhanced colour correction - very portable
ED Refractor - 100mm Aperture
Powerful ED refractor with a focal length of 900mm
Rich Field Refractor - 80mm Aperture
Short tube telescope with a focal length of 400mm
 
All-Purpose Refractor - 90mm Aperture
Low cost telescope - recommended for beginners - 900mm focal length
Rich Field Refractor - 100mm Aperture
Excellent rich field telescope with a focal length of 600mm - with adjustable lens cell
 



ED Refractor - 80mm Aperture - 600mm Focal Length



ED - Refractor 80/600mm
On the TS Astro-5 mount the ED80 is a very powerful instrument. We recommend it for astro-imaging without reservations.
You can see the rayford focuser with locking thumbscrew and aluminium focus knobs.
The star diagonal, eyepiece and tube rings are not included in the standard set.



2" Crayford Focuser with locking screw and integrated T2 adaptor


Objective lenses in machined cell

On the search for a most versatile and powerful instrument with particular focus on portability a compact ED refractor always was among the top options, only the relatively high price often stood in the way - until now!

Advantages of a compact ED refractor:
- extremely portable because of the short tube. The telescope is fully suited for airline travelling.
- sharp and contrasty images on the moon and planets. False colour (the major contrast killer in a normal achromatic refractor) is drastically reduced.
- excellently suited for CCD imaging and digital imaging
- wonderful rich-field observations are possible with the short focal length of this telescope. 2" accessories are recommended!
- the refractor resembles a powerful telephoto lens for astronomical as well as classical photography - focal length 600mm, focal ratio f/7.5

Specifications:

Aperture / Focal Length / f-ratio Aperture 80mm / Focal length 600mm / Focal ratio f/7.5
Coating Fully multi-coated objective - every optical surface features a multi-coating
Optical design Air-spaced doublet. One lens element is made of ED ("Extra low Dispersion") glass for much enhanced colour correction
Tube - mechanical assembly The objective lens cell is machined aluminium. The tube is baffled to suppress stray light and enhance contrast
Tube length Complete with dewcap the tube is 61cm long.

The Focuser is made of metal. It works on the modern Crayford principle (zero image shift) and accepts both 2" and 1.25" accessories. A locking screw between the two focus knobs allows you to lock the focuser in position to avoid losing focus. A 1.25" adaptor with integrated T2 thread is always included.



The Plejades as seen through the Star Pointer
Star Pointer Red Dot (LED) Finderscope

A Star Pointer red dot finderscope is available as an optional accessory for the Orion ED80. It fits directly into the quick exchange finder base that is integrated into the tube.

A red dot (variable in brightness) shows you precisely where the Orion ED80 is pointed at. Just move the red dot to the position where you know your target to be and you will find the object in the eyepiece of your telescope as well. It's that simple. (further details in our online shop)

Article Code Short Description Price - Euro incl. VAT
OR ED 80
OTA
Orion ED refractor 80/600mm - optical tube with 2" crayford focuser and 1.25" adaptor - with photo tripod adaptor. No cradle rings or finderscope included Link to our online shop
CR 100 cradle rings (tube rings) for mounting the Orion ED80 on various mounts - price per pair. Price only valid when bought with the ED. Link to our online shop
Starpointer Red dot finderscope for the Orion ED80. Link to our online shop

Recommended Accessories
Here you can find accessories that are important and helpful for almost any telescope. Cleaning tools, filters, star charts, ...

The TS Eyepiece and Accessory Case isn't just an assortment of randomly picked eyepieces, we have put a lot of thoughts into choosing a fine range of eyepieces that will work with nearly all telescopes. These great eyepieces are included in the TS eyepiece and accessory case:

- three excellent quality TS Super Plossl eyepieces
- one TS wide angle eyepiece
- our excellent TS Barlow lens (2x/1.5x)
- five carefully chosen TS colour filters and one grey moon filter (not just a cheap green filter)
- an adaptor for focal and eyepiece projection astro-imaging

All comes in a beautiful, foam-lined aluminium case .......... Link to further information


Please send requests or online orders to: sales@telescope-service.com



Orion ED Refractor - 100mm Aperture - 900mm Focal Length


 

80EDFixierung.jpg (11747 Byte)
2" Crayford Focuser with locking screw and integrated T2 adaptor


Objective lenses in machined cell

An ED refractor with an aperture of a generous 100mm is generally considered a desirable but expensive all-purpose telescope. And now the last disadvantage has disappeared: Orion is offering an ED refractor with 100mm aperture at a price that had previously been thought impossible!

Advantages of an ED refractor:
- very portable. The telescope is even generally suited for airline travelling.
- sharp and contrasty images on the moon and planets. False colour (the major contrast killer in a normal achromatic refractor) is drastically reduced.
- excellently suited for CCD imaging and digital imaging - we also offer focal reducers and field flatteners for this telescope for even better results
- wonderful wide-field observations are possible with the relatively short focal length of this telescope. 2" accessories are recommended!

Specifications:

Aperture / Focal Length / f-Ratio Aperture 100mm / Focal Length 900mm / Focal Ratio f/9
Coating Fully multi-coated objective - every optical surface features a multi-coating
Optical Design Air-spaced doublet. One lens element is made of ED ("Extra low Dispersion") glass for much enhanced colour correction
Tube - mechanical assembly The objective lens cell is machined aluminium. The tube is baffled to suppress stray light and enhance contrast
Tube Length Complete with dewcap the tube is 90cm long.

The Focuser is made of metal. It works on the modern Crayford principle (zero image shift) and accepts both 2" and 1.25" accessories. A locking screw between the two focus knobs allows you to lock the focuser in position to avoid losing focus. A 1.25" adaptor with integrated T2 thread is always included.



The Plejades as seen through the Star Pointer
Star Pointer Red Dot (LED) Finderscope

A Star Pointer red dot finderscope is available as an optional accessory for the Orion ED80. It fits directly into the quick exchange finder base that is integrated into the tube.

A red dot (variable in brightness) shows you precisely where the Orion ED80 is pointed at. Just move the red dot to the position where you know your target to be and you will find the object in the eyepiece of your telescope as well. It's that simple. (further details in our online shop)

Article Code Short Description Price - Euro incl. VAT
OR ED 100
OTA
Orion ED refractor 100/900mm - optical tube with 2" crayford focuser and 1.25" adaptor - no cradle rings or finderscope included Link to our online shop
CR 100 cradle rings (tube rings) for mounting the Orion ED100 on various mounts - price per pair. Price only valid when bought with the ED Link to our online shop
Starpointer Red dot finderscope for the Orion ED100. (further details in our online shop) Link to our online shop

Recommended Accessories
Here you can find accessories that are important and helpful for almost any telescope. Cleaning tools, filters, star charts, ...

The TS Eyepiece and Accessory Case isn't just an assortment of randomly picked eyepieces, we have put a lot of thoughts into choosing a fine range of eyepieces that will work with nearly all telescopes. These great eyepieces are included in the TS eyepiece and accessory case:

- three excellent quality TS Super Plossl eyepieces
- one TS wide angle eyepiece
- our excellent TS Barlow lens (2x/1.5x)
- five carefully chosen TS colour filters and one grey moon filter (not just a cheap green filter)
- an adaptor for focal and eyepiece projection astro-imaging

All comes in a beautiful, foam-lined aluminium case .......... Link to further information


Please send requests or online orders to: sales@telescope-service.com




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