Recently Viewed

How to buy your first telescope - PDF opens in a new window

Celestron 45-Degree Erect Image Diagonal 1.25 Inch

Celestron 45-Degree Erect Image Diagonal 1.25 Inch
  Zoom
 Celestron 45-Degree Erect Image Diagonal 1.25 InchCelestron 45-Degree Erect Image Diagonal 1.25 Inch 

Celestron

The Celestron 45 Degree Erect Image Diagonal 1.25" changes the observations of celestial objects to daytime observations by swapping your telescopes diagonal to the Erect Image Diagonal

Our Price:  £34.39
List Price:  £39.99
Saving Of:  14%
(Inc. 20% VAT)Earn 34 Loyalty Points
FREE UK DELIVERY

Bar Code:  050234941129
Part Number:  94112-A-CGL
Brand:  Celestron

Availability:  

  

No stock, delayed despatch

  Tell a Friend

 

 

Most telescopes work well for daytime viewing as well as for astronomy. If you have a refractor or a catadioptric telescope (the Schmidt-Cassegrain is the most popular example), and you would like to use it for terrestrial observations, the most useful additional accessory you can buy is an erect-image diagonal.

If you look through your telescope with the standard mirror or star diagonal installed, you will notice that objects may be either upside down, flipped so that you see a mirror image, or a combination of the two. This is fine for observations of celestial objects, but it can be a little confusing when you are trying to track a boat as it moves through the water, or an eagle as he flies towards his perch.

Luckily, this is an easy problem to correct. Simply remove the standard diagonal from the telescope's focuser or visual back, and install the Celestron 45 Erect Image Diagonal. Now, when you insert an eyepiece, objects will be right side up and left-to-right correct. The 45 angle of this Amici prism diagonal is very comfortable for daytime observations, where the telescope is often in a horizontal position.

Please Note: Adding an erect-image diagonal to a Newtonian reflector will not result in images that are right side up and left-to-right correct. The optical design of a Newtonian will always produce images that are rotationally off in orientation. This does not mean that you cannot use a Newtonian reflector during the day, it just means that you have to get used to objects oriented in unrealistic positions.

Features
- A great accessory for daytime terrestrial viewing with your telescope
- This 1.25" diagonal produces right side up and left-to-right correct images when used with refractors and catadioptric (Schmidt-Cassegrain) telescopes
- Inserts into 1.25" focusers or visual backs; accepts standard 1.25" eyepieces

Be the first to Write a Review for this item!