Polar finder for CG-5/Advanced Series/CGEM mounts

by Celestron Print

What would you like to print?
(Reviews and Documents/Videos will not be printed)

Basic Product Information
Full Description
Tech Details
Supplied Accessories
Recommended Accessories
Images

Print
More product information
This new non-illuminated 18mm polar alignment finderscope is an option for the current Celestron CG-5, Advanced Series, and CGEM German equatorial mounts and scopes only. It contains a reticle with patterns for polar alignment in both northern and southern hemispheres. It will not work with Celestron CG-4 or Omni mounts. For a polar finder for a CG-4 or Omni mount, use our part #3912.

This new finder threads into the rear of the polar axis of your mount after removing the black ring with three chrome thumbscrews from the mount. The chrome thumbscrews were used to collimate the previous version of the finder, but were susceptible to damage in transit and use. Instead of using the three exposed chrome thumbscrews to collimate the finder with the rotation axis of the mount, this new finder uses three small setscrews in the finder body to accurately align with the axis of rotation of the scope. Their recessed location makes them essentially immune to damage or accidental miscollimation. One of the setscrews is visible, but just barely, in the close-up photo. It is located at the 12 o’clock position at the top of the finder between the eyepiece and the aluminum trim plate.

Aligning the finder to the mount’s axis of rotation is a one-time procedure that takes only a few minutes and is done during the day. Full instructions are included with the finder. The finder can be left installed in the mount permanently.

Once aligned, to use the polar finder each evening thereafter in the northern hemisphere, the mount is first roughly aligned on the north celestial pole. The scope is rotated in right ascension until the stars in either Cassiopeia or the Big Dipper line up with the corresponding constellation pattern etched in the finder reticle. The mount’s right ascension clutch is locked firmly so the mount can’t lose its orientation on the stars. The altitude and azimuth controls are then adjusted to move the mount while looking through the polar finder until Polaris falls into a small circle etched into the reticle. When Polaris is located within the circle, the axis of rotation of the mount is aligned on the north celestial pole (not just on Polaris) with enough accuracy to permit casual long exposure guided astrophotography for the evening.

A similar procedure is used in the southern hemisphere, except that the Constellation Octans is used instead of Cassiopeia or the Big Dipper. After rotating the mount until Octans lines up with its reticle pattern, the altitude and azimuth controls are adjusted until the stars in Octans fall into the appropriate circles in the Octans reticle pattern.

Weight:
The weight of this product.
4 oz.
Warranty:
2 years
There are currently no Cloudy Nights reviews associated with this product

User Ratings/Reviews from our Customers (www.astronomics.com)
Overall Product Rating: AstronomicsAstronomicsAstronomicsAstronomicsAstronomics(3.00)   # of Ratings: 1   (Only registered customers can rate)

(Only registered customers can rate)

5 - Great (0.00%) (0 users)
4 - Good (0.00%) (0 users)
3 - OK (100.00%) (1 user)
2 - Bad (0.00%) (0 users)
1 - Very Bad (0.00%) (0 users)
0% 50% 100%
astronomics image

Sort Ratings: 

  Show these ratings: ALLGreatGoodOKBadVery Bad

loading request
Showing comments 1-1 of 1
1. Michael on 4/30/2013, said: AstronomicsAstronomicsAstronomicsAstronomicsAstronomics
I bought this Polar scope to help align my C6-NGT accurately. The polar scope does not come with time marker plate. You have to change the time marker plate out with the one that is attached to the CG-5 mount. Aligning the polar scope does take some patience, but once it is done you will have a very easy time of polar aligning your mount. I gave the polar scope a 3 because if the time markers missing and the price is a bit on the high side for a scope missing something that should be included. All in all this is an essential tool and is needed for astrophotography.
Was this comment helpful? Yes No   (1 people found this comment helpful, 0 did not)
Showing comments 1-1 of 1
We haven't recommended any accessories for this product quite yet... check back soon or call one of our experts (1-405-364-0858).
This product does not have supplied accessories... or supplied accessories have not been assigned.
Documents
No documents have been associated with this product.
Videos
No videos have been associated with this product.
There are currently no formulas associated with this product
Celestron - Polar finder for CG-5/Advanced Series/CGEM mounts

Click icon(s) below & hover image above for zoom

Celestron - Polar finder for CG-5/Advanced Series/CGEM mounts
 AstronomicsAstronomicsAstronomicsAstronomicsAstronomics (Average: 3.00 | Users: 1)  Only registered users can submit ratings - Register Here
Our Product #: 3910
Manufacturer Product #: 94224
Price: $49.50  Ground shipping for this item is $8.95 - Click for more info
By adding 1 of these items to your cart your order total will be less than $100, and will ship within the 48 contiguous United States for $8.95. Add $50.50 to your order, however, and you qualify for free ground shipping (heavy items with fixed shipping, such as counterweights, excluded).
MSRP: $60.00
Quantity:   

 E-mail this product to a friend E-mail this product to a friend

Your Email:  
Your Friend's Email:  
Confirm Friend's Email:  

Comments:
  200 characters or less
 

An email containing a link to this product has been sent to the email address you provided.

Clear Skies!
Astronomics

 Have a question? Do you have a question about this product?
 Found a better price? Found a lower price? Click to let us know... or call 800-422-7876 before you buy.

If you’ve found a lower delivered price on this product, let us know about it below. We’ll do our best to meet or beat that price and will get back to you within one business day with our best offer. Thanks for giving us the opportunity to give you a better deal.

Your Name:  
Price:  
From Who:  
Context:  Magazine AdOnline
Website Address:  
Cut and paste the web address into the box above
Your Email:  
Confirm Email:  


We’ll do our best to meet or beat that price and will get back to you within one business day with our best offer. Thanks for giving us the opportunity to give you a better deal.

Clear skies,
Astronomics


This Celestron polar alignment finder lets you line up your Celestron CG-5 German equatorial mount, Advanced Series, or CGEM mount scope precisely on either celestial pole for more accurate tracking and computerized object locating . . .





. . . our 34th year