Home
 
Astrophoto
Tracker III
 

Mini-Tracker

  
Books
Night Sky Navigation
 
Deep Space Image Catalog
 
 Light Pollution

Dark Sky

Maps

 
   

Contact

Us

   
Prices &

On-line

Order

   

 

The Mini-Tracker      An Economic Imaging Platform

Comparison:   Tracker III vs. Mini-Tracker

The Mini-Tracker has the same basic features as the Tracker III except that it has a removable View Port that interchanges with the camera, it has a significantly shorter back-focus, and is  lighter.

  Tracker III Mini-Tracker
Minimum Back-focus 3.85 in. (99 mm) 2.75 in. (70 mm)
Weight 14 oz. (470 gr) 11 oz. (300 gr)
XY-Guide Star Control yes yes
Guide Port - Off-Axis Guiding yes yes
Guide Port - Helical Focusing yes yes
View Port yes Optional
View  Port - Helical Focusing yes yes
Quick-Disconnect, Interchangeable Adapters yes yes
Internal f/6.5 Focal Reducers yes yes
     
Specifications 
Weight = 11 oz.       (300g)         includes  AT2M, and ACRM adapters (set up for an SLR)
Minimum Back-Focus = 2.75 in. (70 mm)
Body Diameter  = 3.5 in  (89mm)     cylindrical portion only
Max   Radius  = 3.6 in. typ.  (91mm)       excludes eyepieces

Materials/Construction:   Machined,  Lightweight, high impact formulation of PVC.      

                                           Rugged 1/4 inch wall