Tuesday, July 21, 2020

Guide to Buying Your First Scope - My First Telescope & Second & Third...(2020)

Intro
Been asked a lot about getting telescope. 

Figured I  would Show what scopes I have and make buying guide for starting out.

Important to look at up-to-date videos
Rosewell Astronomy
Testing the new Celestron StarSense Explorer DX 130AZ
https://www.youtube.com/watch?v=4LAmx6Ict3M&t=552s

Wido Oerlemans
Best affordable telescope to start astrophotography in 2020?
https://www.youtube.com/watch?v=LmX0OkXHoSY&t=610s

Three Main Types
Refractor (1608)
1608 in the Netherlands, when a patent was submitted by Hans Lippershey.
Durable, Low Maintenance
Very expensive with higher aperture
chromatic aberration










Newtonian Reflector (1668)
Isaac Newton
Best bang for the buck 
Must collimate before use

Cassegrain Reflector (1672)
Laurent Cassegrain in 1672 described the design of a reflector with a small convex secondary mirror to reflect light through a central hole in the main mirror
Compact, in between price



Telescope
Specs
Includes
Price
Orion FunScope
Obj: 76mm
FL: 300mm
-FunScope 76mm -20mm eyepiece
-6mm eyepiece 
-1.25" 2x Barlow lens
-Red-dot reflex sight
-Orion MoonMap 260
$69.99




Celestron FirstScope
Obj: 76mm
FL: 300mm
-FirstScope 76 mm  -20mm eyepiece
-4mm eyepiece 
54.99

Orion SkyQuest XT8 
Obj: 203mm
FL: 1200mm
-25mm eyepiece
-EZ Red Dot Finder 
-2" Crayford focuser
-2"-to-1.25" adapter
$399.99


Sky-Watcher Classic 8” 
Dobsonian
Obj: 203mm
FL: 1200mm
-25mm eyepiece
-10mm eyepiece
-8x50 Finderscope 
-2" Crayford focuser
-2"-to-1.25" adapter
$405.00



Orion ED80
Obj: 80mm
FL: 600mm
-2" Crayford focuser
-2"-to-1.25" adapter
$449.99
Sky-Watcher Evostar 
80ED
Obj: 80mm
FL: 600mm
-8x50 Finderscope
-2" Diagonal
-25 mm eyepiece
-5 mm eyepiece
-Tube Rings 
-Metal Carrying Case
-2" Dual speed 
 focuser
-2"-to-1.25" adapter
$825.00







Orion CT80
Obj: 80mm
FL: 400mm
-2" Crayford focuser
-2"-to-1.25" adapter
$99.99
Meade Infinity 80 
Refractor
Obj: 80mm
FL: 400mm
-Alt-Azimuth Mount -Red Dot Finder
-2x 1.25" Barlow
-26 mm eyepiece
-9 mm eyepiece
-6.3 mm eyepiece
$149.99







Telescope
Specs
Includes
Price
Orion StarBlast 4.5”
Reflector
Obj: 114mm
FL: 450mm
-25mm eyepiece
-10mm eyepiece
-Orion MoonMap
-Equatorial mount
-EZ Red Dot Finder
$179.99




Celestron AstroMaster
114 Reflector
Obj: 114mm
FL: 450mm
-25mm eyepiece
-10mm eyepiece
-Orion MoonMap
-Equatorial mount
-EZ Red Dot Finder
$169.99



Orion StarMax Table 
Top Mak-Cass
Obj: 90mm
FL: 1250mm
-90° diagonal
-25mm eyepiece
-10mm eyepiece
-EZ Red Dot Finder
-tripod attachment
$199.99



Celestron NexStar 90 
Computerized Scope
Obj: 90mm
FL: 1250mm
-Computerized 
  Alt-Azimuth Mount
-EZ Red Dot Finder
-25mm eyepiece
-9mm eyepiece
-1.25" Star Diagonal
-Hand Controller
$359.99





Astro-Tech AT115 
Refractor
Obj: 115mm
FL: 805mm
-dual-speed 2.5" 
 focuser with 10:1 
-hard sided case
-rotatable focuser
-camera angle  
  adjuster
-retractable lens 
 shade/dew shield
-dual hinged split 
 tube rings 
-Vixen-style dovetail
$1399.99











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