Rewards
All
Images
Videos
Maps
News
Shopping
More
Flights
Travel
Hotels
Real Estate
Notebook
For You
Following
My Playlist
Explore more
Trending
Movie
Music
Gaming
Sports
News
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
1:35
Meade Instruments- Series 6000 APO Refractors
3.2K views
Jul 18, 2017
Facebook
Meade Instruments
7:10
NEAF2016: AIRY refractors and H-alpha solar filters for AIRY
840 views
Apr 13, 2016
Facebook
Primalucelab
SkyWatcher EVOSTAR 120 ED apochromatic refractor with ESAT
…
240 views
Sep 17, 2021
primalucelab.us
8:10
SVBONY SV550 APO Refractor Telescope Apochromatic Triplet 1
…
254 views
8 months ago
YouTube
Svbony Spain
51:26
What's Up? Webcast: Picking a Refractor for Visual
14.5K views
Aug 12, 2023
YouTube
Sky-Watcher USA
1:29
Auto Refractometer Overview || Clinical Refraction ||
3.5K views
Sep 6, 2020
YouTube
Optometry Club
9:42
New StellaMira 90mm ED Triplet Refractor by First Light Optics
11.4K views
Oct 31, 2021
YouTube
Astrolavista
10:56
Refracting myopia and astigmatism in plus cylinder
4.8K views
Jul 25, 2020
YouTube
Eye Scholar
18:29
I've got APERTURE FEVER — Askar 185 APO Review
100.2K views
9 months ago
YouTube
Nebula Photos
20:28
Waves and Optics - Telescopes
21 views
1 month ago
YouTube
Blake Terror
0:20
Topps on Instagram: "First Look at the Fanatics Fest NYC-exclusive T
…
236.4K views
2 months ago
Instagram
topps
13:49
Testing Eleven 40mm Astronomy Telescope Eyepieces
200 views
1 month ago
YouTube
Dr AstroGeoTech
12:08
Binoviewing Eyepiece Set: Testing, Observing Planet Saturn, Astrono
…
158 views
1 month ago
YouTube
Dr AstroGeoTech
11:40
Comparing Two Skywatcher Refractor Telescopes: ST80 and E
…
123 views
5 months ago
YouTube
Dr AstroGeoTech
10:27
Binoviewing With SVBONY 3 - 8mm Zoom Eyepieces, Observing Moo
…
207 views
1 month ago
YouTube
Dr AstroGeoTech
12:10
TS 65 Quad Refractor Review (part 1)
13.3K views
Feb 28, 2014
YouTube
Astronomyshed
Evostar 150DX Apo Refractor
Mar 8, 2019
skywatcherusa.com
12:14
Askar 103APO Refractor | Full Review | High Point Scientific
13.9K views
Oct 23, 2023
YouTube
High Point Scientific
11:07
Telescope Perfection! The Astro-Physics AP130GTX 130mm f/6.3 A
…
31.8K views
Jan 15, 2023
YouTube
Ed Ting
9:59
Why did I buy an Achromat? Sky-Watcher Evostar 120 Refractor Ov
…
24.6K views
Feb 11, 2022
YouTube
Astrolavista
8:18
Comparing Two 80mm Refractor Telescopes On A Comet: C/2023 A
…
174 views
3 weeks ago
YouTube
Dr AstroGeoTech
7:28
Attaching A Large Refractor Telescope (by yourself) to an Equ
…
3K views
Oct 10, 2021
YouTube
starastronomer
6:42
Sky-Watcher World
107.5K views
Jan 28, 2010
YouTube
SkyWatcher Telescope
5:19
Reflectors Are BETTER Than Refractors... CHANGE MY MIND!
34 views
2 months ago
YouTube
The AstroPunk
4:09
Comparing Televue Ethos 21 Against APM HDC 20mm, Dayligh
…
80 views
2 months ago
YouTube
Dr AstroGeoTech
10:52
Maxvision Eyepieces: 24mm 82°, 34mm 68°, Baader Hyperion 10m
…
159 views
3 months ago
YouTube
Dr AstroGeoTech
8:16
Askar V Modular Refractor Full Review | High Point Scientific
7.8K views
Jun 20, 2023
YouTube
High Point Scientific
0:19
Fast Forward:Teachable Moment: Refractometer
Apr 24, 2015
PBS
3:59
takahashi 120 TSA #takahashi #telescope #refractor #astronomy
…
6.3K views
Nov 28, 2019
YouTube
JoeJaguar City Smartphone Astronomy
18:24
Why APO (apochromatic) lenses with High Resolution cameras
5.9K views
Nov 12, 2018
YouTube
Camera Mystique
See more videos
More like this
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Invisible focusable element for fixing accessibility issue
Feedback
Feedback