All
Search
Images
Videos
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
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
2:46
Refractometer
36.4K views
Nov 14, 2012
YouTube
SCCchemistry
9:53
Laser Beam Collimation
19.2K views
Nov 12, 2015
YouTube
PBL Projects
7:42
Top 10 Best Telescope Refractors 2023
39.7K views
Feb 18, 2020
YouTube
Outdoor Finders
36:13
Astrophotography: Refractor VS SCT!!
21.5K views
Jun 25, 2023
YouTube
DSO Imager
9:11
Collimate the collimator
3.6K views
Mar 27, 2020
YouTube
Exo Photography
7:05
Collimating your reflecting Telescope in just a few minutes
518.3K views
Nov 16, 2011
YouTube
Astronomy and Nature TV
6:26
Compact Linear Fresnel Reflector technology by CNIM - Concentrati
…
161.8K views
Mar 25, 2014
YouTube
CNIM Groupe
9:41
New StellaMira 90mm ED Triplet Refractor by First Light Optics
11.8K views
Oct 31, 2021
YouTube
Astrolavista
9:30
Collimate a Telescope without a Cheshire
221K views
Oct 14, 2013
YouTube
Michael Bernardo
4:06
What is a refractometer and how to use to identify the status of your c
…
3.6K views
Jun 15, 2023
YouTube
Fleetguard
2:34
Refractometer Basics
11.2K views
Feb 22, 2014
YouTube
Neil Jones Food Company
2:30
Collimate Celestron Skymaster Binoculars
74.9K views
Jan 3, 2019
YouTube
Stars and Guitars
4:16
LED Collimator Part 2: Getting Started
13K views
Dec 7, 2016
YouTube
Zemax LLC
9:51
Celestron 114LCM collimation easier method
104.9K views
Feb 4, 2018
YouTube
K Packman
33:47
How To Collimate Your Telescope
131.7K views
Dec 23, 2012
YouTube
Gettin' In The Game
3:15
Urine Specific Gravity Refractometer
81.9K views
Jan 10, 2018
YouTube
Vivo Phys - Evan Matthews
5:02
Using a Dual Digital Refractometer
9K views
May 17, 2016
YouTube
DairyTechLLC
17:07
Celestron AstroMaster 130 Collimation (Calibration)
76.3K views
Dec 22, 2019
YouTube
ZnakeTech
9:53
How to Perform a Manifest Refraction
142.1K views
Nov 6, 2018
YouTube
Hunter Vision
3:06
7 - Collimating a Beam
17.5K views
Feb 25, 2020
YouTube
Optical Systems
6:54
10 WAYS TO IMPROVE AN ACHROMATIC REFRACTOR
16.9K views
Feb 12, 2018
YouTube
Garnett Leary
2:21
How to use brix refractometer
71.1K views
Sep 3, 2020
YouTube
ATO Automation
1:58
Refractory Replacement For Wood Burning Fireplaces
58K views
Feb 9, 2013
YouTube
LENNOXHEARTHPRODUCTS
2:55
How a refractor telescope works
149.8K views
Feb 5, 2008
YouTube
epicfantasy
6:19
Telescope Tips: Collimating a Laser Collimator
65.5K views
Jan 1, 2017
YouTube
MikeyJ
1:30
Refractometer for honey quick instructions
21.5K views
Aug 29, 2018
YouTube
Ivan Strapko
4:51
EyeNetra Mobile Refraction Kit Overview: Autorefractor, Autolens
…
16.1K views
Aug 9, 2018
YouTube
EyeNetra Inc
15:02
How To Collimate a Reflector Telescope (EASY METHOD)
195.1K views
Oct 9, 2020
YouTube
Small Optics
9:33
Collimating a Newtonian Reflector Telescope - Tutorial
25.8K views
Jul 16, 2020
YouTube
Martin’s Astrophotography
9:48
Gem-A Education: How to use the refractometer
31.8K views
Oct 29, 2020
YouTube
Gem-A
See more videos
More like this
Feedback
Feedback