All
Search
Images
Videos
Shorts
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
Top suggestions for How to Calculate Focal Reduction
Focal
Length
0.3X Focal
Reducer
Founder Focal
Reducer
Focal
Plane Array
Lens
Thickness
1 5 Barlow
Lens
Astromania
Barlow Lens
Astrophotography
with Film Camera
Barlow Lens
with Camera
2 Alstar Barlow
Lens
How to
Use the Celestaire Sight Solver
Focal
Plane Photography
2 Astromania
Barlow Lens
Diverging Lens
Focal Point
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
Focal
Length
0.3X Focal
Reducer
Founder Focal
Reducer
Focal
Plane Array
Lens
Thickness
1 5 Barlow
Lens
Astromania
Barlow Lens
Astrophotography
with Film Camera
Barlow Lens
with Camera
2 Alstar Barlow
Lens
How to
Use the Celestaire Sight Solver
Focal
Plane Photography
2 Astromania
Barlow Lens
Diverging Lens
Focal Point
Understanding Focal Length and Field of View
Nov 26, 2019
edmundoptics.com
How to Use the Lens Equation to Find the Focal Length of a Lens |
…
Jan 14, 2022
study.com
How to Calculate the Focal Length of a Lens Given Index of Refractio
…
Dec 16, 2021
study.com
4:31
Focal Length | Definition, Formula & Examples
31K views
Nov 22, 2017
Study.com
Nichole Miller
19:10
Focal Reducers - Complete Overview and Function
180.9K views
Feb 27, 2014
YouTube
AstroBlender
16:16
How A Focal Reducer Works! - In Detail.
5.1K views
Mar 19, 2020
YouTube
AstroQuest1
How to Calculate the Focal Point of a Convex Mirror Using Mirror Equ
…
Nov 13, 2021
study.com
2:17
Understanding Collimation to Determine Optical Lens Focal Len
…
185.7K views
Oct 5, 2011
YouTube
Edmund Optics
6:25
Telescope Basics 2 (of 6): Learn to calculate magnification for a teles
…
231.4K views
May 1, 2012
YouTube
Eyes on the Sky
Calculate the Focal Length of a Convex Lens Which Produces a Vi
…
Sep 17, 2024
shaalaa.com
6:28
Telescope Focal Ratio Explained
34.4K views
Jul 9, 2022
YouTube
Alien Tech
1:20
Features of the Orion 0.8x Focal Reducer for Refractor Telescopes
…
5.9K views
Aug 30, 2013
YouTube
Orion Telescopes & Binoculars
10:20
Effective Focal Length and Principal Plane Explained
11.3K views
Mar 4, 2019
YouTube
Jordan Edmunds Chetty
5:30
Telescope Focal Length Explained
26.8K views
Jun 18, 2022
YouTube
Alien Tech
3:06
Lens Power Calculation - Physics of Light
7.2K views
Nov 18, 2016
YouTube
Wedgwood Tutors
2:13
Physics - Optics: Lensmaker's Equation (4 of 5)
29.9K views
May 5, 2013
YouTube
Michel van Biezen
4:03
Physics - Optics: Lensmaker's Equation (1 of 5)
103.5K views
May 5, 2013
YouTube
Michel van Biezen
How to Calculate the Focal Point of a Concave Mirror Using the Mirror
…
Nov 13, 2021
study.com
11:46
How to calculate focal length of a lens
11.2K views
Feb 27, 2017
YouTube
Kris Bochenek
3:18
Determination of the focal length of a concave mirror and a convex len
…
53.2K views
Nov 20, 2017
YouTube
Home Revise
7:15
Testing a Focal Reducer on my Big Refractor
6.4K views
Jul 26, 2018
YouTube
Chuck's Astrophotography
How to Calculate Focal Length for Industrial Imaging | 1stVision
Jul 26, 2017
1stvision.com
2:34
How To Calculate Telescope Magnification
114.5K views
Nov 18, 2016
YouTube
Celestron
2:51
Physics - Optics: Lensmaker's Equation (2 of 5)
39.8K views
May 5, 2013
YouTube
Michel van Biezen
5:50
Concave Mirror Focal Length by u-v Method - MeitY OLabs
524.2K views
Feb 8, 2017
YouTube
amritacreate
1:48
installing a focal reducer
17.9K views
Jan 1, 2012
YouTube
astroearth
5:07
Back-Focus 101: Celestron SCT wIth Celestron f/6.3 Reducer/Corrector
84.3K views
Apr 29, 2020
YouTube
AstroBlender
21:01
Displacement Method for finding Focal Length of Convex Lens Clas
…
14.9K views
Nov 3, 2020
YouTube
Kamaldheeriya Maths easy
12:42
Example: Two-Lens Imaging with converging lenses
23.4K views
May 9, 2022
YouTube
Jordan Edmunds Chetty
6:43
Astrophotography: Setting Up My Image Train with Proper Back Focus
9.9K views
Nov 1, 2022
YouTube
Marks Astro Journey
See more videos
More like this
Feedback