A student places a candle flame at a distance of about 60 cm from a convex lens of focal length 10 cm and focuses the image of the flame on a screen. After that he gradually moves the flame towards the lens and each time focuses the image on the screen. - Science | Shaalaa.com
A student places a candle flame at a distance of about 60 cm from a co…
Sep 15, 2024
shaalaa.com
FOCAL LENGTH COMPARISON - What is focal length?
FOCAL LENGTH COMPARISON - What is focal length?
Dec 9, 2024
digitaltravelcouple.com
What is Focal Length? Essentials with Examples
What is Focal Length? Essentials with Examples
Mar 5, 2025
studiobinder.com
Understanding Focal Length and Field of View
Understanding Focal Length and Field of View
Nov 28, 2019
edmundoptics.com.au
Understanding Focal Length and Field of View
Understanding Focal Length and Field of View
Nov 26, 2019
edmundoptics.com
Understanding Focal Length and Field of View
Understanding Focal Length and Field of View
Oct 19, 2020
edmundoptics.in
Camera lenses, focal length & field of view explained
Camera lenses, focal length & field of view explained
Feb 13, 2020
visualeducation.com
26:06
Camera Lenses Explained: Focal Length, Crop Factor, Aperture & M…
290 views2 months ago
YouTubeFreewell Gear
0:32
Day 2 shooting the lens focal length comparison video #lens #lens
1 views1 month ago
YouTubeBBTHEDP
0:44
Shooting a lens focal length comparison video
1.4K views1 month ago
YouTubeBBTHEDP
6:29
Distances in Space
238.9K viewsMar 20, 2010
YouTubeRGPhysics
18:13
Convex and Concave Lenses
4.3M viewsMar 4, 2019
YouTubeManocha Academy
5:12
Camera Basics - Focal Length
801K viewsMay 1, 2017
YouTubeApalapse
2:32
Explained! Focal Length vs Zoom?
85.4K viewsJan 31, 2017
YouTubeZY Cheng
7:31
Focal Length Explained 1 - Don't just zoom - MOVE!
1.3M viewsSep 27, 2012
YouTubeMike Browne
15:56
Camera Lenses Explained for Beginners
841.1K viewsOct 17, 2017
YouTubeThink Media
9:58
Optics Tutorial - 2 - Lens and focusing basics
226.1K viewsAug 25, 2011
YouTubeopticsrealm
6:21
Focal Length Explained! Why does it MATTER?
808.7K viewsJan 6, 2020
YouTubeSaurav Sinha
19:49
Crop Factor TRUTH: Do you need Full Frame?
2.6M viewsFeb 9, 2019
YouTubeTony & Chelsea Northrup
2:04
Vortex Riflescopes: First vs. Second Focal Plane
648.3K viewsMay 16, 2012
YouTubeVortex Optics
8:53
Focal Length Explained | Learn Photography in Hindi
309.1K viewsMar 21, 2021
YouTubeKunal Malhotra
4:53
Focal Length Explained - Physics of Lenses
17.1K viewsNov 18, 2016
YouTubeWedgwood Tutors
5:00
A Videographer's Guide to Lenses - Focal Length and Field of View
16.6K viewsDec 28, 2018
YouTubeVideomaker
13:55
35mm vs 50mm vs 85mm Lens Comparison for Portrait Photogra…
4M viewsJun 27, 2019
YouTubeJessica Whitaker
11:46
How to calculate focal length of a lens
11.3K viewsFeb 27, 2017
YouTubeKris Bochenek
4:45
Physics - Optics: Lenses (1 of 4) Converging Lens
314.2K viewsApr 30, 2013
YouTubeMichel van Biezen
9:03
What Every Photographer Should Know About Lenses: Focal Lengt…
179.2K viewsAug 7, 2014
YouTubeEnvato Tuts+
2:17
Understanding Collimation to Determine Optical Lens Focal Len…
186.6K viewsOct 5, 2011
YouTubeEdmund Optics
5:37
Focusing a Diode Laser Quickly - Featuring the Ortur Laser Master 2
79.2K viewsJan 19, 2021
YouTubeThe Edge of Tech
6:39
Which Prime Lens Should You Buy? – Focal Lengths Compared
1.6M viewsFeb 26, 2021
YouTubeMitch Lally
See more videos
Static thumbnail place holder

Shop Lens Focal Length Distance Comparison

Sponsored
About our ads
$1,999.00
Venus Optics 200mm F/2 AF FF Telephoto Prime Lens (Sony E, Gray)
B&H Photo-Video-Pro A
Free shipping
$1,999.00
Venus Optics 200mm F/2 AF FF Telephoto Prime Lens (Sony E, Gray)
B&H Photo-Video-Pro A
Free shipping
$1,099.00
Nikon AF-S NIKKOR 200-500mm F/5.6E ED VR Lens (Refurbished)
B&H Photo-Video-Pro A
7
$1,099.00
Nikon AF-S NIKKOR 200-500mm F/5.6E ED VR Lens (Refurbished)
B&H Photo-Video-Pro A
7
$2,099.00
Canon EF 14mm F/2.8L II USM Lens
B&H Photo-Video-Pro A
154
Free shipping
$2,099.00
Canon EF 14mm F/2.8L II USM Lens
B&H Photo-Video-Pro A
154
$1,396.95
Nikon AF-S NIKKOR 24mm F/1.4G ED Lens
B&H Photo-Video-Pro A
161
Free shipping
30% off
$1,396.95
Nikon AF-S NIKKOR 24mm F/1.4G ED Lens
B&H Photo-Video-Pro A
161
$1,996.95
Nikon AF-S NIKKOR 300mm F/4E PF ED VR Lens
B&H Photo-Video-Pro A
164
Free shipping
$1,996.95
Nikon AF-S NIKKOR 300mm F/4E PF ED VR Lens
B&H Photo-Video-Pro A
164
$10,599.00
Canon RF 100-300mm F/2.8 L IS USM Lens (Canon RF)
B&H Photo-Video-Pro A
25
Free shipping
$10,599.00
Canon RF 100-300mm F/2.8 L IS USM Lens (Canon RF)
B&H Photo-Video-Pro A
25
$696.95
$826.95
Nikon AF-S DX NIKKOR 18-300mm F/3.5-6.3G ED VR Lens
B&H Photo-Video-Pro A
184
Free shipping
15% off
$696.95
$826.95
Nikon AF-S DX NIKKOR 18-300mm F/3.5-6.3G ED VR Lens
B&H Photo-Video-Pro A
184
$1,298.00
Sony FE 24-50mm F/2.8 G Lens (Sony E)
B&H Photo-Video-Pro A
15
Free shipping
$1,298.00
Sony FE 24-50mm F/2.8 G Lens (Sony E)
B&H Photo-Video-Pro A
15
$2,599.00
Canon RF 24-70mm F/2.8 L IS USM Lens
B&H Photo-Video-Pro A
2
Free shipping
$2,599.00
Canon RF 24-70mm F/2.8 L IS USM Lens
B&H Photo-Video-Pro A
2
$1,099.00
Canon RF 28-70mm F/2.8 IS STM Lens (Canon RF)
B&H Photo-Video-Pro A
Free shipping
12% off
$1,099.00
Canon RF 28-70mm F/2.8 IS STM Lens (Canon RF)
B&H Photo-Video-Pro A
Free shipping
$1,198.00
Sony E 70-350mm F/4.5-6.3 G OSS Lens
B&H Photo-Video-Pro A
98
Free shipping
$1,198.00
Sony E 70-350mm F/4.5-6.3 G OSS Lens
B&H Photo-Video-Pro A
98
$1,249.00
Canon RF 100mm F/2.8 L Macro IS USM Lens
B&H Photo-Video-Pro A
2
Free shipping
$1,249.00
Canon RF 100mm F/2.8 L Macro IS USM Lens
B&H Photo-Video-Pro A
2
$1,999.00
Canon EF 16-35mm F/2.8L III USM Lens
B&H Photo-Video-Pro A
156
Free shipping
$1,999.00
Canon EF 16-35mm F/2.8L III USM Lens
B&H Photo-Video-Pro A
156
$1,499.00
Canon RF 50mm F/1.4 L VCM Lens (Canon RF)
B&H Photo-Video-Pro A
18
Free shipping
$1,499.00
Canon RF 50mm F/1.4 L VCM Lens (Canon RF)
B&H Photo-Video-Pro A
18
$1,099.00
Canon RF 800mm F/11 IS STM Lens
B&H Photo-Video-Pro A
143
Free shipping
$1,099.00
Canon RF 800mm F/11 IS STM Lens
B&H Photo-Video-Pro A
143
$1,549.00
Canon RF 24mm F/1.4 L VCM Lens (Canon RF)
B&H Photo-Video-Pro A
13
Free shipping
$1,549.00
Canon RF 24mm F/1.4 L VCM Lens (Canon RF)
B&H Photo-Video-Pro A
13
$8,646.95
Nikon NIKKOR Z 58mm F/0.95 S Noct Lens
B&H Photo-Video-Pro A
5
Free shipping
$8,646.95
Nikon NIKKOR Z 58mm F/0.95 S Noct Lens
B&H Photo-Video-Pro A
5
$14,449.00
Canon EF 600mm F/4L IS III USM Lens
B&H Photo-Video-Pro A
24
Free shipping
$14,449.00
Canon EF 600mm F/4L IS III USM Lens
B&H Photo-Video-Pro A
24