Apalapse
Astrophotography 101 - Lens Guide and Recommendation (updated for 2021)
Three years ago I made an astrophotography lens guide and ever since I've received dozens of requests for a more detailed, updated guide for 2020. In this video I provide a comprehensive list of my favorite astrophotography lenses for...
Vlogbrothers
How We Teach: Individualist Stories
I'm sorry if this one is dense! Rarely do I feel like I really need more than four minutes, but this time I did!! Two things I've been thinking about: 1. When I say that shared worldviews and knowledge helps us communicate and work...
Curated Video
Understanding Convex and Concave Lenses
This video provides an introduction to the structures and actions of two different types of lens - convex and concave lenses. The video also explains the focal length of each type of lens and how to obtain the principal focus for each.
Ancient Lights Media
Understanding Refraction in Animals
Refraction Set: 3. This clip looks at the role of refraction in animals. Examples include the lenses of the eye and structural coloration.
Let's Tute
Understanding Concave and Convex Lenses through Simulation
This video explains the concepts of myopia and hyperopia and how they can be corrected using concave and convex lenses. It also provides a simulation tool to help students understand the focal length, position, nature, and size of images...
msvgo
Spherical Lenses
It explains two types of spherical lenses; convex and concave lenses. It also explains technical terms related to them.It also describes the converging property of convex lens and diverging property of concave lens.
msvgo
Refraction at a spherical surface
It expresses the lens maker formula and lens formula,explains refraction by lens,power of lens,combination of thin lenses in contact.
Catalyst University
Lab Exercise 2: Microscopes and Cell Shapes
Lab Exercise 2: Microscopes and Cell Shapes
Infognostica
Positive psychology (Part 2) - Just a matter of perspective...
Our prejudices are often outdated and unecessary. Putting these lenses down can be liberating...
msvgo
Optical instruments
It about the optical devices-the eye, telescope, image beyond 2F length, image at infinity and telescope.
msvgo
Lens Formula, Magnification and Power
It describes sign convention for spherical lenses, lens formula and its application, magnification and power of a lens.
Journey to the Microcosmos
BONUS VIDEO The Microcosmos Microscope
BONUS VIDEO The Microcosmos Microscope
Curated Video
Understanding Concave Lenses: Formation and Types of Images
This video is an educational lecture that explains the properties of concave lenses, how they form images, and the type of images they create. The video describes the definition of a lens and how it refracts light as it crosses the...
Physics Girl
World’s Largest Camera Lens
The world's largest digital camera is currently being assembled at a warehouse in California. We caught the short window of time to see the camera's massive lens.
Curated Video
How Do Lenses Work?
This video provides a basic understanding of lenses, explaining how they work to focus light and form images. It covers the different types of lenses, their uses in various devices, and even highlights how our own eyes function as...
Curated Video
Convex Lenses: Refraction and Image Formation
The video is a lecture on convex lenses, explaining the way they work to bend and focus light. The speaker defines what a lens is, describes how convex lenses function, explains how to construct a ray diagram with a convex lens, and...
DoodleScience
Diverging Lenses _ GCSE Physics
A diverging lens is sort of like the opposite of a converging lens because it curves inwards instead of outwards. It is represented with this symbol, interesting I know. Diverging lenses refract the light in a way, which makes them...
Mazz Media
Refraction
Through live action footage and animated diagrams students will come to understand that refraction is the bending of light rays when they go from one medium to another medium of different density. The program explains why light refracts...
Curated Video
Introduction to Germanium: Properties and Applications
This video provides an overview of the element germanium. It describes the physical properties of germanium and its discovery by Clemens Winkler. The video also discusses the various uses of germanium, such as in semiconductors, optical...
Visual Learning Systems
Using Light: Concave and Convex Lenses
This video examines the various uses of light and the role of different types of lenses in light refraction. The way in which eyeglasses, contact lenses, and binoculars manipulate light to allow us to see better is illustrated. Other...
Mazz Media
Using Convex Lenses to Magnify
Using animation and real world examples, this video explores the change in kinetic energy of particles with heating and cooling that produces expansion and contraction and change in density in matter. Students will observe and come to...
Visual Learning Systems
Light: Mirrors and Lenses
Upon viewing the Light video series, students will be able to do the following: List some of the reasons light is important to all living things. Understand that light is a type of energy. Describe how light behaves both as a wave and as...
TMW Media
Magical Glass Technology: Learn how glass helps telecommunications and eyeglasses
What is the difference between making cubes for optical fibers and eye glass lens? What is multiplexing? Magical Glass Technology, Part 3