Amlong Crystal Premium Optical Glass Double Convex and Concave Lens Set, 75mm Diameter, 20cm Focal Length, 2 Pieces Set - Product Features
- High Accuracy and Precision
- Made from High Grade Optical Glass
- Double Convex Lens 75mm Diameter, 20cm FL and Double Concave Lens 75mm Diameter, 20cm FL
EISCO Labs Economy Spectroscope Tube, Pack of 6 - Product Features
- Great for classroom use
- Identify constituent wavelengths of light
- Introduction to many properties of light and optics
- Each spectroscope measures 10.25\" long. Body has a diameter of 1\", and ends have a diameter of 1.15\"
Equal Mass (30g) Cylinders, Set of 5 Metals, Varied Lengths and 0.5" Diameter Aluminum, Copper, Tin, Zinc, Lead - for use with Density, Specific Gravity, Specific Heat Activities - Eisco Labs - Product Features
- Materials included are: Aluminum, Copper, Tin, Zinc, Lead
- Varied Lengths and 0.5\" Diameter
- Intended for use with Density, Specific Gravity, Specific Heat experiments
- Where measurements are in both metric and imperial, the metric measurements are generally more accurate (the imperial are provided as a general reference).
- These are designed to be used in an educational setting and are not fabricated using ultra high precision machining. Expect tolerances in the +/- 5% range of any stated dimensions (although they are generally much tighter).
Anand traders 75mm refractor telescope making kit - Product Features
- 75mm achromat doublet objective
- 25mm and 10mm eyepieces
- Good for planetary and deep sky observations
- Made in India.
Diaphragm with 4 Double Slits of Different Spacings - Product Features
- Great for classroom demonstration
- Simple and easy to use
- 2\" x 2\" x 0.4\"
10 Pack Rectangular Plano Glass Mirror, 4" x 3" - 2.5mm Thick Approx. - Eisco Labs - Product Features
- This rectangular plano glass mirror - pack of 10 is designed for physics and educational uses.
- It is approximately 4\" x 3\" and 2.5mm thick. Note, thickness varies as they are not designed to be consistent in that respect.
- Because of their educational use design, there may be minor imperfections that do not affect physical function.
Optical Glass Rectangle: 3.9" (115mm) X 2.6" (65mm) X 0.7"(18mm), Made of high Quality Optical Glass - Product Features
- Product is for studying refraction and geometrical optics in physics and physical science classes
- Optical glass polished and worked on all surfaces
- Glass is free from bubbles and imperfections
- All edges have slight bevel
- Perfect for teaching physics students the principles of refraction
20 PCS Insect Specimen Tools Kit 4 Wooden Display Case Box with Clear Top 10 Sheets Thin Tracing Paper 2 EVA Foam Pinning Board 200 Pins 2 Tweezers 1 Scissors Tools for Bugs Collection - Product Features
- Complete Kit: Our insect specimen tool kit includes everything you need to create bug specimens. It includes 4 wooden display case boxes, 10 sheets of thin tracing paper, 2 EVA foam pinning boards, a box of 200 pcs pins, 2 tweezers and 1 U-shaped scissors
- High Quality: The 2 pinning boards measure about 7.87 x 5.9 inches and are light yet strong, providing a sturdy base for your insect specimens. The thin tracing paper, measuring 8.2 x 5.6 inches, ensures delicate handling during the mounting process
- Precise Tools: The stainless steel pins are durable, not easy to break or deform, allowing you to securely mount your insects. The tweezers enable precise handling and mounting, the U-shaped scissors are perfect for cutting and shaping the tracing paper
- Perfect Display: The wooden display case boxes, measuring about 3.3 x 3.3 x 2 inches, provide ample space to showcase your specimens. The transparent top design offers a crystal-clear view of your insect collection, making it a visually stunning display
- Perfect Gift: This insect specimen tool is a great gift for nature lovers, entomologists, or anyone with a curiosity for the natural world. With all the necessary tools included, they can effortlessly collect, preserve, and display their favorite insects
Celticbird Finder Scope Guiding Scope Ring Kit for Astronomical - Adjustable for Telescope Tube Diameter or Finders 5mm-38mm - Product Features
- The laser made of high quality aluminum rather than plastic. And surface has precisely black oxide finish process.
- Laser pointer dia. 5mm to 38mm. Compatible with laser pointers of various sizes.
- Turn your laser pointer into a versatile tool with our heavy-duty dual-ring. Perfect for use with finderscopes or other accessories, this ring will help you take your stargazing to the next level.
- Three-point adjustment knurled knobs help make alignment fast and easy.
- Fit the dovetail on most telescopes, including popular brands like Celestron, Sky-watcher, Vixen, and more.
J&C Telescope Cover Outdoor Scope Cover Dustproof DSLR Camera Covers Lightweight Patio Telescope Covers Dust Cover Telescope Case Scope Dust Cover (Blue) - Product Features
- Dust proof protect your outdoor telescope from dust, leaves and droppings. Suitable for indoor and outside usage.
- Windproof velcro at the bottom fix scope case in the tripod firmly, avoid blow off by wind.
- Note no coating inside, NOT waterproof, just dustproof for indoor use.
- Package include 1 scope case + 1 storage bag. Telescope or tripod is NOT included.
Concave Lens Set, Premium Optical Glass Double Convex and Concave Lens Set, 30mm Diameter, 3 Double Convex, 6 Piece Set - Product Features
- Concave lens diffraction grating lenticular sheet binoculars fresnel lens round glasses science lenses diffraction sheet pocket telescope lenses science convex and concave lenses physics: lab uses
- Round glass: widely use: used in scientific experiments and classroom demonstrations.
- Glass lens: - wide range of application: the magnifying glass convex lens is not suitable for physics classrooms, a accessory for scientific experiments, but also at home. grandparents with presbyopia or reduced can use it to read newspapers or books.
- Round: optical lens: made of high- quality optical glass, with and high precision, it can be used for a long time.
- Diffraction grating: useful for many physics classroom demonstrations and experiments.