SVBONY SV172 Lens Warmer, 400mm Lens Heater Warmer Dew, 3 Gear Regulator Temperature USB Universal Dew Heater Strip for Telescope Camera - Product Features
- Universal lens warmer;Lens Warmer prevents telescope camera lens from fogging dew by warming up the lens on a camera or telescope; it also warming up water bottle and use as a knee strap
- USB port design ;1.8m usb cable length you can connect it your power bank or any other power source with a USB port; 1.9A to 2.0A input current; 5V input voltage
- Temperature regulator adjustable; strong medium weak heating modes that you can adjust the temperature according to your requirements
- Design for telescope; 50mm bandwidth does not affect the focusing and no dark angle of the field of view; fit lens outer diameter below 127mm
- Heating fast and evenly;built in aluminum make heating evenly; Alloy fiber heating wire provides super fast; Three layer insulation material to reduce heat dissipation
HDCRYSTALGIFTS Color Cube Prism 20mm K9 Optical Crystal Glass Polyhedron RGB Dispersion Prism for Physics,Photography,Desktop Decoration - Product Features
- Size 0.8*1 inch (2*2.5cm),nw 19g,please pay attention to the size, it's small.Easy to carry, you can carry it in your pocket or backpack. Even on the desktop, it doesn't take up much space
- RGB optical prism cube is a cube made of colored glass panels,which is not easy to fade and scratch resistant, thus ensuring maximum use in the next few years.It can manipulate light through light refraction to form a kaleidoscope-like pattern. With its exquisite and unique design, even if you are in the same place, you can enjoy various colors from different angles; a truly great visual experience
- If the sun isn't shining, you can use a flashlight. Just position your prism so that the light shines through it, and there should be rainbows dancing on the opposite wall
- The exquisite decoration on any surface or table of multi-dimensional cubes can exude a pleasant optical entertainment effect, everyone will enjoy and be fascinated
- Glass cube prism ideal for teaching of optics, science experiments, and for photography.Suitable for anybody to explore colorful spectrum or to add effects to your photos.Also it is packed in a nice gift box,perfect gift idea for anyone
Eisco Labs Acrylic Semicircular Block, 3 1/2"x9/16" (90x16mm) - Product Features
- Polished sides
- Durable for classroom use
- Works well in ray box experiments (Eisco Labs part number PH0602A)
- works well with low power monochromatic light source
Rainbow Symphony Diffraction Grating Slides - Linear 1000 Line/Millimeters, Package of 25 - Product Features
- Makes the study of light and color fun and unforgettable
- Features highly efficient embossed Holographic Optical Elements
- Used for the direct viewing and analysis of spectra from different gas tubes and other light sources
- Spectrum produced from our gratings is the brightest possible with a minimum of distracting visual noise
- Great for overhead projector or 35mm slide projectors
Mixed Pollen Grains Slide, w.m. - Product Features
- Microscope slide of stained
- mixed pollen grains.
- When you shop with Carolina, you're not alone! All of our products are backed by unparalleled technical support, available from 8am to 6:30pm, ET, Monday through Friday. Live chat is available from 8am to 5:30pm ET, Monday-Friday. Contact information (Live Chat, email, and phone) is provided after placing your order at Amazon.
WEROUTE The Human Muscular System Chart Hanging Scroll Frame Canvas Print Human Anatomical Poster (16.5 x25) - Product Features
- Advantage The poster can be easily rolled without additional damage and stored or the hanging twine is perfectly intact for displaying. The colorful canvas print with clear Image. Easy to hang, fold and clean.
- Material Tear Resistant, Be made of high quality canvas, tough structure, not easy to fade. In particular, the wooden pole on both sides are primitive, without any processing or applying, presenting the most natural effects.
- Promise We promise to show you the finest canvas print banner, the fastest ship, the best customer service. If you are not satisfied, please contact us, we will attain significance to your feedback .
- Note The frames shown in the image included with the poster.
- Size 16.5 x 25 inch
2 Piece Optical Glass Lens Concave Convex Set for Physics Teaching - Product Features
- Material: optical glass
- The refractive index of Lens made of optical glass is better than those made of acrylic.
- Contents:Double convex lens, Double convex lens.
- Good for demonstrating optical principles and effects for students.
- Quantity: 2PCS
Saihisday 3Pcs Insect Pinning Board Specimen Display Panel EVA Foam Boards, Specimen Spreading Board Butterfly Spreading Wings for Science Education Project/Bugs Collection - Product Features
- Foam Core Board: The Insect Pinning Board uses high-density solid EVA foam blocks. Light weight, rugged.
- Bug Pinning Kit: The Foam Board is suitable for making insect specimens such as butterflies, moths, spiders, cicadas, damselflies, dragonflies, beetles, bugs and more. Easy to use, insect pins stick to foam easily and are ideal for spreading and drying butterfly wings.
- Pin Collection Display: Practical and convenient, small and light, can be carried anywhere, anytime. The durability of the Insect Display Board ensures that the pins hardly leave any visible holes.
- Insect Pinning Kit: The Insect Display Kit is suitable for a variety of occasions, such as collecting insects, making specimens, holiday decorations, school laboratory science insect education projects, etc.
- Package Contents: You will receive 3 white foam boards that measure 8.66 x 6.29 x 1.57 inches each, enough to supply 1 arts and crafts project or multiple ones.
EISCO 12PK Raw Porphyritic Granite, Igneous Rock Specimen - Approx. 1"- Geologist Selected & Hand Processed - Great for Science Classrooms - Product Features
- PORPHYRITIC GRANITE | Granite forms slowly in shallow or evolved magma chambers, and is also commonly found as magmatic intrusions in the crust. The large crystals are indicative of a slow cooling rate, and make mineral identification simple
- GREAT FOR GEOLOGY CLASSROOMS | A must-have sample when discussing rock types, the rock cycle, and the formation, classification, and identification of igneous rocks. This set of twelve samples is excellent for group study and examination
- GEOLOGIST SELECTED | Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features
- LOCALLY PROCESSED | Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY
- INDIVIDUALLY PACKAGED & LABELED | Each specimen sample is packaged in a transparent bag, and is labeled & barcoded for easy identification
Labzio - Shoulder joint model with muscle and ligament, comes with a deatiled key card - Product Features
- This allows demonstration of the rotator cuff's role in both fixing the humerus in the glenoid cavity and depressing it during elevation.
- The detailed model demonstrates the infraspinatus, teres minor, teres major, subscapularis and supraspinatus muscles; acromion, clavicle, humerus and scapula bones; plus the related ligaments and tendons.
- This model makes it easy for students to learn and patients to understand their problems.
- Comes on a base with a deatiled key card to show different parts of the joint.It shows the posterior and the anterior view.
- Made of high quality PVC plastic which is which is corrosion and rust resistant and is durable.
Watch Crystal Replacement Fossil Glass Lens for Watches Crystals 3cm 365mm 315 mm x 1 Wrist watchcrystalreplacement 35mm Flat Acrylic Plastic Assortment 29mm Mineral 2mm Assorted - Product Features
- Advantage The flat watch glass lens has highly transparent, smooth treatment, no scratches, smooth surface and high temperature .
- With thickness of 1.2mm/0.05in, which makes it more convenient to fit the watch frame perfectly.
- Make sure this fits by entering your model number.
- Professional manufacturing, superb craftsmanship and high accuracy help to provide the best performance.
- Highly transparent, smooth treatment, no scratches, smooth surface and high temperature .
Concave Mirror, 2" (50mm) Diameter, 50mm Focal Length - Round - Glass - 3.3mm Thick Approx. - Eisco Labs - Product Features
- This round concave glass mirror is designed for physics and educational uses.
- It is approximately 2\" (50mm) diameter and 3.3mm 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.
- 50mm Focal Length
- Bulk lens and mirror sets available upon request.
TEYOUYI Dew Shield for ZWO Seestar S50 Telescope Accessories for ZWO Seestar S50?Only Compatible with TPU Made Cap Cover and Bahtinov Mask Focus Black - Product Features
- The dew shield portion is 100mm long (2.7 inches) and the entire product is approximately 107mm long (3.1 inches). Push the dew shield into the front opening of the ZWO Seestar S50 telescope with a slight twist.
- This is a Dew Shield for use in the ZWO Seestar S50 telescope, which will prevent dew from forming on the lens while you're out using the telescope in humid areas.You can get work with a small strip of masking tape on the rim.
- Packaging content:1pcs Dew Shield for ZWO Seestar S50 telescope.The dew shield is made of an eco-friendly plastic called PLA
- OUR PROMISE In the unlikely event you are not pleased with your purchase, neither are we! Please contact us and we will go out of our way to fix it.
Taction Professional Fiberglass Fingerprint Brush, White (Includes Protective Tube case) - Product Features
- FINALLY GET TRUSTED AND PROFESSIONAL MAGNETIC FINGERPRINT BRUSHES FOR FORENSICS PURPOSES ON AMAZON!
- HIGH QUALITY WHITE FIBERGLASS FINGERPRINT BRUSH - PERFECT FOR THE MOST COMMON FINGERPRINT LIFTS USING ANY COLOR POWDER.
- THIS FIBERGLASS FINGERPRINT FORENSIC BRUSH IS CURATED BY ACTIVE DUTY US LAW ENFORCEMENT AND CRIME SCENE PROFESSIONALS.
- COMES IN A STURDY CLEAR PLASTIC CASE FOR EASY BRUSH IDENTIFICATION ON SCENE
- Cost Effective and NO long wait times or minimum orders like the other specialty companies.
Vbestlife 5X Barlow Lens, M28.6 Threaded Stereo Microscope Auxiliary Objective Lens Suitable for 1.25in 31.7mm Astronomical Telescope Eyepieces - Product Features
- HIGH DEFINITION: Magnification barlow lens adopts high definition 5x magnification, helps you see clearer and farther.
- EXCELLENT PERFORMANCE: The auxiliary objective lens features a broadband coated lens with excellent image contrast and light transmission.
- PREMIUM MATERIAL: The microscope auxiliary objective lens is made of aluminium alloy and is robust, lightweight and .
- APPLICABLE: Camera lens with thread, M28.6x0.6mm pitch. Suitable for 1.25in / 31.7 mm astronomical telescope eyepieces.
- PRACTICAL ACCESSORY: Microscope camera lens can double total magnification power of your microscope and reduce the focus length. Nice accessory for astronomy lovers.