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Optics
  1. Home
  2. Industrial & Scientific
  3. Science Education
  4. Optics
  5. EISCO Double Convex…
EISCO

EISCO Double Convex Lens 300mm Focal, 3" Diameter | Optically Worked Glass for Physics Classrooms

EISCO Double Convex Lens 300mm Focal, 3" Diameter | Optically Worked Glass for Physics Classrooms - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹2,460₹4,280

You save ₹1,820 (43%)

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EISCO Double Convex Lens 300mm Focal, 3" Diameter | Optically Worked Glass for Physics Classrooms — Transparent
Transparent
₹2,460
₹4,280
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Estimated doorstep delivery by 21 Nov - 23 Nov from USA

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Superior Optical Performance at Competitive Price

About this item

EISCO Double Convex Lens is a high-quality optical glass lens with a 300mm focal length and 3" diameter, available in India through CrowCrowCrow. It features ground edges and a polished finish, making it ideal for physics classroom demonstrations involving light refraction and optics principles.

Made of optically worked glass, this lens provides clear, true images and is highly polished for precision. Its spherical shape and ground edges ensure accurate refraction experiments, helping students visualize light behavior effectively. Reviewers in Indian classrooms report consistent performance in optics experiments, with no issues of distortion or damage.

Imported from the USA, this lens arrives in India in 11-13 days with all duties included, offering a reliable, durable option for physics educators and students seeking authentic scientific equipment at competitive prices.

Key Features

  • DOUBLE CONVEX || Highly polished, double convex lens
  • SPHERICAL || Lens measures 3" (75mm) in diameter
  • 300MM FOCAL LENGTH || Converging lens with a 300mm focal length
  • OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges
  • GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction

Why choose this product

Optically Worked Glass for Precise Demonstrations

This lens is crafted from high-quality, optically worked glass, ensuring clear, true images essential for physics experiments. Ground edges and polished finish enhance safety and performance, making it superior to cheaper plastic or unpolished alternatives used locally.

Ideal for Indian Physics Classrooms & Demonstrations

Designed for educational use in India, this lens withstands classroom handling and offers consistent refraction results. Arrives in 11-13 days with duties included, providing reliable, authentic optics equipment for students and teachers.

How to use

  • Handle with Care — Use both hands when handling the lens, avoid dropping or knocking edges to maintain optical quality and safety.
  • Set Up for Demonstration — Place the lens on a stable, clean surface, align with light sources, and adjust distance for clear refraction images.
  • Clean & Store Properly — Use a soft, lint-free cloth to clean the lens surface; store in a protective case to prevent scratches and damage.

Example scenarios

Typical situations where EISCO Double Convex Lens 300mm Focal helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

Physics teacher in Delhi needs a durable lens for optics demonstrations, frequently handling equipment.

How this product helps

Imported from the USA, this lens arrives in 11-13 days in factory-sealed condition, providing consistent, safe optics for daily classroom use, saving costs on replacements.

Specifications

Composition

MaterialOptically worked glass
EdgesGround and polished
TypeSpherical converging lens

Usage

Recommended forPhysics classrooms, optics demonstrations
Refractive indexN/A
Shelf life after arrivalUnspecified
Reapplication mathN/A
ContraindicationsHandle with care, avoid dropping
Allergens / irritantsNone
Cost per use₹2,460 per piece

How we compare

FeatureEISCO Double ConvexOthers
Material & FinishHigh-quality optically worked glass, ground edges, polished finishPlastic or unpolished glass lenses, lower safety standards
Focal Length & Diameter300mm focal length, 75mm diameterVaries, often shorter focal lengths, smaller diameters
Safety & DurabilityGround edges, polished finish, optically preciseUnpolished, cheaper materials, higher risk of chipping
Price & Import₹2,460 per piece, duties included₹500-₹1500, variable quality, no import guarantee

Product details

SKUupg1646
GTIN0849230043162
BrandEISCO
MaterialGlass
Diameter75 mm (3 inches)
Focal Length300 mm
ShapeDouble convex

About EISCO

EISCO specializes in high-quality science education equipment, trusted worldwide for precision optics and classroom demonstration tools.

Compliance & Legal

This product is a scientific educational tool, not a medical device. Handle with care, avoid dropping.

Customer Reviews

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FAQ, See What Others Asked

Is this magnifying lens safe for classroom use in India?
Yes, this high-quality glass lens is optically worked with ground edges and polished finish, ensuring safety and durability for physics classroom demonstrations in India, arriving in 11-13 days with duties included.
How to choose the right convex lens for physics experiments?
Select a lens with a focal length suitable for your demonstration needs; this 300mm focal length lens offers clear refraction, ground edges for safety, and arrives in India in 11-13 days.
Can I use this lens for light refraction experiments in India?
Absolutely, this optically worked, spherical convex lens is designed for physics experiments involving light refraction, providing accurate images and safe handling for Indian classrooms.
What is the best way to buy authentic optics equipment in India?
Order from CrowCrowCrow, which imports genuine US-made science equipment, arrives in 11-13 days, duties included, with a 14-day Smile Guarantee and factory-sealed packaging.

Frequently bought together

EISCO Double Convex Lens 300mm Focal, 3" Diameter | Optically Worked Glass for Physics Classrooms

This item:

EISCO Double Convex Lens 300mm Focal, 3" Diameter | Optically Worked Glass for Physics Classrooms

₹2,460

EISCO Double Convex Lens 300mm Focal, 3" Diameter | Optically Worked Glass for Physics Classrooms

This item

EISCO Double Convex Lens 300mm Focal, 3" Diameter | Optically Worked Glass for Physics Classrooms

₹2,460

Total price:

₹9,740

You save ₹4,640 (32%) Extra

3 items selected

3 items

₹9,740

You save ₹4,640 (32%) Extra

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Brand NameEISCORainbow SymphonyEXBEPEStayMaxJIATONGREOTEMPZWCP
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹2,460₹4,280

You Save ₹1,820

Estimated doorstep delivery by 21 Nov - 23 Nov from USA
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Your Order Journey: From Purchase to Doorstep

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You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

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₹7,380+ (3× the price)
₹2,460 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
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One price in INR, no customs charges at delivery
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11-13 days · live tracking
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