CrowCrowCrow
CrowCrowCrow
Search products...
My Orders
Gold
Cart
  • Clearance
  • Exclusive
  • China Market
  • Coins
  • Brands

Looking for an imported product?

We can arrange it. Send the name or a store link on WhatsApp — we'll check if we can source it and quote the all-in India price.

WhatsApp Us
CrowCrowCrow

Free Shipping

Standard delivery, all India

Secure Packaging

Factory-sealed, damage-safe

About

  • About CrowCrowCrow
  • How It Works
  • Careers
  • Press & Media
  • Sustainability
  • Blog & Guides
  • Why Choose CrowCrowCrow

Buyer Help

  • Contact Us
  • Track Order
  • Customs & Duties
  • Size Guide
  • Payment Options
  • FAQs
  • Buyer Protection

Our Policies

  • Privacy Policy
  • Shipping Policy
  • Terms and Condition
  • Return and Refunds Policy
  • Cancellation Policy

Programs & B2B

  • Clearance Sale
  • Rewards ProgramSoon
  • Refer a FriendSoon
  • Student DiscountSoon
  • Affiliate ProgramSoon
  • CCC Membership
  • Wholesale & B2B
  • Corporate Gifting
  • Free Tools
  • Price Match

Connect With Us

Payment Methods

Visa
Mastercard
RuPay
Amex
UPI
Google Pay
PhonePe
Paytm

Shipping Partners

BluedartDelhiveryExpressBoxIndia Post
Cookie Policy··Disclaimer·DMCA·MCP for AI·Authenticity·Money-Back·Security

© 2026 Color Papers India Private Limited

Color Papers India Private Limited · 2nd Floor, Flat No. 2A, Vrindavan Building, MIDC Road, Opp. Saraswati Tower, Mira Road East, Mira Bhayandar, Thane, Maharashtra 401107, India · connect@crowcrowcrow.com

Help us give you a better experience. We use cookies to remember your cart, speed up checkout, and show you authentic US products worth importing. You stay in control — your data is handled per India's DPDP Act 2023. Cookie Policy

Optics
  1. Home
  2. Industrial & Scientific
  3. Science Education
  4. Optics
  5. Quarton CAY046 Laser…
Quarton

Quarton CAY046 Laser Diode Collimator Lens (NA:0.40, EFL:4.60 mm) | Acrylic, Short Distance Focus (70-120 chars)

Quarton CAY046 Laser Diode Collimator Lens (NA:0.40, EFL:4.60 mm) | Acrylic, Short Distance Focus (70-120 chars) - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹2,140₹3,000

You save ₹860 (29%)

29% off the seller list price

Qty

Estimated doorstep delivery by 4 Nov - 6 Nov from USA

Add on Google

Tested and Trusted · Always Original & 100% Imported

View trust tables•Know about trust badges
Sourced from US retailers
Sourced from US retailers
Factory-Sealed
Factory-Sealed
All Duties Included
All Duties Included
GST Invoice Issued
GST Invoice Issued
ExpressBox Tracked
ExpressBox Tracked
Secure Payments
14-Day Smile Guarantee
14-Day Smile Guarantee

High-Quality Laser Collimation at Competitive Price

About this item

Quarton CAY046 laser collimator lens is a high-quality acrylic lens designed for diode laser applications, supporting a numerical aperture of 0.40 and an effective focal length of 4.60 mm. It is nearly diffraction limited, making it ideal for scientific and industrial laser projects requiring fine focus at close distances.

Engineered specifically for laser collimation, this lens ensures a very fine dot at short distances, with a back focal length of 3.08 mm and a transmission rate of 90%. Its compact size and acrylic material make it suitable for precise optical setups in Indian laboratories and research centers.

Imported directly from the USA, Quarton lenses arrive in India via ExpressBox, with all duties paid. This ensures reliable quality and performance, supporting your laser projects with consistent results and quick delivery in 12-14 days.

Key Features

  • CAY046 is the most popular bi-aspheric plastic laser collimating lens which is nearly the diffraction limited.
  • CAY046 is designed specifically for use as a collimator in combination with a diode laser.
  • CAY046 is designed for making a more fine dot at short distance. The focus is very close.

Why choose this product

High-Quality Optical Design

Quarton CAY046 is nearly diffraction limited, ensuring minimal wave front error for accurate laser collimation. Its acrylic construction offers durability and high transmission, supporting precise scientific experiments and industrial laser projects in India.

Ideal for Short-Distance Laser Applications

Designed specifically for diode laser collimation, this lens creates a fine dot at close range, making it suitable for Indian research labs, educational setups, and laser projects requiring tight focus.

How to use

  • Align the lens with your diode laser — Secure the lens in your collimator mount, ensure proper focus distance, and adjust until a fine dot is achieved at close range.
  • Adjust for optimal focus — Use fine-tuning screws to achieve the smallest, brightest laser dot at your desired short distance, typically within a few centimeters.
  • Test and calibrate — Verify the collimation by measuring beam diameter at the focus point, repeat adjustments for best precision.

Example scenarios

Typical situations where Quarton CAY046 Laser Diode Collimator Lens (NA:0.40 helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

Research lab in Bangalore needing precise diode laser collimation for experiments

How this product helps

Imported Quarton lens arrived in 10 days, supported fine focus, improved laser accuracy, saving ₹ on local low-quality options.

Specifications

Composition

MaterialAcrylic

Usage

Recommended UseLaser diode collimation
ReapplicationNot applicable
Shelf LifeUnspecified
Support VoltageNot specified
Cost per use₹2,140 per pcs

How we compare

FeatureQuarton CAY046 LaserOthers
MaterialAcrylic, high transmission, durable, supports precise laser focusPolycarbonate or glass lenses, variable quality, often lower transmission
Focal Length & NAEFL:4.60 mm, NA:0.40 supports fine dot at close rangeGeneric lenses with wider focal lengths, less precise focus
Transmission RateSupports 90% transmission for efficient laser collimationOften 70-80%, affecting laser beam quality
Import & QualityImported from USA, arrives via ExpressBox, duties paidLocally sourced, variable quality, longer lead times

Product details

SKUynz9089
GTIN0705702366101
BrandQuarton
MaterialAcrylic
Lens Diameter7.4 mm
Numerical Aperture0.40
Effective Focal Length4.60 mm
Back Focal Length3.08 mm
Transmission90%
Storage Temperature-25 to 70 ℃
Operating Temperature5 to 65 ℃

About Quarton

Quarton specializes in optical components, providing high-precision lenses for scientific and industrial laser applications worldwide.

Compliance & Legal

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

Customer Reviews

Share your experience

Bought this from CrowCrowCrow? Other buyers want to hear how it went.

No reviews from buyers in India yet. Be the first to share your experience!

FAQ, See What Others Asked

Is this laser collimator lens acrylic or glass?
This Quarton CAY046 lens is made from acrylic, offering high transmission and durability for diode laser applications. It supports precise focus at short distances.
What is the focal length and NA of this lens?
The lens has an effective focal length of 4.60 mm and a numerical aperture of 0.40, supporting fine laser dot formation at close range.
Can I use this lens for industrial laser projects in India?
Yes, imported directly from the USA, Quarton lenses are suitable for industrial and scientific laser setups, arriving in India via ExpressBox with duties paid.
How long does it take for this lens to arrive in India?
Delivery in India typically takes 12-14 days, with all duties included, ensuring quick and reliable import support for your laser projects.
Is this lens compatible with 220V laser systems in India?
This lens is a passive optical component; voltage compatibility depends on your laser diode system, not the lens itself. It supports precise collimation regardless of voltage.
What are the key specifications of this collimator lens?
NA:0.40, EFL:4.60 mm, acrylic material, 90% transmission, supports short-distance laser collimation with high optical quality.

Frequently bought together

Quarton CAY046 Laser Diode Collimator Lens (NA:0.40, EFL:4.60 mm) | Acrylic, Short Distance Focus (70-120 chars)

This item:

Quarton CAY046 Laser Diode Collimator Lens (NA:0.40, EFL:4.60 mm) | Acrylic, Short Distance Focus (70-120 chars)

₹2,140

Quarton CAY046 Laser Diode Collimator Lens (NA:0.40, EFL:4.60 mm) | Acrylic, Short Distance Focus (70-120 chars)

This item

Quarton CAY046 Laser Diode Collimator Lens (NA:0.40, EFL:4.60 mm) | Acrylic, Short Distance Focus (70-120 chars)

₹2,140

Total price:

₹9,420

You save ₹3,680 (28%) Extra

3 items selected

3 items

₹9,420

You save ₹3,680 (28%) Extra

Product Comparison

Attributes
Current
Quarton CAY046 Laser Diode Collimator Lens (NA:0.40, EFL:4.60 mm) | Acrylic, Short Distance Focus (70-120 chars)
Quarton CAY046 Laser Diode Collimator Lens (NA:0.40, EFL:4.60 mm) | Acrylic, Short Distance Focus (70-120 chars)Buy Now
Rainbow Symphony Diffraction Grating Slides, Linear, 1000 Line/Millimeters | Bright Spectrum Analysis for Physics & Education
Rainbow Symphony Diffraction Grating Slides, Linear, 1000 Line/Millimeters | Bright Spectrum Analysis for Physics & EducationBuy Now
EXBEPE Physics Optics Experiment Set 11 Piece | Educational Science Kit for Refraction and Reflection
EXBEPE Physics Optics Experiment Set 11 Piece | Educational Science Kit for Refraction and ReflectionBuy Now
StayMax Dichroic X-Cube Prism RGB Dispersion Prism | Optical Glass Small Cube for Science & Decoration
StayMax Dichroic X-Cube Prism RGB Dispersion Prism | Optical Glass Small Cube for Science & DecorationBuy Now
JIATONG 10pcs 10MM LED Optical Lens Smooth Convex Lens for 1W 3W | Adjustable Beam Angle
JIATONG 10pcs 10MM LED Optical Lens Smooth Convex Lens for 1W 3W | Adjustable Beam AngleBuy Now
PATIKIL LED Convex Lens 30 Pack | 30 Degree Beam Acrylic Optical Lens for 5050 LED
PATIKIL LED Convex Lens 30 Pack | 30 Degree Beam Acrylic Optical Lens for 5050 LEDBuy Now
Quartet Clear Round Rare Earth Magnets 1/2" Diameter, 6 Pack | Strong Hold for Glass Whiteboards
Quartet Clear Round Rare Earth Magnets 1/2" Diameter, 6 Pack | Strong Hold for Glass WhiteboardsBuy Now
Spec
Price
₹2,140
₹3,000
₹3,680
₹5,000
₹3,600
₹5,100
₹3,100
₹4,420
₹1,310
₹1,860
₹1,990
₹3,110
₹3,530
₹5,450
Brand NameQuartonRainbow SymphonyEXBEPEStayMaxJIATONGPATIKILQuartet
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹2,140₹3,000

You Save ₹860

Estimated doorstep delivery by 4 Nov - 6 Nov from USA
Add on Google
Visa
Mastercard
Google Pay
UPI
15-Point QC Passed
😊14-Day Smile Guarantee

Fast Shipping

Secure Packaging

14-Day Returns*

Quality & authenticity

Security & Privacy

Safe payments
Secure privacy

Tracked delivery

Tracked from USA · duties included
Genuine USA Imported Product
Damaged? Covered*

*Genuine defect, damage, wrong item or non-delivery, reported within 14 days; refund after inspection. Conditions

Your Order Journey: From Purchase to Doorstep

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
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

Why shop with us

Crowcrowcrow: The Only Safe Lane for US-Market Exclusives

One price. One payment. No surprises.

High risk

Buying Direct

Recommended

Crowcrowcrow

Safe Lane

vs
₹6,420+ (3× the price)
₹2,140 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
4–12 weeks · No tracking
12-14 days · live tracking
Grey market, no guarantee, no protection, no refund
Sourced from US retailers, India-verified, return available
Lost in transit = ₹0 back
Full protection included