Have you successfully started a fire with these lenses and/or do they have a decent focal point with light to potentially start said fire?

I actually have successfully started a fire with one of the cards. The focal point can get pretty small and intense. I lit a tinder bundle first made of some dry grass and a cotton ball with Vaseline. It was a bright and sunny day so it only took a minute or so to get the bundle lit.

How are these packaged?

Each Opticlens lens comes in it's own reusable plastic sleeve for protection from dirt and scratches. The 12 lenses are then package in a resealable ziplock style plastic pouch for storage and protection.

What is the actual overall size, and what is the size of the lens portion? What is the focal point dimension? What material are they made out of?

2 3/16" x 3 3/8" is the actual overall size, 1 11/16" x 3 1/8" is the lens portion. I don't know what you mean by focal point dimension, I believe they are made out of some sort of plastic.

do you have to hold the magnifier above the object you are reading?

Yes, you do need to hold it above the object at least a few inches. If you lay it flat on the page, the image will be clear but will not magnify. The magnification will increase as you raise it further form the page until it reaches it's maximum magnification of 3X normal size (300%). This is about 6 to 10 inches form the object. If you raise it further, the image will become blurry.

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Lot of 12 OpticLens Brand Credit Card Sized Magnifying Lenses. Wholesale Lot - 300% Fresnel Magnifier

Product ID: 5222985

Details

Batteries Required?
No
Brand
OpticLens
Color
Transparent
Lens Material
Polyvinyl
Product Dimensions
2"L x 3.25"W

💳credit card sized, ultra portable

📦bulk pack of 12 lenses

🔍3X magnification power

$16.28

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔎 See the small stuff, seize the big moments.

MULTI USE MARVEL - From reading menus to emergency fire starting—versatility in your pocket.
FLEXIBLE DURABLE - Thin, bendable PVC plastic that withstands daily hustle.
POCKET SIZED POWER - Fits seamlessly in your wallet or planner for on-the-go clarity.
TRIPLE MAGNIFICATION - 300% zoom to effortlessly decode fine print and tiny details.
BULK BUY BULK BENEFITS - Set of 12 ensures you and your circle never miss a detail.

This wholesale lot of 12 OpticLens credit card sized magnifiers offers 3X magnification in a slim, flexible PVC design measuring 2" x 3.25". Perfectly portable, these lenses fit in wallets or bags, providing quick, reliable magnification for reading small print, labels, or patterns anytime, anywhere. Trusted by over a thousand users with a 4.5-star rating, they combine convenience and versatility for professionals and multitaskers who demand clarity on the move.

Specifications

ASIN	B00C3VQ8VY
Are Batteries Required	No
Batteries Required?	No
Brand	OpticLens
Brand Name	OpticLens
Color	Transparent
Customer Reviews	4.6 out of 5 stars 1,081 Reviews
Handle Material	Pvc
Item Dimensions L x W	2"L x 3.25"W
Lens Material	Polyvinyl Chloride (PVC)
Magnification Strength	3 x
Manufacturer	OpticLens
Manufacturer Part Number	OL-3212
Model Number	MCMAGNIFCC12
Product Dimensions	2"L x 3.25"W
UPC	710228560483 321654548879

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