ReviewsBi convex Spherical Lenses

Ajax Scientific - LI070-0020 Concave/Convex Mirror 75mm Diameter 200mm Focal Length

Reversible concave and convex spherical mirror for demonstrating optical principles and effects for students.
Outward curved surface forms an image of the reflected object that is slightly distorted and smaller than actual size.
Inward curved surface forms an image of the reflected object that is upside down when past the focal point and magnified and right-side up before the....

Check Stock

Boomer Eyeware Classic Stylish Bifocal Rounders, Reading Glasses for Men & Women, 2.00, Black

PLASTIC FRAME: This men and women round frame features a round style. PRODUCT DIMENSIONS: Plastic Frame, Acrylic Lenses, Lens Width: 2.05'', Lens Height: 1.73'', Bridge Length: 0.71''.
ACRYLIC LENSES: These flat top bifocal lenses have lightweight, plastic lenses..
Full Frame, Bi Focal so you can wear them all the time..
Hand Polished Frame. Hard to find style at an Affordable Price..
Classic Stylish Bifocal Rounders blends a round frame shape with touches of tortoise and bifocal lenses for a combo you can't pass up. The top of the lens is unmagnified while the bottom of the lens is magnified with your powers of 1.25, 1.50, 1.75, 2.00, 2.25, 2.50, 2.75, 3.00. Available colors: Tortoise, Brown and Black..

Check Stock

KUVRD Universal Lens Cap 2.0 - Fits 99% DSLR Lenses Element Proof Lifetime Coverage Magnum 2-Pack

NEW & REFINED - The Universal Lens Cap just got a face lift.
Two styles, Magnum and Micro, and the new convex top deliver stretch and fit for all shapes and sizes.
Color code the white X with a marker to distinguish your lenses when capped.
With a tight, waterproof seal around your lens, The ULC 2.0 prevents water, mud, and the finest dust and sand from scratching & mucking up your lens.
The ULC works as both a front & rear lens cap, and you can even double up for max security.
FITS 99% OF LENSES - MAGNUM and MICRO size options provide even better coverage than the previous model.
MAGNUM size easily fits 72mm - 122mm, DSLR lenses, mirrorless camera lenses, cine-lenses, fisheye lenses and super telephoto lenses.
SHOCK ABSORBENT - The ULC 2.0 absorbs most blunt-force trauma that could occur to both the front and exterior sides of the lens when dropped.
It can even stretch over traditional lens caps for impact protection.
Works with lens hoods, ND filters, and camera flashes.
LIFETIME WARRANTY - This lens cap is guaranteed to perform under the toughest conditions nature might throw at you.
Any issues, and KUVRD will replace it for free, forever.

Check Stock

KUVRD Universal Lens Cap 2.0 - Fits 99% DSLR Lenses, Element Proof, Lifetime Coverage, Magnum, Single Lens Cap

NEW & REFINED - The Universal Lens Cap just got a face lift.
Two styles, Magnum and Micro, and the new convex top deliver stretch and fit for all shapes and sizes.
Color code the white X with a marker to distinguish your lenses when capped.
With a tight, waterproof seal around your lens, The ULC 2.0 prevents water, mud, and the finest dust and sand from scratching and mucking up your lens.
The ULC works as both a front and rear lens cap, and you can even double up for max security.
FITS 99% OF LENSES - MAGNUM and MICRO size options provide even better coverage than the previous model.
MAGNUM size easily fits 72mm - 122mm, DSLR lenses, mirrorless camera lenses, cine-lenses, fisheye lenses and super telephoto lenses.
SHOCK ABSORBENT - The ULC 2.0 absorbs most blunt-force trauma that could occur to both the front and exterior sides of the lens when dropped.
It can even stretch over traditional lens caps for impact protection.
Works with lens hoods, ND filters, and camera flashes.
LIFETIME WARRANTY - This lens cap is guaranteed to perform under the toughest conditions nature might throw at you.
Any issues, and KUVRD will replace it for free, forever.

Check Stock

OutdoorMaster Ski Goggles PRO - Frameless Interchangeable Lens 100% UV400 Protection Snow Goggles for Men & Women VLT 10% Grey Lens Free Protective Case

PERFORMANCE SKI GOGGLES WITH FRAMELESS DESIGN - Large spherical, frameless lens provides a truly unobstructed & clear view of the slopes. Designed for ULTIMATE PERFORMANCE & COMFORT..
INTERCHANGEABLE LENS SYSTEM - Enjoy a wide range of extra lenses. Swap for day/night & different weather conditions. CHOOSE AMONG 20+ DIFFERENT LENSES. Extra lenses sold separately..
OTG (OVER-THE-GLASSES) DESIGN - The Ski Goggles PRO features an OTG design that lets you wear your glasses under the goggles. All lenses are ANTI-FOG COATED & offers 100% UV400 PROTECTION..
UNIVERSAL HELMET COMPATIBILITY - Extra long elastic strap ensures GREAT HELMET COMPATIBILITY with all helmets. Suitable for both adults & teens..
WHAT YOU GET: 1 x OutdoorMaster Ski Goggles PRO, 1 x Protective Case, 1 x Carrying Pouch, and our CUSTOMER-FAVORITE 1 YEAR WARRANTY and friendly customer service..

Check Stock

X-TIGER Photochromic Cycling Glasses for Men Women Clear Sports Sunglasses for MTB Bike Baseball Running UV Protection

【Photochromic Lens】 photochromic sunglasses darken and lighten in response to changes in light intensity. They change from clear to gray in sunlight, effectively protecting your eyes while providing a comfortable visual experience. No need to change glasses to do so..
【UV400 & Spherical Design】 The PC lenses of the MTB glasses are shatterproof and have 100% UV protection. It reduces the burden on the eyes and ensures visual comfort. The curved spherical lens design allows for a wider field of vision and the ability to see more of the scenery along the way..
【Impact-resistant TR90 Frames】 Active lifestyles mean your sports sunglasses must be tough and strong enough to handle whatever challenges you throw at them. Specially designed compression-resistant TR90 frame is strong and super light, weighing only 18 g. Let you forget about wearing them during sports..
【Suitable for Everyone】 These cycling sunglasses feature an adjustable nose bridge design that fits perfectly to any shape of the nose bridge with just a tap. Nearsighted people can install myopic lenses on a special frame. The 5-step stretch design and 2 styles of temples(Straight & Curved) allow people with different face shapes to use these glasses..

Check Stock

Flantor Kids Ski Goggles Non-Slip Strap Snow Goggles Snowboard Goggles

Clarity View - The outdoor snowboard goggles with panoramic design, wider field of vision, can obtain crystal clear views and wide vision when skiing and snowboarding..
Friendly Protection - All ski goggle lenses use spherical PC lenses to provide crystal-clear clarity andUV400 Protection, protecting kid's eyes from the sunshine..
Performance Ski Goggles - Double anti-fog lenses & ventilation system on both sides of the upper and lower sides to enhance airflow and reduce fog during skiing, good ventilation giving you a fog-free ski experience..
Helmet Compatible Kid Ski Goggles - Extra long elastic straps ensure eyes are compatible with all helmets and keep the snow goggles in place, provides wind protection..
Comfortable Sponge - Triple-layer of soft foam make the goggles fit on the kid's face, making it easy to wear. Snowboard goggles have a soft frame, comfort to wearing and has enough space to hold glasses..

Check Stock

OutdoorMaster Ski Goggles PRO - Frameless, Interchangeable Lens 100% UV400 Protection Snow Goggles for Men & Women ( Black Frame VLT 18% Grey Lens with Full REVO Green and Free Protective Case )

PERFORMANCE SKI GOGGLES WITH FRAMELESS DESIGN - Large spherical, frameless lens provides a truly unobstructed & clear view of the slopes. Designed for ULTIMATE PERFORMANCE & COMFORT..
INTERCHANGEABLE LENS SYSTEM - Enjoy a wide range of extra lenses. Swap for day/night & different weather conditions. CHOOSE AMONG 20+ DIFFERENT LENSES. Extra lenses sold separately..
OTG (OVER-THE-GLASSES) DESIGN - The Ski Goggles PRO features an OTG design that lets you wear your glasses under the goggles. All lenses are ANTI-FOG COATED & offers 100% UV400 PROTECTION..
UNIVERSAL HELMET COMPATIBILITY - Extra long elastic strap ensures GREAT HELMET COMPATIBILITY with all helmets. Suitable for both adults & teens..
WHAT YOU GET: 1 x OutdoorMaster Ski Goggles PRO, 1 x Protective Case, 1 x Carrying Pouch, and our CUSTOMER-FAVORITE 1 YEAR WARRANTY and friendly customer service..

Check Stock

findway Ski Goggles Pro for Women & Men-100% UV 400 Protection-Interchangeable Lens,Anti Fog Over Glasses Snowboard Goggles

...goggles helps you handle whatever the mountain brings you.
【DUAL LENS TECHNOLOGY】:findway ski goggles use dual lens,it create a thermal barrier that reduces fogging significantly compared to single lens ski goggles counterpart.The 100% UV protection wide view panoramic spherical dual-lens design with anti-fog and anti-scratch coatings allows for an undistorted view of your terrain.All skiing goggles come with our proprietary spherical lens technology gives you maximum visibility while on the slopes.
【DURABLE PERFORMANCE MATERIALS & Venting System】 findway adult ski goggles are made from a durable Thermoplastic Urethane Polymer material,this makes findwy ski goggles difficult to be oppressed and not causes damage. The thick and soft layer of sponge on the frame is padding around your eye sockets for prolonged wear without discomfort and irritation.two way venting system to exhaust the heat to keep anti-fog and comfortable in skiing or snowboarding.
【OTG (OVER-THE-GLASSES) GOGGLES DESIGN】: findway Ski Goggles features an OTG design with the wide panoramic lens, provide enough space,you can wear your myopia/rea....

Check Stock

findway Ski Goggles OTG for Women Men Adult Youth-Over Glasses Snow Goggles-Interchangeable Lens,Anti Fog Snowboard Goggles

...n will never throw out the lens,findway ski goggles helps you handle whatever the mountain brings you.
【DUAL LENS TECHNOLOGY】:findway ski goggles use dual lens,it create a thermal barrier that reduces fogging significantly compared to single lens ski goggles counterpart.The 100% UV protection wide view panoramic spherical dual-lens design with anti-fog and anti-scratch coatings allows for an undistorted view of your terrain.All skiing goggles come with our proprietary spherical lens technology gives you maximum visibility while on the slopes.
【DURABLE PERFORMANCE MATERIALS & Venting System】 findway adult ski goggles are made from a durable Thermoplastic Urethane Polymer material,this makes findwy ski goggles difficult to be oppressed and not causes damage. The thick and soft layer of sponge on the frame is padding around your eye sockets for prolonged wear without discomfort and irritation.two way venting system to exhaust the heat to keep anti-fog and comfortable in skiing or snowboarding.
【OTG (OVER-THE-GLASSES) GOGGLES DESIGN】: findway Ski Goggles features an OTG design with the wide panoramic lens, provide enough space,you can wear your myopia/reading glasses under the goggles,The soft and breathable triple-layer foam padding is ergonomi....

Check Stock

KUVRD Universal Lens Cap 2.0 - Fits 99% DSLR Lenses, Element Proof, Lifetime Coverage, Micro, 2-Pack

NEW & REFINED - The Universal Lens Cap just got a face lift.
Two styles, Magnum and Micro, and the new convex top deliver stretch and fit for all shapes and sizes.
Color code the white X with a marker to distinguish your lenses when capped.
With a tight, waterproof seal around your lens, The ULC 2.0 prevents water, mud, and the finest dust and sand from scratching and mucking up your lens.
The ULC works as both a front and rear lens cap, and you can even double up for max security.
FITS 99% OF LENSES - New MAGNUM and MICRO size options provide even better coverage than the previous model.
MICRO size easily fits 54mm - 76mm, Micro 4/3, vintage lenses, smaller rangefinder lenses, SLR, and most DSLR and medium format lenses.
SHOCK ABSORBENT - The ULC 2.0 absorbs most blunt-force trauma that could occur to both the front and exterior sides of the lens when dropped.
It can even stretch over traditional lens caps for impact protection.
Works with lens hoods, ND filters, and camera flashes.
LIFETIME WARRANTY - This lens cap is guaranteed to perform under the toughest conditions nature might throw at you.
Any issues, and KUVRD will replace it for free, forever.

Check Stock