flat top bifocal lenses

HOT SALE 1.1.1stock lens 1.50 HMC Single Vision optical resin lenses high quailty (ISO9001&FDA&CE) CR-39 1.499 optical lensUS $ 1.24/pair 1.2.1stock 1...

...-top color-changing blue-light blocking lens technology sets this product apart from other spectacle lens areas. It contains special molecules ...

Product Description Germanium substrate GE Flat Windows Optical Lenses Thermal Imaging Applications and Infrared Spectroscopy High hardness Germanium ...

Lens With a segment in the lower area of the lens, a lens displays two different dioptric powers, which provides presbyopes with clear...

... prism,Reflection lens ,camera ect,and provied optical design and assembly service to client,45mm M12 2.0MP Pinhole Camera Lens the main mar...

Product Description: Optical Lensometer Meter The Optical Lensometer Meter is a precision device that accurately measures the parameters of ophthalmic...

Product Description: Powell lenses are a type of cylindrical lens that is designed to produce a highly uniform line of light. They are named after the...

S-Mount M12x0.5 mount Pinhole Lens for covert cameras Tips: - IR-Cut filter available - 650nm/850nm/940nm IR filter optional - For more , p...

1/3" 3.7mm F2.5 Megapixle M9x0.5 Mount Cone Pinhole Lens for covert cameras, 3.7mm/4.3mm/6mm M9 mount pinhole Model 13037PMP-M9 SENSOR FOR...

Plastic Slim LED Parcan 9pcs RGBW 4in1 LED Par Wash Lights 25/45 Degree Angle product specifications: Lamp Power(W) 100W Lamp source: 9pcs ...

... are ideal for beam expansion, light projection, or for expanding an optical system’s focal length. Plano-Concave , which have one conc...

... XY image plane or scan field. The position of the spot on the image plane is directly proportional to the scan angle. Telecentric ƒ-theta f...

...best used as indoor for long hours of computer use to maintain natural sleep patterns and eye protection. RX-ABLE – These square blue...

-Concave Dia 30mmLaser Focusing Lens FL 50mm 1000-1650nm Description: Laser Focusing Lens is made of two single by gluding, the performance...

Top Frame Acetate Sunglasses Big Frame One Piece Uv400 Oversized Sunglasses Feature 100% UV protection. To protect your eyes from harmful UV rays...

... Optical Glass Half Rod Cylinder Cylindrical Lens These cylindrical are designed for applications that require one-dimensional shapin...

Membrane Switch With 3M467 3M468 Adhesive matte look membrane switch prototype Membrane switch panels support almost any application from rigid P...

Bk-7 Optical Glass Round Window For Electronic Instruments Material: Made from high-quality BK-7 optical glass, a type of glass known for ...

50W Flat LED Floodlights with PC Lense and Tempered Glass > Precision Integrated Die-casting ADC12 AL,Excellent Thermal Conductivity; > High Brightnes...