This sale is for a 18mm ZnSe fcous lens. It's designed for most 40W or higer power laser engraving machine. Diameter: 18mm Focus: 55mm Thickness: 2.5mm Material: ZnSe

This Listing is for a new II-VI Incorporated ZnSe Lens Plano/Concave .50" Diameter x -1.0" FL. It came from Companies excess Inventory. It measures: 1/2" in diameter x 1/8" Thick. It is AR Coated @ 9.24um.

Pushbutton Lens, Color Amber, Pilot Light, Glass Domed, Used With Kp And Kt, 30 Millimeters

Sigma 20mm f1.8 EX DG Aspherical RF is one of several EX Series lenses. It is the first 20mm Super wide-angle lens in the world with a large aperture of F1.8 and angle of view 94.5°. It has Macro focusing capability with a minimum focusing distance of 20cm/7.9inches (reproduction ratio 1:4). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates an aspherical lens element in the front as well as rear lens groups, to minimize distortion, spherical aberration and astigmatism. The lens has non-vignetting optical construction, in order to obtain adequate peripheral brightness with open aperture. This is especially desirable for digital cameras. The lens incorporates a rear focus system eliminating front lens rotation, thus allowing the use of a... Less

LT-10 Sound Blimp Lens Tube for Canon 20/ 50/ 85/ 100mm, Virtually Eliminates Lens Noise, Lets You Use Lens in Quiet Places, Not for Water Use, Not Compatible with Sport Housings, No Zoom Capability

Halogen lamps feature compact size, minimal power consumption, and easy connections that simply snap together. Also, halogen light is similar to natural sunlight and colors are seen as they really are. The bulbs have long life spans (up to 2000 hours) and at the end of their life cycle, they can perform at 97% of their original output, compared with 60% for standard incandescent bulbs. The lights come with 78inch wires which allows flexible placement. Protective glass lens twists off for easy access to the bulb.

Energy Efficient LED lights provide an average of 50,000 hours of light. 5mm Wide Angle Lens Set. 20 Blue LEDsremain cool to the touch. Green wire. 7' in Length with 4" bulb spacing and 12" lead length. UL listed for Indoor Use. Uses 3 AA Batteries (Not Included). Battery operated LEDs provide freedom from typical decorating constraints - decorate wreaths, garlands, trees, and centerpieces.

LT-20 Sound Blimp Lens Tube for Fixed Lenses Under 90mm, Virtually Eliminates Lens Noise, Lets You Use Lens in Quiet Places, Not for Water Use, Not Compatible with Sport Housings, No Zoom Capability

Payment Policy Brand New Sony CyberShot 8 MP Di € NEW ZnSe Partial Reflector Optic CO2 Laser Output Coupler 12.7mm Dia 3mm Thick € Attention All Buyers €If there is anything wrong with the item that you have purchased, please do not leave negative feedback and do not open any disputes with eBay or PayPal. Just contact us directly and we will fix the problem quickly. Item Description NEW ZnSe Partial Reflector Optic CO2 Laser Output Coupler 12.7mm Dia 3mm Thick NEW Condition II-VI ZnSe Partia

Halogen lamps feature compact size, minimal power consumption, and easy connections that simply snap together. Also, halogen light is similar to natural sunlight and colors are seen as they really are. The bulbs have long life spans (up to 2000 hours) and at the end of their life cycle, they can perform at 97% of their original output, compared with 60% for standard incandescent bulbs. The lights come with 78inch wires which allows flexible placement. Protective glass lens twists off for easy access to the bulb.

Micro Lenses fit most Extreme CCTV camera products. These lenses allow amazing picture quality despite their tiny sizes. We have developed lenses from a very wide angle 1.9 mm to a narrow, long distance 25 mm in focal length. Each L100 Series Micro Lens is tightened with a tiny set screw to lock the lens in place after focusing. Standard aperture setting is F2.0 unless otherwise specified. Faster and slower lenses are available by special order. All L100 Series Lenses have M12 x 0.5 pitch. FEATURES: The 2.5 mm to 16 mm lenses all fit into Extreme CCTV’s popular EX45 Hi-Impact Dome Cameras.Model L101 Fisheye is a 1.9 mm lens that provides a 141 degree horizontal field of view. L1VA and L1FA series camera are auto-iris types suitable for outdoor use and select Extreme domes. PDF Spec... Less