Best Concave Lens

Bruce Charles Designs Spinning Top Base 3.93” 100 mm Diameter - Double Concave Fused Silica Glass Optical Lens - 30cm/300 mm Focal Length Thickness 0.4” 10mm - Spin Top Glass Base Surface

• MAXIMUM SPIN TIMES. Made with fused silica. Harder, more smooth and durable than regular glass spinning top glass. Your spin top spins faster for....
• UNMATCHED QUALITY. Precision machined, solid double concave lens. Center of lens is 2.8mm thinner than the edges on either side. Heavier than most so....
• LOOKS EXCEPTIONAL. Frosted reducing glass lens edges. For that added clean look. Because every great looking precision spinning top can use a great....
• SUITS ALL SPIN TOPS. From our own line of spinning tops to the others in your collection. This elegant spin station surface can extend your spin time....
• NEW SPIN ON GIFTS. From serious EDC spin top enthusiasts, casual players or anyone looking to up their spinning top game. Click ADD TO CART to get the....

Wintergreen Lighting LED Purple, Green Halloween Mini Light Set, 70 5mm Lights, Indoor/Outdoor Halloween Light Decorations, 120V UL Certified, Black Wire

• ...[ CONNECT 44 SETS on SINGLE PLUG ]  Safely connect up to 44 sets end to end for 1,027’ total coverage on one plug - 4.83 watts (0.04 amps) per set.  120 volt fused male plug and female plug for end to end connections.  Powered by STANDARD 120 VOLT household outlet..
• [ CONCAVE ACRYLIC LENS ]  These new age concave lenses disperse light uniformly in all directions.  Patented one-piece NON-REMOVABLE bulb/base construction seals out moisture, eliminating corrosion for longer bulb life..
• [ UL & ENERGY STAR CERTIFIED, SAFE, DEPENDABLE ]  Exceeds ENERGY STAR qualifications for efficiency.  UL Certified.
• approved for indoor/outdoor use.  If one light goes out, the rest stay lit. Backed by a 3-year seasonal warranty..
• LED mini lights perfect for Halloween lights, Halloween decorations, party lights, indoor string lights, outdoor string lights and string lights for bedroom..

KUVRD - Universal Lens Hood S|54 - Fits 99% of Lenses Element Proof Lifetime Coverage Fits 54mm-76mm Single Lens Hood - S

• ... use with all your lenses while freeing up space in your bag. The S|54 fits all your smaller camera lenses, perfect for micro 4/3 lenses, mirrorless camera lenses, vintage lenses, smaller range finder lenses and SLR lenses!.
• Anti-Glare | Anti-Reflection - Whether shooting through glass and windows or any transparent concave surface, it completely removes reflections and glares, making it easy to shoot with no distractions..
• Please Note: Vignetting Will Begin To Occur with ultra-wide lenses and fisheye lenses that have focal length ranges >20mm. e.g. when a lens like a Canon EF 11-24mm f/4L USM Lens is completely zoomed out, the user will begin to see vignetting occur in the corners of the frame between 11mm-20mm..

KUVRD - Universal Lens Hood - Fits 99% of Lenses, Holds 99% of Circular Filters, Fits 72-112mm, Single - (Medium)

• ...mirrorless camera lenses, cine-lenses, medium format lenses and larger super telephoto lenses while also working with holding 99% of circular filters, adapting to your workflow without wasting time or restricting your gear..
• ANTI-GLARE | ANTI-REFLECTION - Whether shooting through glass and windows or any transparent concave surface, it completely removes reflections and glares, making it easy to shoot with no distractions..
• PLEASE NOTE: VIGNETTING WILL BEGIN TO OCCUR with ultra-wide lenses and fisheye lenses that have focal length ranges 003e20mm. e.g. when a lens like a Canon EF 11-24mm f/4L USM Lens is completely zoomed out, the user will begin to see vignetting occur in the corners of the frame between 11mm-20mm..

Bausch & Lomb Hastings Triplet 7X Magnifier

• Dual-Sided & 7x Magnifying -This Two Sided 360° swivel design luxury mirror features 1x & 7x magnifications. 1x (full face view) and 7x (to see every....
• Elegant Décor Design – 360 degree rotation that adjust to nearly any angle for your convenience. Beautiful design to create a seamless elevated....
• Concave Lens –Creates the magnification side. For clear, undistorted view, look into the mirror at 10 inches or closer. (See Maximum Distance....
• Secure Base – Wide and sturdy base that keeps the mirror stable and secure. Rotate and find the best angle of this mirror without the wobble..
• US-based Customer Service: Ovente warranties that the product shall be free from defects in material & workmanship under normal use & conditions, for....

vouiu 4-Piece Bonsai Tool Set,Concave Cutter,Knob Cutter,Trunk Splitter,Bonsai Scissors

• Product inclusion : 8inch Concave Cutter, 8inch Knob Cutter,8inch Trunk Splitter and 8inch Bonsai Scissors.
• Concave Cutter:used for pruning bonsai fork branches. After the concave cutter are pruned, a concave fish-shaped incision is left, so that the resin healed by the plant will cover the concave incision, and the traces left by the cutting can not be seen..
• Knob Cutter:used for pruning bonsai tree tumors, knots. When the knuckle is trimmed, a concave spherical incision is left, so that the resin healed by the plant will cover the concave incision, and the traces left by the cutting can not be seen..
• Trunk Splitter: used for bending or branching..
• Bonsai Scissors:used for pruning bonsai leaf buds, tender branches, twigs, long handle design..

vouiu 3-Piece Bonsai Tool Set,11inch Concave Cutter,11.5inch Knob Cutter,7.5inch Bonsai Scissors

• Product inclusion : Concave Cutter,Knob Cutter,Bonsai Scissors.
• Concave Cutter: used for pruning bonsai fork branches. After the concave cutter are pruned, a concave fish-shaped incision is left, so that the resin healed by the plant will cover the concave incision, and the traces left by the cutting can not be seen.
• Knob Cutter: used for pruning bonsai tree tumors, knots. When the knuckle is trimmed, a concave spherical incision is left, so that the resin healed by the plant will cover the concave incision, and the traces left by the cutting can not be seen.
• Bonsai Scissors: used for pruning bonsai leaf buds, tender branches, twigs.

Freud UP126 1/2-Inch Concave Radius Shaper Cutter, 1-1/4 Bore

COMB. CONVEX & CONCAVE CUTTERS

LENSPEN MiniPro. Professional Small, Lightweight Camera Lens Cleaning Pen with Carbon Compound Technology and Retractable Brush for Removal of Fingerprints, Grease and Dust from any Optical Device, black

• Designed to fit into small camera bags, for small cameras.
• Concave tip to match the slightly convex shape of the lens.

Bruce Charles Designs Spinning Top Base 5.9” (150 mm) Diameter - Double Concave Fused Silica Glass Optical Lens - Thickness 0.45” (11.5mm) - Spin Top Glass Base Surface (150mm)

• MAXIMUM SPIN TIMES. Made with fused silica. Harder, more smooth and durable than regular glass spinning top glass. Your spin top spins faster for longer with a flick of the wrist. No friction and more fun.
• UNMATCHED QUALITY. Precision machined, solid double concave lens. 1500mm radius of curvature on either side. Heavier than most so our top spinning base stays in place for better spins. Also makes excellent reducing glass for artists or quilting.
• LOOKS EXCEPTIONAL. Frosted reducing glass lens edges. For that added clean look. Because every great looking precision spinning top can use a great looking spinning top base.
• SUITS ALL SPIN TOPS. From our own line of spinning tops to the others in your collection. This elegant spin station surface can extend your spin time and help you break records for bragging rights.
• NEW SPIN ON GIFTS. From serious EDC spin top enthusiasts, casual players or anyone looking to up their spinning top game. Click ADD TO CART to get the most out of your spin toys!.

ODIKASO Rotating Magic Bean Toys Decompression Rotating Small Beads Fidget Spinner Magic Cube Toys for Unisex-Children Puzzle Educational Toys（Indigo）

• ★Fun and wisdom early education, relieve boredom and stress. A new decompression puzzle product developed for children's brain development, combined....
• ★Concave-convex particle massage palm.The use of anti-fall ABS material with concave-convex particles on the edge can exercise children's grasping....
• ★【OPERATION METHOD】carefully designed 4 O-shaped concave holes,each groove has a number of small beads, which can move the small beads by....
• ★Personal interaction, partner PK :Parents can promote personal relationships during play, and it is also suitable for children's play to expand the....

Bruce Charles Designs Spinning Top Base - Precision-Machined Teak Top Spinning Base and Fused Silica Spinning Glass Double Concave Lens 100mm/4 Dia 300mm Focal Length - Best EDC Spin Top Lovers Gift

• SPIN FOR LONGER and faster. Bruce Charles Designs top spinning base houses our fused silica glass spinning top glass piece. Ultra luxurious craftsmanship meets performance.
• MADE TO IMPRESS using precision-machined solid, beautiful Bermese Teak. The most durable of the hardwoods. More than just exquisite decoration, our spinning top base won’t crack and is water resistant.
• CRAFTED PERFECT to keep spinning tops spinning. The station keeps the spinning glass stable and motionless. Helps reduce spin top motion. Experience top spin speeds that last for minutes every time.
• DOUBLE CONCAVE lens. 300mm focal length on both sides. CNC-lathed. Polished to a smooth surface finish. Designed for all spin tops. Ideal reducing lens for artist use and great for quilting.
• GIFT PERFECTION and great for friends looking to up their EDC spinning top game. Why settle when you can spin? ADD TO CART and spin on this!.