Reviews Concave Lens

3 Pairs Vintage Round Flip up Sunglasses 90's Steampunk Style for Men Women

• ... and family, enjoying the charm of the round flip-up steampunk sunglasses.
• Double lenses design: you can use these round steampunk sunglasses as sunglasses or plain glass spectacles through flipping the outer colored lens up or off, even you can change the inner glass into concave lens at the optical eyewear store.
• Proper size for most people: the frame of each flip up steampunk sunglasses measures approx. 4.9 inch/ 12.5 cm in width, both height and length of each lens are 2 inch/ 5 cm in height, the nose bridge is 0.86 inch/ 2.2 cm.
• Good accessories for you to create 90's look.
• Durable material: the frame of the retro steampunk sunglasses is made of metal and the lens is made of PC material.
• Stylish and fashionable design suitable for men and women, adults and children.

iShoot Metal Lens Collar Tripod Mount Ring Compatible with Canon RF 100-400mm f/5.6-8 is USM, Lens Support Holder Bracket Bottom is Arca-Swiss Fit Quick Release Plate Dovetail Groove

• 1. The lens collar is tailor-made based on the shape and structure of the lens, only compatible with Canon RF 100-400mm f/5.6-8 IS USM Lens, cannot be used with other lens.
• the inner wall of the tripod ring has a concave-convex irregular structure, and the switch hole is reserved, which does not affect the use of the switch on the lens.
• the tripod ring cannot be rotated, only support horizontal shooting.
• 2. The contact surface between the inner wall of the tripod ring and the lens is plastic composite film, will not wear lens surface when installed correctly.
• there should be no stickers on the lens surface installation position, if there is, remove it, otherwise it will affect the normal installation.
• hollow-out weight reduction design, net weight is about 160g.
• 3. The tripod collar bottom is added 50mm long Arca fit quick release plate feature, can be used with 39mm Arca-swiss fit tripod ball head, panoramic head and clamp directly.
• more practical than lens collars without QR-Plate..
• 4. The Lens support bottom reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screws for fixing lens to tripod directly..
• 5. The lens collar IS-RF140 can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for fluid heads w....

BCD Metal Spinning Tops and Spinning Top Base Set - Brass, Bronze, Aluminum, Stainless Steel Spinning Top, Teak Dock, Concave Glass Lens Top Spinning Base - Desk Toys for Adults - Unique Gift

• DESKTOP LUXURY in one full EDC spinning top game set. Bruce Charles Designs top spinning base includes our fused silica glass spinning top glass lens plus all 4 of our metal spinning tops.
• FASTER, LONGER, superior spin tops. Our spin top set includes 1 brass metal spinning top, 1 bronze, 1 steel and 1 aluminum brass spinning top. CNC machined. Upper grips are knurled for better torque.
• PREMIUM QUALITY spinning top base. Made of durable Bermese Teak. Keeps the spinning glass stable, reduces spin top motion to keep your spinning tops spinning for up to 12 minutes!.
• DOUBLE CONCAVE lens. Polished smooth surface. Double sided - center of lens is 2.8mm thinner than the edges. Frosted reducing glass lens edge for a touch of elegance. Designed for all our EDC spinning tops.
• THE PERFECT GIFT for men, women, and all EDC spin top enthusiasts. ADD TO CART and take it for a spin.

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.