Best Optical Screws

Marfil Orion Round Steampunk Sunglasses - Mountaineering Glasses Uv 400 Polarized Filter, Glacier Shades

...ith the best materials, Polycarbonate, Acetate Teflon screws, when comparing them with designer lenses you will be able to perceive that we use the same materials..
REFLEX REDUCTION: The lenses of the Marfil glasses are made of Polycarbonate and Japanese Nylon, it gives an optical quality to another level, which means that you will see the world in HD..
TEFLON SCREWS: The screws used in glasses traditionally rust over time, Marfil sunglasses screws are coated with Teflon, We guarantee that they will not rust with sweat and use..

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Three Finder Scope Mounting Bracket Holder for Astromania Telescope

【Aluminium Alloy Material】 Made of high strength Aluminum with Anodizing Aluminium Process. Precision machined solid aluminum finder shoe base in matte black, for almost all viewfinder holders, for the "Witty 1" Tangent-attachment etc, fits all lens barrel radii..
【Easy to Install】 Two large knurled thumbscrews makes it easy to install: Bases feature two large thumbscrew locks to secure your finder scope or reflex sight in place, even while wearing gloves. Just put it on the optical tube and tighten the screws..
【Multi-Function】 There are two elongated holes on this base and a single countersunk hole for screws up to M5 in the middle. Two screws are on the side of base. The distance between the center points of the screw holes is 24 to 41 mm.
【Well-Engineered in Shape】 The base forms two linear constraints on each tube radius of 130-400mm in diameter, which gives maximum stability. The base also carries small guidance/CCD guider without any problem..
【Practical Funcationality】 Synta-style dovetail base -- Fit most bracket designs from Celestron, Orion, Sky-watcher, Vixen, etc. Compliable with finder scope, Laser Pointer bracket on telescopes..

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Kicker 44DL7S122 Dual 12" 3000w L7 Solo-Baric L7S Loaded Subwoofer Box+Amp+Wires

... black brackets, 4 - #10 black wood screws x 20mm, 8 - #8 black wood screws 20mm long).
two stickers. Includes: Amplifier. Bass Remote. Birth sheet with tested power. Owners manual. Mounting Screws. Warranty. RockvilIe dB156000 Watt/3000 Watt RMS Mono Class D 2 Ohm Car Stereo Amplifier With Optical Coupler Technology.
CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc.) - 2 Ohm: 1500 Watts x 1 Channel.
Peak: (The amount of power the amplifier can produce for a split second at the loudest part of a song -2 Ohm: 6000 Watts x 1 Channel -4 Ohm: 3600 Watts x 1 Channel. High-Speed MOSFET Power Supply. Optical Coupler Class D Technology. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 250Hz. Subsonic Filter: 15Hz - 55Hz. Phase Control Switch. Full IC-Controlled Protection Circuitry. Remote Dashboard Subwoofer Control.

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Agstum Retro Small Round Optical Rare Wire Rim Eyeglasses Frame (Gold, 39mm)

Lens width:39mm/1.54’’, Lens height:39mm/1.54’’, Bridge:24mm/0.94’’, Temple length (Acceptable Range):120mm/4.72’’ ~ 140mm/5.51’’, Total width:116mm/4.57’’.Please kindly note the total width is about 116mm,so it will be fit for child or adult with a small head.
These metal frames come with demo lenses, you can change lenses at your local optical store. DEMO lenses are not good for wearing, there are some scratch or stain. Please change lenses if you want to wear.
There are side screws on the frames,so you can put your lenses into these frames at the local optical store.
Metal frame with cable temples for a more secure fit, the stems are a pretty flexible wire that would wrap around the ears.
Lifetime Breakage Warranty on Frame,30 Day Money Back Guarantee.

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Baby Monitor – 5” Large Display Video Baby Monitor with Remote Pan-Tilt-Zoom |Infrared Night Vision, Temperature Display, Lullaby, Two Way Audio |960ft Range Baby Monitor with Camera and Audio

Tenveo 20X optical zoom SDI PTZ camera For Church, Classroom and large Conference Rooms, Communicate with your friends, students or customers with a face to face full HD video conference. Recommended room size: 10x20m(33'x 66'), 200 Square meters space with plenty of light..
Compatible with Zoom, Skype for business, Microsoft Lync(Teams), Voovmeeting, CISCO WebEx and other conferencing software..
Tenveo VHD20N. Output video to USB,HDMI and SDI at the same time. Support 328ft(100m) HD-SDI video transfer..
SDI PTZ conferencing camera. Pan: 0 to 340 degree, Tilt: 0 to 90 degree. 20X optical zoom, 2.38 mega pixel. 9 Preset positions for remote control. Support RS-232, RS-485. VISCA,PELCO-D/P Control Protocol..
What's in the box. Tenveo 20X optical zoom Camera, DC 12V power adapter, IR remote control, manual, USB2.0 Cable(3m), Celling brackets & screws. 30-Day money back guaranty for No reason..

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HD Sport Action 2X Tele Zoom Lens for Nikon D3200 D3000 D5300 D5000 D5200 D3300 D90 D80 D40 D40X D70

2.2X 52MM HD OPTICAL TELEPHOTO ZOOM LENS FOR NIKON DSLR CAMERAS.
52MM THREAD SCREWS RIGHT INTO YOUR EXISTING LENS AND MORE THAN DOUBLE YOUR LENS ZOOM.
COMPATIBLE WITH ANY NIKON CAMERA USING A 52MM THREAD LENS.
MICROFIBER CLEANING CLOTH $7.99 VALUE INCLUDED AS A BONUS.
SCREWS INTO YOUR EXISTING LENS NOT ON CAMERA BODY.

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Reptilia DOT Mount 1.93" Height for Trijicon MRO - Black Anodized

Type III hardcoat anodized 7075 aluminum.
Places the Optical Axis at 1.93" above rail.

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Automatic Level 32X Optical Transit Survey Auto Level High Precision Level Gauge Measure Meter Machine

OUTDOOR PROFESSIONAL LEVEL TOOL: With 32X magnification lens and large aperture, the AL-32X Automatic Optical Level allows you to work within a range of 393Ft for sharper image without issues even in low light conditions. The level tool adopted high-speed lens in high quality imaging that ensures accurate measurements. The level offers excellent accuracy of 1/16" at 100Ft and the standard deviation per Km ( double run leveling ) can reach 1.0 mm..
MAGNETIC DAMPING & DURABLE DESIGN: Huepar AL-32X magnetic damping system quickly settles the system and reduces the effects of jobsite vibration, offering you accurate and precise leveling measurements. The optical level also features metal housing and IP54 protection for weather resistance and durability. Therefore the automatic level stability, accuracy and seismic performance are better, making the measurement more accurate..
SELF-LEVELING COMPENSATOR WITH LOCK: The Huepar Automatic Optical Level features a self-leveling magnetic dampened compensator with transport lock. The lock-out device protects compensator during transportation and extend its working life. In addition, users can examine whether the suspens....

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Alstar Universal Quick Release Finder Shoe Base for Schmidt Cassegrains and Other Telescope 130-400mm Diameter - for MQR III&IV/Witty One and V-Bracket - Black

【Aluminium Alloy Material】 Made of high strength Aluminum with Anodizing Aluminium Process. Precision machined solid aluminum finder shoe base in matte black, for almost all viewfinder holders, for the "Witty 1" Tangent-attachment etc, fits all lens barrel radii..
【Easy to Install】 Two large knurled thumbscrews makes it easy to install: Bases feature two large thumbscrew locks to secure your finder scope or reflex sight in place, even while wearing gloves. Just put it on the optical tube and tighten the screws..
【Multi-Function】 There are two elongated holes on this base and a single countersunk hole for screws up to M5 in the middle. Two screws are on the on side of base. The spacing between the two screws is 24 to 41 mm..
【Well-Engineered in Shape】 The base forms two linear constraints on each tube radius of 130-400mm in diameter, which gives maximum stability. The base also carries small guidance/CCD guider without any problem..
【Practical Funcationality】 Synta-style dovetail base -- Fit most bracket designs from Celestron, Orion, Sky-watcher, Vixen, etc. Compliable with finder scope, Laser Pointer bracket on telescopes..

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