ReviewsAgc Glass Calculator

K&F Concept 77mm Magnetic Variable ND Filter ND2-ND32 (1-5 Stops) + Magnetic Filter Adapter Ring Filter Kit, No X Cross Adjustable Neutral Density Filter with 28 Multi-Layer Coatings Waterproof

【1 Second Install & Swap】This variable ND2-ND32 filter with magnetic technology, install the filter adapter ring on the lens first, the filter can be adsorbed in 1 second, faster installation than traditional thread filter (6s)..
【Frame Self-Lock, No "X" Cross】Say goodbye to the dark "X" cross on images, K&F Concept utilizes cutting-edge technology (frame self-lock) to avoid the common "X" cross on a wide-angle and telephoto lens..
【Import AGC Glass】Made by importing Japanese AGC optical glass, no effect on the color balance, ensures the high definition image quality. Support 1-5 stops adjustable to control the amount of light entering the lens to reach the light reduction effect in different stops..
【28 Multi-Layer Coatings】Both sides of the glass with nanometer coating (a total of 28 layers) are waterproof, scratch-resistant, and anti-glaring, effectively protecting the valued camera lens and presenting high-quality photos..
【Note】Package including: 1* ND2-ND32 filter + 1* Magnetic filter adapter ring. This filter kit is compatible with all 77mm lenses. Please verified the lens size before ordering. The number is always preceded by a "ø" (diameter) symbol..

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ND Filter Set for DJI Mini 3 Pro 6-Pack Drone Camera Lens Filter Accessories Polarized CPL Filter with Aluminum Alloy Frame & 32-Layer Coating HD AGC Optical Glass CPL,ND8,ND16,ND32,ND64,ND128

Compatibility: This drone filter set is specially designed for DJI mini 3 pro. Including: CPL, ND8, ND16, ND32, ND64, ND128. Royal blue filter that belongs to the blue sky.
CPL Filter: CPL filters enhance color and contrast. You can adjust the light by adjusting the scale and eliminate non-metallic reflections such as water and glass reflections, which helps to capture clearer, more detailed images.
ND Filters: When taking pictures, it can enhance the color saturation and prevent overexposure and enhance the clarity of the picture in different strong light environments. When shooting video, you can reduce the shutter speed to enhance picture comfort.
Ultra-light Aluminum Alloy Frame:The filter frame is made of aluminum alloy and non-slip design, easy to install and remove. The filter is only 1g heavy, it can better protect the drone lens without affecting the flight of the drone.
Environmentally Friendly Optical AGC Glass: The filter is made of 32-layer coated AGC glass, which is waterproof, oil-proof and scratch-resistant. Reduce lens flare and reflections while maintaining sharpness for better protection of drone footage. Light transmittance up to 98.5%.

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ACEIRMC 2pcs MAX9814 Electret Microphone Amplifier with Auto Gain Control for Arduino

1.The MAX9814 is a high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone-bias-voltage generator and AGC control circuitry..
2.A trilevel digital input programs the output amplifier gain. An external resistive divider controls the AGC threshold and a single capacitor programs the attack/release times..
3.The low-noise preamplifier has a fixed 12dB gain, while the VGA gain automatically adjusts from 20dB to 0dB, depending on the output voltage and the AGC threshold. The output amplifier offers selectable gains of 8dB, 18dB, and 28dB. With no compression, the cascade of the amplifiers results in an overall gain of 40dB, 50dB, or 60dB..
4.The MAX9814 is available in the space-saving, 14-pin TDFN package. This device is specified over the -40°C to +85°C extended temperature range. MAX9814: Simplified Block Diagram MAX9814: Simplified Block Diagram Enlarge+.
5.A trilevel digital input programs the ratio of attack-to-release time. The hold time of the AGC is fixed at 30ms. The low-noise microphone-bias-voltage generator can bias most electret microphones..

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co2CREA Hard Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89 Titanium/TI-85 / TI-86 Color Graphing Calculator

co2CREA hard graphing calculator color travel case replacement for Texas instruments TI-84 Plus CE graphing calculator or Texas instruments TI-84 Plus graphics calculator or Texas instruments TI Nspire CX II CAS color graphing calculator or Texas instruments TI-Nspire CX II color graphing calculator or Texas instruments TI-83 Plus programmable graphing calculator or Texas instruments TI-89 titanium graphing calculator and more writing materials..
This TI 84 graphing calculator case perfect fit Texas instruments TI84 Plus CE graphing calculator or Texas instruments TI-84 Plus graphics calculator or Texas instruments TI 83 Plus programmable graphing calculator or Texas instruments TI 89 titanium graphing calculator or Texas instruments TI Nspire CX II CAS color graphing calculator, and the TI 84 Plus CE cute calculator case has more space to accommodate the Texas calculators TI graphing calculator office calculators and more accessories..
co2CREA hard graphing office calculators Texas instruments graphing new TI-84 Plus graphing calculator case is a build-in super quality lining reflects superior taste and ensures a long-lasting performance, the soft anti static ....

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Urth 95mm ND2-400 (1-8.6 Stop) Variable ND Lens Filter

CUT 1–8.66 F-STOPS | Urth Variable ND2-400 Filter is made for long exposure and motion blur techniques in changing light. Great for nature and landscape photography.
PREMIUM GLASS | Enjoy truer light transmittance for perfect colour neutrality, and easier cleaning with our 8-layer nano-coated Japanese AGC glass.
LOCKING RIM | Our Variable ND Filters have min-max locking mechanisms to prevent over rotation and the X-effect.
MOTION BLUR | Cut 1–8.66 f-stops for dramatic motion blur and shallow depth of field in changing light conditions. Backed by our lifetime warranty.
PLANT 5 TREES | This Urth filter funds local communities to plant 5 trees in areas affected by deforestation.

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Urth 82mm ND2-400 (1-8.6 Stop) Variable ND Lens Filter

CUT 1–8.66 F-STOPS | Urth Variable ND2-400 Filter is made for long exposure and motion blur techniques in changing light. Great for nature and landscape photography.
PREMIUM GLASS | Enjoy truer light transmittance for perfect colour neutrality, and easier cleaning with our 8-layer nano-coated Japanese AGC glass.
LOCKING RIM | Our Variable ND Filters have min-max locking mechanisms to prevent over rotation and the X-effect.
MOTION BLUR | Cut 1–8.66 f-stops for dramatic motion blur and shallow depth of field in changing light conditions. Backed by our lifetime warranty.
PLANT 5 TREES | This Urth filter funds local communities to plant 5 trees in areas affected by deforestation.

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CHICIRIS Sound Activated Light, PCB ABS Rhythm Light 2 Modes Home Decoration for Bedroom

High Sensitivity: Mono soundtrack and 32 segment widened rhythm light, ensuring enough dynamic range and high accuracy in the display..
Great Decoration: The pretty lighting effect will be the best decoration in the room, suitable for bedroom, studio, office and so on..
Simple Adjusting: The brightness of the light, the overall rising and falling speed and so on are all , very convenient..
Simple Operation: Supports one button operation, the sound activated light LED light with a small size can be loaded into a small case..
AGC and dB Modes: Comes with 2 modes of dB mode and AGC mode with ultra wide range AGC adaptive algorithm, the effect is very pretty..

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Zomei 52mm Ultra Slim ND2-ND400 Fader Variable Neutral Density Adjustable ND Lens Filter Optical Glass

Only 7mm thickness, Wide-angle lens compatible ultra thin frame.
With Zomei Variable Density Neutral Gray filters, users can select the intensity from ND2 (1 f-stop) to ND400 (8+ f-stops) by rotating the front ring.
Glass mounted with high pressure press technology.
All Materials Used in this filter Meet the Requirements of European Union's standards of Environment Protection-ROHS(Restrictions on Hazardous Substances).

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Zomei 49mm Ultra Slim ND2-ND400 Fader Variable Neutral Density Adjustable ND Lens Filter Optical Glass

Only 7mm thickness, Wide-angle lens compatible ultra thin frame.
With Zomei Variable Density Neutral Gray filters, users can select the intensity from ND2 (1 f-stop) to ND400 (8+ f-stops) by rotating the front ring.
Glass mounted with high pressure press technology.
All Materials Used in this filter Meet the Requirements of European Union's standards of Environment Protection-ROHS(Restrictions on Hazardous Substances).

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Graphing Calculator Case for Texas Instruments TI-84 Plus CE Color Graphing Calculator, Also Fits for TI-83 Plus Casio fx-9750GII, Large Capacity for Pens,Cables and Other Accessories-Pink

For ti 84 plus ce case: For ti84 graphing calculator case is compatible for Texas Instruments Ti-84 plus/ CE/ HP Prime Calculator Graphing Calculator, also fits for TI-83 Plus Graphing Calculator.
For Texas instrument graphing calculator case with premium EVA material: For Calculator ti-84 case with hard eva material with durable fabric lining, shockproof, water-resistant, proect for TI-Nspire calculator againest from scratch, dust, damage..
For texas instruments ti-84 case with large capacity: graphing calculator for ti-84 plus ce case with One dividual room for Ti-84 plus calculator, 3 samll nets for ssd cards, the other side of the layer can hold at least 3pcs pencils and pens, 3 mesh pockets fits for cables, cell-phone,rulers and any other stationery..
For ti 84 ce graphing calculator case with unique design: For texas instruments for ti-84 plus ce graphing calculator case with strong 360 degree double zipper, easy to opening and closing. External dimension：8.4’’*4.3’’*1.9’’Inches..
For ti-84 calculator case easy to go: For ti 84 graphing calculator case with durable hand strap allow you easy to take your calculator on the road. Great gifts for your children, students or any other ower for Texas Instruments Calculator..

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NewUgly Calculator with Tablet 12 Digit Black Calculator Pocket Calculator Solar and Battery Dual Power Basic Function Calculator Basic Office Calculators Flat Calculator Calculators for Students

Calculator with Tablet: basic function calculator combines a spocket calculator with a 6 inch writing tablet. calculator with notepad and pen are designed in one piece, this new device subverts the traditional calculator usage that it can effectively save your pen and paper,you can make notes while calculating, improve study and work efficiency..
Solar and Battery Dual Powered: calculator with writing tablet is powered by a button battery CR2025 (already installed on the device).
you'll also get an extra button battery for replacement as well as solar panels on the calculator. With dual power, you can use the calculator daily for about a year. Tips: The solar panel only powers the calculator, not the drawing board..
One-touch Instant Clear and Locked Function: This office calculator has a reusable writing board, which is convenient to use, you can click the button to clear the writing board and protect personal privacy.
and the lock function can avoid accidentally delete.
make a record anywhere with the built-in stylus, this calculator notepad is a perfect choice for work, study or office..
Healthy and Eco-friendly: The blue light-free LCD screen calculators desktop are used to protect the eyes, The LCD writing side works amazingly with enough p....

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