ReviewsOptical Contrast Ratio Meter

TacPower AC Power Cord Cable For HP XB31 SB21 MP2210 MP3130 MP3220 MP3320 DLP Projector

  • HP vp6310 Digital Multimedia Projector with up to 230-inch Display General Features: White casing.
  • Texas Instruments DLP technology projector Native Resolution : 800 x 600 Brightness: 1600 ANSI lumen.
  • Contrast Ratio: 2000:1 Lens Features: optical zoom, manual focus.
  • Projection Screen Size: 24 to 230-inches Projection Distance: 5 to 30 feet Lamp Type:200-watt P-VIP.
Check Stock

Dell Professional P2317H 23" Screen LED-Lit Monitor (Renewed)

  • IPS Monitor: 23-inch Full HD 1920x1080 at 60Hz IPS display with 16:9 aspect ratio.
  • Contrast Ratio: This display offers a 1000:1 contrast ratio (typical) and dynamic contrast ratio of 4,000,000:1.
  • Wide Viewing Angles: It offers a wide viewing angles of 178 degrees with 6ms gray-to-gray (typical) response time.
  • Connectors: This display featurers 1 x HDMI 1.4, 1 x DisplayPort 1.2, 1 x D-sub., 1 x USB 3.0 port (upstream), 2 x USB 2.0 ports, and 2 x USB 3.0 ports.
  • Mounting: It is 100x100 VESA mount compatible and accepts 100 to 240 VAC, 50 or 60 Hz power supply.
Check Stock

SVBONY SV503 Telescope 80ED F7 Telescope OTA Focal Length 560mm for Exceptional Viewing and Astrophotography

  • SV503 Telescope OTA is designed with ED glass.
  • SV503 80ED telescope produces an especially colour true and high contrast image.
  • just right for more discerning observers.
  • The gear ratio of the dual speed 2-inch toothed focuser is 1: 10.
  • which makes it easy to achieve accurate focus.
  • The appearance of the SV503 OTA is baked with high-end fine-grained paint.
  • with exquisite appearance and delicate feel.
  • The whole optical lens adopts the technology of ultra-wideband multilayer coating.
  • fully multi-coated ED optics deliver outstanding views.
  • 80mm F7 astronomy telescope SV503 would be better begin for astronomy amateurs to do astrophotography.
Check Stock

Pwr 3 Prong LCD TV AC Power Cord Cable Extra Long 6 Ft L-Type Plug Compatible with Vizio Samsung Toshiba Sony Panasonic Lg Dell Monitor Plasma DLP LED Screen Ps3 Xbox 360 Epson Printer

  • ✶【380 ANSI LM & Portable Native 1920*1080P & 10000:1 Contrast Ratio】AYO1 outdoor projector adopts the exclusive optical system and BSCO panel to....
  • ✶【Smooth and stable 2.4G/5G Dual WiFi Connection 】Enjoy Wireless Freedom! Mirror everything on your phone to 4k projector in 1sec. With 2.4G/5G....
  • ✶【 Latest 5.1 Bidirectional Bluetooth】 The newest Bluetooth 5.1 chip gives more stable and faster speed. With Bidirectional BT tech, AYO1 can....
  • ✶【Upgraded 4D / Auto Vertical Keystone Correction & One-Click reset 】AYO1 has updated 4D (Vertical & Horizontal) ±50° keystone correction....
  • ✶【Dust-Proof Sealed Optical Engine & Advanced Cooling System】The Sealed Optical Engine prevents dust from entering the inside of the video....
Check Stock

Rokinon 16MAF-N 16mm f/2.0 Aspherical Wide Angle Lens for Nikon (DX) Cameras

  • Fast, upgraded f/1.8, compact FX format prime lens. The picture angle with 35 millimeter (135) format is 47 degree and the maximum reproduction ratio is 0.15X.
  • Focal length 50 millimeter, minimum focus distance 1.48 feet (0.45 meter).
  • Newly developed optical system with aspherical lens element, exclusive Nikon silent wave motor (SWM).
  • M/a focus mode switch, filter thread 58 millimeter, autofocus: Yes. Dimensions (approx.) (from the camera lens mounting flange): Approximately 2.83 inches diameter x 2.01 inches.
  • Optimized for edge to edge sharpness on both fx and dx format d SLRS.
Check Stock

ViewSonic PJD5223 XGA DLP Projector – 2700 Lumens 3000 1 DCR 120Hz/3D Ready Speaker

  • XGA 1024x768 DLP projector, 2700 ANSI Lumens, 3000:1 Contrast, 1.1x Optical Zoom Lens.
  • Throw Ratio 1.97?2.17:1, Multiple inputs: Dual RGB in, composite, s-video, RGB out, audio in/out, RS232, Supports HD 720p and 1080i/p.
  • 120Hz/3D-ready, Digital keystone correction +/- 40°, 2 Watt Integrated Speaker.
  • Portable 5.7 lbs weight, Lamp life: 5000/6000 (Normal/Eco), Apple Mac compatible.
  • 8 preset picture modes, including, bright, cinema, whiteboard, etc., Eco Mode for energy savings, longer lamp life and reduced operating noise,.
Check Stock

Axess TVD1805-24 24-Inch 1080p LED HD TV | VGA/HDMI Inputs, Built-in DVD Player, Full Function Remote

  • Wall mountable | mount not included | Brightness is 160 cd per square meter, plus or minus 10 percent.
  • TV Dimensions – 25" W x 8" H x 7" D | Screen size – 24” measured diagonally | Power consumption (while in use) – ≤36W | No Bluetooth or WiFi capabilities.
  • Contrast Ratio – 600:1 | Built-in DVD player.
  • Full function remote control | Max Resolution: 1920 x 1080.
  • Inputs: HDMI – 1 | Card reader – Micro SD | Audio/Video | Coaxial Output Jack | CVBS Input | Earphone Audio Jack | PC Audio Jack | USB Input | VGA.
Check Stock

Dell P2418HT 23.8\ Touch Monitor - 1920x1080 LED-LIT, Black

  • Screen Size 24 inch, Touchscreen Type 10 point touch, Cabinet Color Black, Usage Consumer, Panel IPS,.
  • Display Type Full HD, Maximum Resolution 1920 x 1080, Recommended Resolution 1920 x 1080, Viewing Angle 178 degree (H) / 178 degree (V), Pixel Pitch 0.275 millimeter, Display Colors 16.7 Million.
  • Brightness 250 cd/square meter, Contrast Ratio DCR 8,000,000:1 (1,000:1), Response Time 6ms (GTG), Input Video Compatibility Analog RGB, Digital, Connectors D Sub, HDMI, DisplayPort, DVI 1.
  • Power Supply AC 100/240 Volts (50/60 Hertz), Power Consumption Power Consumption Operational: 18 Watt, VESA Compatibility Mountable 100 x 100 millimeter, Dimensions & Weight Dimensions (H x W x D), 12.70 inch x 21.20 inch x 9.30 inch w/ stand , Weight, 6.88 pounds.
Check Stock

Rockville BluTube LED 70W Bluetooth Tube Amplifier/Home Stereo Receiver with Blue Illumination, Optical Input, Sub Output

  • Rockville BluTube LED 70W Bluetooth tube amplifier/home stereo receiver with blue Illumination, optical input, Sub output.
  • Rockville blutubeled audiophile grade tube amplifier with Bluetooth. Black Color with blue illuminated tubes and blue illuminated knobs. 25 watts x 2 RMS @ 8 ohm. 35 Watts x 2 RMS @ 4 ohm. (1) set of RCA inputs to connect to any audio device like a TV, laptop, or MP3 player, etc. Optical input..
  • Coaxial input. Sub output. Tube Amps do not hard-clip even at high volumes and are extremely efficient. Due to this the amp sounds more like double the rated power! . Built in Bluetooth with 33 foot range. Built-in preamplifier. Headphone output. Vu meter. Adjustable bass and treble (2 band equalizer)..
  • Usb input for music files from USB thumb drive. Rear speaker terminals: banana Plug/ binding post outputs for 2 speakers. Frequency response (3dB): 22hz-20khz. Input impedance: 47Ko. Input sensitivity: 300mV. Output Impendence: 4-8ohm..
  • Total Harmonic distortion): ≤0. 02%. Signal-to-Noise ratio(s/n): ≥86dB. Bluetooth: 2. 1+Edr. Usb: Supports WAV/MP3/WMA/APE/FLAC. 110V. Unit weight: 6. 6 lbs. Unit dimension: 10. 6"X10. 2"X5. 1".
Check Stock

Dire Straits

  • Features of BluTube WD Rockville BluTube WD Audiophile grade tube amplifier with Bluetooth Color 2-Tone silver with wood accent 25 watts x 2 RMS @ 8 ohm 35 watts x 2 RMS @ 4 ohm (1) set of RCA inputs to connect to any audio device like a TV Laptop or MP3 player etc.
  • Optical input Coaxial input Sub output Tube amps do not hard-clip even at high volumes and are extremely efficient Due to this the amp sounds more like double the rated power!.
  • Built in Bluetooth with 33 foot range Built-in Preamplifier Headphone output VU meter Adjustable bass and treble (2 band equalizer) USB input for music files from USB thumb drive.
  • Rear Speaker Terminals Banana plug / binding post outputs for 2 speakers Frequency Response ( 3dB) 22Hz-20kHz Input Impedance 47kO Input Sensitivity 300mV Output Impendence 4-8ohm Total Harmonic Distortion(THD) ≤0 02%.
  • Signal-to-Noise Ratio(S/N) ≥86dB Bluetooth 2 1+EDR USB Supports WAV/MP3/WMA/APE/FLAC. Unit weight 6 6 lbs Unit dimension 10 6″ x 10 2″ x 5 1″.
Check Stock

ViewSonic PJD8653WS WXGA 1280x800 DLP Projector (Black)

  • WXGA (1280x800) 16:10 3000 Lumens Ultra Short Throw Projector with a 15,000:1 Dynamic Contrast Ratio, Vertical Digital Keystoning, and a Screen Size of 80-Inches from 2-Feet.
  • With advanced color technology and outstanding sharpness, this feature-rich projector also provides a vast selection of inputs while offering industry-leading durability and dust-resistance.
  • Certified with AMX Device Discovery, the PJD8653WS easily integrates into any size campus or enterprise.
  • Convenient classroom friendly design with up to 7,000 lamp hours (Eco mode), stereo 8W built-in speakers, optical focus and zoom, and a snow white finish.
  • Ethernet LAN (RJ45), 3.5mm Audio In/ Out, 3.5mm Mic In, HDMI, VGA In (x2), VGA Out, Composite RCA, Component, S-Video, and Mini USB.
  • Product Dimensions: 14.1 x 9.9 x 14.4 Inches.
  • 3-year limited warranty on parts and labor, 1-year limited warranty on lamp, 1st year free Express Exchange service with product registration.
  • Box includes PJD8653WS Projector, Power Cable, VGA Cable, Remote Control with Batteries, Quick Start Guide, and ViewSonic Wizard DVD.
  • Compatible with Mac, and Windows, can be connected with DVD players, Blu-ray players, Amazon FireTV, AppleTV, Goo....
Check Stock