Best Dual window Optical Couple

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  • Improved Dual Pixel CMOS AF and eye detection AF 24.1 Megapixel CMOS (APS-C) sensor with is 100–6400 (H: 12800).
  • Built-in Wi-Fi and NFC technology working temperature range: 32-104°F/0-40°C.
  • Optical Viewfinder with approx 95% viewing coverage.
  • Use the EOS Utility Webcam Beta Software (Mac and Windows) to turn your compatible Canon camera into a high-quality webcam.
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Alienware - Aurora R7 Desktop - Intel Core i5-8400 - 8GB RAM - Dual NVIDIA GeForce GTX 1070TI - 1TB Hard Drive

  • 8th Gen Intel Core i5 8400 (6-Core, 9MB Cache, up to 4.0GHz with Intel Turbo Boost Technology).
  • 2x NVIDIA GeForce GTX 1070 Ti with 8GB GDDR5.
  • 8GB Dual Inline Memory Module DDR4 at 2666MHz.
  • Windows 10 Home 64bit, Optical Drive: NOT INCLUDED, Keyboard & Mouse Included.
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Bloody B820 Optical Mechanical Gaming Keyboard with Individually Backlit RGB LED Keys Wired, 104 Keys Standard, Blue Switch - MX Blue Equivalent for Windows PC and Laptop

  • RGB Mechanical gaming keyboard: Enjoy a Brilliant display of chroma lighting and premium double shot ABD keycap feel with Bloody’s B820 keyboard designed for the minimalist and built sturdy with aluminum grade panels..
  • Optical Mechanical Blue Switches: Optical switches actuate 30x Faster then traditional mechanical switches. Our LK Blue switches (Cherry mx Blue equivalent) offer a smooth and linear tactile feel for quieter typing, ideal for office or gaming use..
  • Water Resistant Gaming Keyboard: This optical mechanical gaming Keyboard comes fully nano coated to ensure that even when accidents happen it won’t keep you out of the fight. Dedicated drain holes at the back end of the keyboard help liquids flow clearly out of the keyboard housing..
  • 13 Backlit Modes: Press FN+F8 to enter a verity of RGB LED adjustable lighting animations. Along with 7 single color backlit modes for your gaming keyboard. You can also adjust their brightness with FN + “↑ arrow” or “↓ arrow”..
  • PC GAMING KEYBOARD COMPATIBILTY: Windows 10, Windows 8, Windows 7, Windows Vista, or Windows XP, Limited Mac OS keyboard support.
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HP Newest 14inch Chromebook AMD Dual-Core A4-9120C Processor, 4GB DDR4 Memory, 32GB eMMC Storage, AMD Radeon R4 Graphics, Chrome OS-Gray(Renewed)

  • AMD Dual-Core A4-9120C APU (Turbo to 2.4GHz, 1MB Cache), 4GB DDR4-1866 SDRAM, 32GB SSD Storage,.
  • 14" Diagonal HD SVA Anti-Glare WLED-backlit Display (1366 x 768), AMD Radeon R4 Graphics, Micro SD Card Reader, HP TrueVision HD Camera with Integrated Dual Array Digital Microphone, NO Optical Drive.
  • Open/Edit MS Office Files Using Free Embedded Quick Office Editor or Google Docs for Free.
  • Qualcomm Atheros QCA6174A-5 802.11a/b/g/ac 2x2 Wi-Fi and Bluetooth 4.2 Combo, 2x USB 3.1 Type-C Gen 1(Charging, power delivery, video, data), 2x USB 2.0 Gen 1, 1x Headphone/microphone Combo Jack, B&O Play Audio, Dual speakers.
  • Google Chrome OS, NOT Compatible with Windows, 2-Cell Lithium Ion Battery, Power Cord Included.
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Dell Latitude E7240 12.5? Business Laptop, Intel Core i5-4310U, 8GB DDR3L RAM, 256GB SSD, Windows 10 Professional (Renewed)

  • 12.5″ HD (1366×768) LED-backlit Display, Intel Integrated Graphics (32 MB).
  • Intel Core i5-4310U 2.0GHz Processor (3M Cache, Max Turbo Frequency 3.0GHz), 8GB Dual Channel DDR3L 1600MHz Memory (4GBx2), 256GB Solid State Drive, No Optical Drive.
  • Includes all original accessories plus a 90 day warranty.
  • Windows 10 Professional, 4-cell (45WHr) Primary Lithium Ion Battery, Recovery partition only, no recovery disc.
  • Backlit Keyboard, 802.11ac/a/b/g/n Dual Band Wireless, Bluetooth 4.0, 10/100/1000 Gigabit Ethernet LAN, HD Webcam, HDMI, Mini DisplayPort, RJ-45, USB 3.0, Audio, E-Port Connector.
  • This Certified Refurbished product is refurbished to factory specifications, it shows limited or no wear.
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2016 HP 17.3 Pavilion Flagship High Performance Laptop- Intel Core i5-4210U 4GB RAM 1TB HDD HD+ Display 1600 x 900 DVD/CD Burner HDMI Webcam WIFI Windows 10 Silver

  • Intel Core i5-4210U 4th Gen Haswell Dual-Core 1.7-2.7GHz 3MB Cache, Intel HD Graphics 4400.
  • 4GB system memory, 1TB 5400RPM hard drive, Full keyboard with 10-key numeric keypad , Bang & Olufsen with dual speakers.
  • 17.3-inch HD+ Energy-efficient WLED backlight BrightView display (1600 x 900).
  • DVD+R/RW optical drive, SD, MMC card reader | 2 SuperSpeed USB 3.0 | 1 Universal Serial Bus (USB) 2.0 |1 HDMI | 1 RJ-45 (LAN) , 1....
  • Windows 10 Home, 64-bit, Battery life up to 5 hours.
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Partaker B13 Fanless Mini PC,Gaming PC 4K HD Mini Desktop Intel Core i7 7560U,Windows 10 64 Bit/Linux,Dual LAN Dual Display Optical 8usb Ports(32GB Ram 512GB SSD)

  • Intel i7 7th Dual Core CPU, Base Frequency 2.4GHz, Turbo Frequency: 3.8GHz, 4M SmartCache, 14 nm Lithography.
  • Intel Iris Plus Graphics 640, 4096x2304, 4K Support, Dual Monitor Capable via connecting HDMI and DP, saving your time and improving work efficiency..
  • 2*LAN+ DP+ HDMI+ 4*USB 3.0+ 4*USB2.0+ 1*Optical+ Spk+ Mic(1*SD Card Reader has been cancelled, without SD Card Reader for new batch).
  • Windows 10 Pro Or Linux, 300M 2.4/5Ghz dual band wireless high-speed Wi-Fi, Fanless silent running,Aluminum alloy case..
  • Size at 224*181*49.2mm, 2.5kgs,19v4.74a power supply, with power cord,all use big brand memory and ssd/hdd with quality assurance. Very powerful mini pc.
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HP Slim 270 High Performance Desktop Tower Intel Celeron G3930 Processor 4GB DDR4 Memory 500GB 7200RPM Hard Drive DVD WiFi Bluetooth Keyboard and Mouse Windows 10

  • Intel Celeron G3930 dual core processor 2.9GHz. Integrated Intel HD graphics.
  • 4GB DDR4-2400 RAM, 500GB 7200 rpm SATA Hard Drive. DVD/CD writer. 3-in-1 card reader, NO speakers, No Monitor.
  • Integrated Bluetooth 4.2 and Wireless LAN 802.11a/b/g/n/ac featuring Dual-band (2.4 GHz and 5.0 GHz) 1 x 1 technology.
  • LAN: 1000BASE-T, 1x USB 3.0, 1x USB 3.0-Type C, 1 xHeadphone/Microphone.
  • Audio Codec: ALC3863-CG High Definition (Azalia) 5.1 channel audio support.
  • Windows 10 home. HP USB keyboard and HP USB optical mouse included..
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Ergonomic Mouse Wireless, ProtoArc EM11 Bluetooth Vertical Ergo Mouse, Rechargeable, 2.4G RGB Optical Vertical Mice with 3 Adjustable DPI, 3-Device Connection for PC, iPad, Mac, Windows-Black

  • ...taneously. easily switching by the click of a mode switch button, compatible with Windows 8, Windows 10, Mac Os X 10.12 or later, Android 4.3 or later.
  • Adjustable DPI and Convenient: Forward/backward buttons provide convenience when browsing the web, 1000/1600/2400 DPI Levels provide higher sensitivity than standard optical mice for precise optical tracking, and whisper-quiet clicks help you focus on what's important.
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Celestron 21024 FirstScope Telescope & Finderscope

  • 11 inches Schmidt cassegrain telescope with celestron’s Premium Star Bright XLT optical coatings.
  • Optical Tube Length: 24" | Optical Tube Diameter: 12.3" | Optical Tube Weight: 65 lbs (with mount) | Tripod leg diameter: 2" | Mount Head Weight: 65 lbs (with optical tube) | Tripod Weight: 19 lbs | Total Telescope Kit Weight: 84 lbs.
  • Height adjustment range (includes mount and tripod): 55" - 70".
  • Fully Computerized dual Fork arm altazimuth mount with internal GPS and database of 40, 000+ celestial objects.
  • 9x50 finderscope to help accurately find objects.
  • Heavy duty tripod makes attaching the telescope so easy you can do it in the dark. Ergonomic design so you can comfortably lift and move the telescope.
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