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Best Eyepiece Extension Tubes

Barlow Lens 5X 1.25 Inch M42 Thread Fully Multi-Coated Metal Barlow Lense for Astronomy Telescope Eyepiece Kit Accessory USGohin

  • 5x barlow lens of any 1.25" eyepiece of astronomy telescope.
  • without adding a long extension tube between the telescope and eyepiece.
  • 5 times magnifying power of an existing eyepiece at the cost of a single eyepiece..
  • The apochromatic barlow lens’s fully multi coated optics offers high definition view and a closer detailed look at the moon's surface and other objects..
  • Interface with M42x0.75 Thread: With T/T2 (M42x0.75mm) male thread for T/T2 connectors, work as a t adapter. Connect DSLR or SLR camera to telescope easily via a separate sale t ring adapter. (Adapter not included).
  • Quality Made: Aluminum stock and black anodized body, precision machined.
  • Dust Cap Included: Keeps lens clear easily with 2 dust covers. With safety undercut and brass compression ring, ensure the eyepiece barrels will not be marred by the captive set screw..
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Neewer AF Auto Focus Macro Extension Tube Set 10mm 16mm Compatible with Sony E-Mount Lenses and Maximum Load 500G

  • 【Designed for Sony E-Mount】 Compatible with Sony E-mount APS-C and full-frame cameras, as well as original or third-party Sony E-mount lenses.and....
  • 【Budget-Friendly Solution】 The extension tubes allow your lens to get a focus closer than its minimum focusing distance, thus giving you larger....
  • 【Shoot with Autofocus】 The extension tubes equipped with electronic contacts can transfer data between the camera and the lens, so you can still....
  • 【Easy Installation & Removal】 Install the extension tubes between the camera body and the lens. Installation and removal of the extension tubes....
  • 【Lightweight & Portable】 Merely 1.5oz (42g) when stacked together, the extension tubes barely add any weight to your camera. With a diameter of....
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OMAX 40X-2500X Super Speed USB3 14MP Digital Compound Trinocular LED Lab Biological Microscope

  • Total magnification: 40X-100X-250X-400X-1000X-2500X.
  • Objectives: achromatic DIN 4X, 10X, 40X (S), 100X (S, Oil).
  • Viewing head: 45 degrees inclined 360 degrees swiveling trinocular.
  • Interpupillary distance: sliding adjustable 2-3/16inch ~ 2-15/16inch (55mm ~ 75mm).
  • Diopter: adjustable on both eyepiece tubes.
  • Stage: mechanical stain-resistant double layer, size: 5-1/2inch x 5-1/2inch (140mm x 140mm), translation range: 3inch x 2inch (....
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OMAX 40X-2500X Full Size Lab Digital Trinocular Compound LED Microscope with 14MP USB Camera and 3D Mechanical Stage

  • Total magnification: 40X-100X-250X-400X-1000X-2500X.
  • Objectives: achromatic DIN 4X, 10X, 40X (S), 100X (S, Oil).
  • Viewing head: 45 degrees inclined 360 degrees swiveling trinocular.
  • Interpupillary distance: sliding adjustable 2-3/16inch ~ 2-15/16inch (55mm ~ 75mm).
  • Diopter: adjustable on both eyepiece tubes.
  • Stage: mechanical stain-resistant double layer, size: 5-1/2inch x 5-1/2inch (140mm x 140mm), translation range: 3inch x 2inch (....
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OMAX - A3550U3 5MP USB3.0 Digital Camera for Microscope with 0.01mm Calibration Slide (Windows 8 & 10, Mac OS X, Linux Compatible)

  • Image sensor: Aptina 1/2. 5inch color CMOS.
  • Resolution: 2560x1922 pixels (5M pixels).
  • Frame speed: 14. 2fps at 2560x1922, 38. 3fps at 1280x960, 101. 2fps at 640x480.
  • Interface: USB 3. 0 (compatible with USB 2. 0).
  • Reduction lens: 0. 5X, fit to 23. 2mm eyepiece tube.
  • 0. 01 mm calibration slide: 1mm/100 division.
  • Adapters fit 30mm and 30. 5mm eyepiece tubes.
  • Dimensions: 68mm x 68mm x 45mm (no reduction lens on).
  • Mounting: C-mount or eyepiece tube (23. 2mm/30mm/30. 5mm).
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Orion 5124 2-Inch Telescope Eyepiece Extension Tube

  • Extension tube provides extra focuser "back travel" often needed for short-range terrestrial viewing through a telescope, or for astrophotographic applications.
  • Adds 2" of extension, fits in 2" telescope focusers, and accepts 2" eyepieces or accessories.
  • Features two locking thumbscrews to secure any inserted astronomy accessory.
  • Threaded for use with 2" Orion eyepiece and astrophotography filters.
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Oase Pondovac 4 Pond & Water Garden Muck Vacuum with Free Floating Pond Thermometer

  • Includes: 16 ft intake hose with five rigid extension tubes, 8 ft discharge hose, 13 ft power cord, five nozzle attachments, discharge net, and a convenient rack to store and organize accessories..
  • Dual-chamber Vacuum System: Two cylinders alternate suction and drain cycle to provide continuous suction..
  • Sludge Drain with Drain Hose: Dual-discharge option for draining waste water directly into flower bed or attach debris bag and place into pond to “recycle” pond water during coarse debris removal. Use Drain Cap during wet-vac operation..
  • Aluminum Extension Tubes: Lightweight bend-resistant tubes..
  • Transparent Extension Tube: Allows easy visual inspection of debris material and to monitor operation..
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Starboosa Variable Extension Telescope Camera Adapter - for Canon SLR Cameras Connected to Telescopes - for Prime- Focus Or Eyepiece-Projection Photography

  • Variable Extension Telescope Camera Adapter with a T2-Ring attaches to all Canon SLR and DSLR camera bodies.(Tip: Mirrorless cameras are not suitable for use).
  • Easy-to-use,extendable camera adapter is designed to connect the camera body and telescope together,Eyepieces can be placed inside the extension tube of adapter to increase the detail and clarity of photography..
  • Essential accessory for anyone interested in astrophotography. It can be used for SLR camera prime focus photography and eyepiece projection photography..
  • Multiple shooting methods:The eyepiece can be fixed in the front cylinder to achieve a long focal length for small objects, such as photographing the moon crater. Using adapter without eyepieces is equivalent to using the focal length of a telescope,suitable for taking pictures of the entire moon, gas nebula, etc.(Choose: Full-Frame mirrorless camera adapter. Search its ASIN:B08LYP5YST).
  • Extension tube can accommodate eyepieces up to 38mm (1.49 "). After connecting the eyepieces, the distance between the front and rear can be adjusted to zoom in or out to obtain a zoomable image. It is recommended to use eyepieces, which can be fixed in the barrel, so the camera can get higher quality images. If there is a problem with the use, please c....
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OMAX 10.0MP Digital USB Microscope Camera with Advanced Software and Calibration Slide (Windows 8 & 10, Mac OS X, Linux Compatible) 10MP

  • Image sensor: Aptina 1/2.3inch color CMOS.
  • Resolution: 3584x2748 pixels (10M pixels).
  • Frame speed: 1.9fps at 3584x2748, 8fps at 1792x1374, 27fps at 896x684.
  • Reduction lens: 0.5X, fit to 23.2mm eyepiece tube.
  • 0.01 mm calibration slide: 1mm/100 division.
  • Adapters fit 30mm and 30.5mm eyepiece tubes.
  • Compatible with Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10, Mac OSX, Linux.
  • 1-year warranty against manufacturing defects.
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OMAX 2.0MP Digital USB Microscope Camera with Advanced Software and Calibration Slide (Windows 8 & 10, Mac OS X, Linux Compatible)

  • Image sensor: Aptina color CMOS: Resolution: 1600x1200 pixels (2.0M pixels): Pixel size: 3.2um x 3.2 um.
  • SNR: 43dB: Dynamic Range 61dB: Frame speed: 16fps at 1600x1200, 50fps at 800x600: Interface: USB 2.0 only.
  • Reduction lens: 0.5X, fit to 23.2mm eyepiece tube: 0.01 mm calibration slide: 1mm/100 division: Adapters fit 30mm and 30.5mm eyepiece tubes: Dimensions: phi63mmx37mm (no reduction lens).
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SVBONY 1.25 inches CA1 Extension Tube M42 Thread T Mount Adapter and T2 Ring Compatible for Nikon DSLR Camera Photography and Telescope Eyepiece

  • Designed for Nikon SLR / DSLR Models. including for: D1, D2, D3, D3S, D3X, D35, D4, D40, D40X, D50, D60, D70, D80, D90, D100,D200, D300, D300S, D600, D700, D750, D800, D800E, D810, D3000, D3100, D3200, D5000, D5100, D5200,D7000, D7100, etc. Note: it doesn't fit mirrorless cameras.
  • t ring adapter and extended cylinder together.
  • then attach the camera to telescope manual focusing then get a clear image.
  • The SVBONY extended cylinder length 68mm.
  • the extension tube fits all standard 1.25" telescopes and microscope.
  • get more sharp images and different photographic results.
  • fit any 1.25'' diameter eyepiece holder telescope and microscope.
  • Added filter thread on the bottom for any 1.25-inch filter.
  • Made of high quality aluminum alloy and durable.
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SVBONY SV157 Extension Tube 1.25 inch Optical Length 40mm Total Length 70mm Extension Tube for Telescope 70mm

  • SV157 1.25" extension tube can help your eyepiece and camera focus well.
  • SV157 1.25" extension tube is threaded at the end to accommodate a standard 1.25" filter.
  • SV157 1.25" extension tube is made of all-metal material and has a long service life.
  • The inside of the SV157 has full threads to reduce reflected light.
  • with a brass compression insh to prevent the marring of your telescope accessories.
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VILTROX Autofocus Macro Extension Tube Set AF Lens Adapter Rings Set 36mm+20mm+12mm Compatible with Canon EF/EF-S Lens

  • Compatible with: Canon 1300D 1500D 760D 750D 800D 700D 650D 600D 80D 70D 5DII 5DIII 5DIV 6D 7D etc. Camera and Canon EF EF-S series lens.
  • This Macro Extension Tube Set (12/20/36mm) for Canon includes 3 extension tubes of different length, 12mm,20mm,36mm, which can be used individually or....
  • The AF extension tube set can turn your lens into a macro lens. It moves the lens out of the film or digital sensor. The closer the focus is, the....
  • Through electronic contacts the tubes support auto focus for better linkage with camera and less difficulties in focusing when doing macro shooting..
  • Thise three tubes can make up to 7 combinations,enabling you to attain different degree of magnifications by correctly mounting them between your lens....
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