Top 30mm Tube Reviews

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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ＯＨＴＯ　Wood axis mechanical pencil with eraser 　Dark red　(2mm)　 Replacement HB, B (2mm) 　Exclusive replacement eraser 　Brass sharpener (2mm only) 　Brass core case (2mm only)

  • COST-EFFECTIVE: Come with 4 Metal mechanical pencil (0.5mm Silver * 2 & 0.7mm Gold * 2), 4 tube lead refill (30 lead refill/ tube) (0.5mm*60 & 0.7mm*60), 2 * 2B erasers, a plastic pencil box..
  • EASY TO USE: our mechanical pencil is made of a metal thread anti-slip pen tube, the Lead Refills is made of resin, the hand touch will not become black. Retractable nib, it is hard to be broken and drop resistant. Mechanical pencil and lead refill in use, just a gentle push, the lead refill are easy to move forward. No need to sharpen, save time, very convenient..
  • QUALITY ERASERS: They are not easy to break even when bending hard or apply a lot of pressure. Erasers can erase most pencil marks without smudging and soft material will not paper or leave marks behind. Erasers don't crack or harden with age..
  • EASY STORAGE: Includes a minimalist pencil box. Transparent, lightweight pencil boxes can help you store your stationery neatly. You can take it anywhere. This is the ideal mechanical pencil set for students, teachers, artists, and professionals. Suitable for writing, draft, drawing, sketching..
  • WHAT YOU GET: 4 Metal mechanical pencil (0.5mm Silver * 2 & 0.7mm Gold * 2), 4 tube lead refill (30 lead refill/ tube) (0.5mm*60 & 0.7mm*60), 2 * 2B erasers, a plasti....
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Atom Optics 30mm Dovetail Scope Rings for 3/8\ or 11mm Dovetail Rails High Profile Scope Mounts 2PCS

  • 30mm scope rings 11mm Dovetail Rails 2pcs high profile，with allen wrench.
  • 3/8 Dovetail scope rings made of solid aluminum alloy with anodized black matte finish,precision machined.
  • Dovetail scope rings for 3/8" or 11 mm,the ring is for most scopes which are in 30mm scope tube.
  • 11mm Dovetail scope ring Base Designed with Locking Hex Screws to Tightly Fit on Mounts with 11mm Dovetail Dimension.
  • High profile scope rings (item height:2"),the height from the center of the scope tube to the picatinny base is 1.33 inches(34mm).
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DNM Mountain Bike Bicycle Dropper Seatpost Remote Lockout 30.9 x 380mm

  • Weight : 0.55 kg / 1.21lb ( With remote control ).
  • Tube length × Travel: 380mm × 125mm (14.96in × 4.92in).
  • Seat tube maximum insert length 170mm (6.69in).
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BCW Half-Dollar Coin Storage Tubes - 10 ct

  • 10-Tubes Total. Each tube holds 20 half-dollars (without a wrapper).
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Wangdd22 15pc/Set 1.75mm Teflon Throat Tube+0.4mm Extruder Nozzle Print Heads+Heater Blocks Hotend for MK8 Makerbot Anet A8 3D Printer

  • Pack of 5 x 3D Printer Extruder Hotend 30mm Length 1.75mm Nozzle Inputting Tube( for MK8 Makerbot Reprap Prusa I3 3D Printer) and 5 x 3D Printer 0.4mm....
  • 0.4mm Extruder Brass Nozzle Print Head: Color - Golden.
  • Compatibility: compatible with all 1.75mm PLA ABS 3D Printer.
  • Quanlity:15pcs/lot (5 piece 1.75mm Nozzle Inputting Tube,5 piece 3D Printer 0.4mm Extruder Brass Nozzle Print Head,5 piece Heater Blocks Hotend).
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Fenix 26 Beach Cruiser Fork Black 1 Threaded

  • DONSP1986 26inch THREADLESS bike fork 360mmx180mmx25.4mmx28.6mm -Disc Brake Mounts,Steerer 180mm/7.086”, OD 1-1/8”.
  • Disc Brake mount and Caliper Brake mount.
  • Steerer Tube: OD 1 1/8”(28.6mm), ID 1”(25.4mm).
  • Compatible with 26” bikes such as MTB bike, Road bike, Cruiser bike,Fixed Gear bike and most bikes else.
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BARSKA CO11492 Colorado Rifle Scope 3-9x40 30/30 Reticle with Rings, Black

  • Precision Aiming: The 3-9x magnification scope features 1/4 MOA click adjustments for precision accuracy..
  • Quality Construction: The scope comes with 1" tube amd fully-coated optics, providing impressive viewing clarity..
  • 30/30 Reticle: The scope comes with 30/30 crosshair reticle for easy targeting, ideal for any type of shooting..
  • Parallax Free: The scope is parallax free at 100 yards, making it easy to target at closer range..
  • Robust Design: The scope is built with extra-rigid construction, being waterproof, fogproof, and shockproof..
  • Made to provide target shooters and hunters with firing precision and in-field dependability at affordable price.
  • 12.04-37.35ft Field of View at 100 yards.
  • ¼ Inch click value on side adjustment knobs for windage and elevation.
  • Comes complete with scope caps, mounting rings and lens cloth.
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Mcoplus Metal Bayonet Automatic Macro Extension Tube Set 10mm & 16mm &21mm for FujiFilm XF Mount Camera and Lens/Such as Fuji X-Pro1, X-E1, X-M1, X-A1, X-E2

  • 1. Package: EXT-FX-M Metal AutoFocus Macro Extension Tubes Set :10mm tube, 16mm tube, 21mm tube ..
  • 2.【Macro function】 Give a higher magnification at a closer distance, enter into micro world. Getting closer has the effect of magnifying your subject (making it appear larger in the viewfinder and in your pictures).
  • 3.Work with Fujifilm X Mount Mirrorless Cameras X-T1 X-T2 X-Pro1 X-Pro2 X-T10 X-A1 X-E1 X-E2 X-E3 X-T20 X-T3 X-T30 , and so on.
  • 4.Macro extension tube can be used individually or in any combination to obtain the desired magnification. alone 10 mm or 16 mm or 21mm , or combination 10mm+16mm=26mm,10mm+21mm=31mm, 16mm+21mm=37mm. (the focal length of lens should be greater than the length of the tube).
  • 5. Designed for Fuji X-Mount lens mounting at a higher magnification at a closer distance. It enables you to use all shooting modes of the camera, exposure compensation is required. Recommend use the manual mode to change the shutter speed directly to control the exposure level..
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OMAX 40X-2500X USB3 18MP Digital Lab Trinocular LED Compound Microscope with Aluminum Carrying Case

  • Eyepieces: wide field WF10X/18 and WF25X.
  • Objective: achromatic DIN 4X, 10X, 40X (spring),100X (spring, oil).
  • Head: 30 degrees inclined 360 degrees rotatable trinocular Siedentopf.
  • Interpupillary: hinge adjustment 1-7/8inch ~ 2-15/16inch (48mm ~ 75mm).
  • Diopter: adjustable on left eyepiece tube.
  • Nosepiece: revolving, quadruple, reversed.
  • Total magnification: 40X-100X-250X-400X-1000X-2500X.
  • Stage: X-Y mechanical stage with scales, range 3inch x 1-9/16inch (78mm x 40mm), dimension 5-1/2inch x 4-1/4inch (140mm x 1....
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20Inch Bike Fat Air Fork Snow/Beach Bike Fork Double Shoulder Air Gas Suspension Magnesium & Aluminum Alloy Spread 135mm Fit 4.0’’Fat Tire

  • Material: Magnesium and Aluminum Alloy , sturdy and durable..
  • Size: Travel:140mm, straight tube : Aluminum alloy Φ28.6x230mm (1-1/8), Spread 135mm..
  • Features: Rebound adjust, Lock-out system, Air spring..
  • Steady: The inner tube diameter is 34mm, stronger than the previous 30/32mm inner tube, steady and sturdy..
  • Suitable for:20 inch Snow/ Beach Bike - 4.0" Tire, E-Bike, etc..
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OMAX 40X-2000X USB3 5MP Digital Lab Trinocular LED Compound Microscope with Aluminum Carrying Case

  • Eyepieces: wide field WF10X/18 and WF20X.
  • Objective: achromatic DIN 4X, 10X, 40X (spring),100X (spring, oil).
  • Head: 30 degrees inclined 360 degrees rotatable trinocular siedentopf.
  • Interpupillary: hinge adjustment 1-7/8inch ~ 2-15/16inch (48mm ~ 75mm).
  • Diopter: adjustable on left eyepiece tube.
  • Nosepiece: revolving, quadruple, reversed.
  • Total magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X.
  • Stage: X-Y mechanical stage with scales, range 3inch x 1-9/16inch (78mm x 40mm), dimension 5-1/2inch x 4-....
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Onyehn 22pcs/Lots A8&A2 3D Printer Part Each 5PCS 0.4mm Extruder Nozzle Print Head+1.75mm Teflon Throat Tube+Heater Blocks Hotend for MK8 Makerbot Reprap

  • Pack of 5 x 3D Printer Extruder Hotend 30mm Length 1.75mm Nozzle Inputting Tube( for MK8 Makerbot Reprap Prusa I3 3D Printer) and 5 x 3D Printer 0.4mm....
  • 0.4mm Extruder Brass Nozzle Print Head: Color - Golden.
  • Compatibility: compatible with all 1.75mm PLA ABS 3D Printer.
  • Quantity:22pcs/lot (5x 3D Printer Nozzle Throat Tube 5x Nozzle Print Heads 5x Heater Blocks Hotend 5x M6 nuts 2x Hex Key Wrenches (for MK8 Makerbot....
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