Reviews Newtonian Telescopes

Orion 05531 Thin Off-Axis Guider for Astrophotography (Black)

  • Delightfully thin off-axis guider ideal for use with Newtonian reflector telescopes and DSLR cameras.
  • Lets you guide and capture astrophotos simultaneously through one telescope. No guide scope required!.
  • 10.5mm thickness perfect for use with Newtonian reflectors which have limited back focus travel.
  • Will not interfere with the use of coma correctors thanks to its thin profile.
  • Compensates for any existing flexures that may interfere with accurate guiding and tracking.
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SVBONY SV197 Collimating Cheshire Eyepiece 1.25 Inch Collimation Eyepiece for Newtonian Reflector Telescope

  • SV197 cheshire collimating eyepiece fits for Newtonian and SCT reflector telescopes.
  • also useful for aligning refractor optics very accurately.
  • The SV197 cheshire collimating eyepiece for accurate alignment of any Newtonian reflector telescope mirrors.
  • ideal for ensuring the optical alignment.
  • The SV197 cheshire collimating eyepiece can directly see the result of the calibration.
  • Precision machined from aluminium with fine crosshairs and a clear bright mirror with sighting hole.
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Celestron Stereo Binocular Viewer for Telescopes & Zoom Eyepiece for Telescope - Versatile 8mm-24mm Zoom for Low Power and High Power Viewing - Works with Any Telescope That Accepts 1.25" Eyepieces

  • The Baader Q-Turrt Quadruplet 1.25" Eyepiece Revolver can be used on most scopes even when inserted.
  • The Q-Turret Quadruplet 1.25" Eyepiece Revolver can be used in conjuction with optional Baader Ortho.
  • The Baader Q-Turret Quadruplet Eyepiece Revolver has a concave dished compact shape..
  • Requires an additonal 38mm of back-focus (in-focus travel). Hence, not for use with Newtonian or Dobsonian reflector telescopes.
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SVBONY SV138 Diagonal Mirror 1.25 inch 45 degree Correct Image Prism Diagonal Mirror Fully Metal for Refractor Astronomy Telescope with Dust Cover

  • SV138 Diagonal Mirror fits for 1.25inch telescope eyepiece and focuser.
  • Correct upside down and left-right reversed image easily.
  • Even if you want to observe wildlife or other scenery during the day.
  • SV138 diagonal mirror can also easily provide you with the right image.
  • aluminum alloy housing and stainless steel cover.
  • Extend SV138 diagonal mirror’ life and make it more durable without worrying about damage during use.
  • Provides a uniform pressure-receiving area when holding the eyepiece.
  • it does not damage your expensive eyepieces.
  • The SV138 45-deg correct-image diagonal requires 5/8" more focus travel than typical diagonals.
  • Not recommended for use in Newtonian reflector or Dobsonian reflector telescopes.
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Telescope 114AZ Newtonian Reflector Telescope for Astronomy Adults Great Astronomy Gift for Kids Adults Comes with Cellphone Adapter & 1.25 Inch 13% T Moon Filter

  • ...ore. With the help of the stable, durable and adjustable tripod. Simply touch your phone's screen, then you can record special astronomical moments, share your excitement with friends and family in real-time..
  • 【Reliable Service】We are committed to providing customers with high-quality and affordable astronomical telescopes. If you have any question about product and service, please feel free to contact us, we will do our best to help you in 24 hours..
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Astromania 2' SCT 90-Degree Mirror Diagonal with 93% reflectivity Across Visible Spectrum - fits Rear Cells of Schmidt-Cassegrain telescopes and Includes an Adapter to use with Refractor telescopes

  • It fits all rear cells of Schmidt-Cassegrain telescopes and includes an adapter to use with refractor telescopes..
  • The 2" SCT diagonal features dielectric coatings with 93% reflectivity across the visible spectrum and a 1/10 wave mirror for bright and true images..
  • Allows you to take advantage of the wider field of view provided by two inch eyepieces. Dielectric coatings are more durable than regular or enhanced aluminum coatings, so you will enjoy years of excellent performance from this product..
  • The SCT Adapter has a standard SCT female thread (2", 24 TPI),you can use your refractor diagonal with all telescopes having a standard SCT thread for which you can attach this diagonal directly to Schmidt-Cassegrain telescopes and many Maksutov-Cassegrain telescopes..
  • Associated with 90°mirror diagonals, which let you view objects that are at a 90°angle from the direction the telescope is pointing.Improved attachment design features a brass clamping ring which does not mar, and provides a more secure connection..
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Bonvoisin Digital Rotary Viscometer 10-2,000,000mPa.S Digital Lab Rotational Viscosity Meter +-3% Accuracy Fluidimeter Tester Meter with 4 Rotors and Temperature Probe 110-240V(NDJ-8S)

  • APPLICATION-The viscometer is used for testing the apparent viscosity of non-Newtonian fluid and the absolute viscosity of the Newtonian fluid. It's compatible for solvent based adhesive, paints, inks (screen printing), oils, milkshake, honey, cosmetics, etc.(sample temperature under 100 Celsius/212 Fahrenheit）.
  • ±3% ACCURACY-The rotary viscometer adopts 16-bit high-performance single chip, stepper motor and torque sensor, ensuring an accurate and reliable results..
  • LCD DISPLAY-Display in rotor and speed, mPas(1mPas = 1cP), temperature..
  • 4 Rotors&8 Speed-It is very convenient for users to choose the rotor and rotor velocity correctly for testing liquid, because of the % function displaying the proportion of the measured value in the total range. (% value should be controlled in 15%-85% and around 50% is most suitable).
  • Sliding Design-The viscometer can slide up and down by adjusting the hand shank to adjust to solution container of different height..
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Digital Rotary Viscometer with Temp. Probe 10-6, 000,000 mPa.s Viscosity Meter Tester with Data Communication and Printing Software, ±3% 110V

  • [APPLICTIONS]: This viscometer is mainly used to measure the absolute viscosity of the Newtonian liquids and the apparent viscosity of the Non-Newtonian liquid. Such as inks, paints, coatings, adhesives, greases, juices, dairy products, cosmetics, pharmaceuticals, biological fluids, rubber, mud, pulp, etc..
  • [PARAMETERS]: Measuring range:10-6,000,000Mpa.s, model: NDJ-9S, accuracy: ±3%, rotor type: #1, #2, #3, #4, rotating speed: 0.3,0.6,1.5,3, 6, 12, 30, 60rpm/min, voltage: 110V. For low-viscosity liquid, please equip with #0 rotor..
  • [DIGTAL CONTROL]: This unit adopts backlight LED screen, which will display the data more clearly. Rotor, rotating speed, viscosity and temperature are all displayed on the screen. Micro computer control, easy to operate. Data transfer software is installed..
  • [AUTO SEARCH]: This viscometer is functioned with auto search. You can enter to get the right rotor according to the viscosity of your liquid sample liquid. It will effectively reduce the measuring errors in the experiment..
  • [INGENIOUS DESIGN]: Level bubble&spike screws on the base help you get the right angle. Stainless steel rotor fender bracket will also reduce the measuring error owe to rotor shaking..
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CGOLDENWALL NDJ-5S Digital Rotational Viscosity Meter Viscometer Rotary visometer 110-240V 10~100,000mPa.s Accuracy:+-3.0% (Old or New Panel)

  • High Measuring Accuracy: Measurement range: 10mPa.S-100,000mPa.S(1mPa.S=1cp) Measurement error:±3%, with 4 rotors (No. 1, 2, 3, and 4) and 4 speeds (6, 12, 30, 60 rpm), which are composed of 16 combinations. You can determine viscosity as low as 1mPa.s with 0# rotor..
  • Microcomputer Control Technology: Adopts advanced mechanical design, manufacturing technology and microcomputer control technology.
  • LCD Digital Display: Has perfect data acquisition and the LCD monitor display selected blue backlit with high brightness so that it can show the results more clearly. Note: In order to provide a better user experience, we upgraded the product label. The product you received may be the old version or the new version.
  • Reliable and Easy to use: Has a measurement of high sensitivity, so the test results are reliable, and also, the operation is very easy..
  • Application: It can be used to measure the absolute viscosity of the Newtonian liquids and the apparent viscosity of the Non-Newtonian liquid. Also can be widely used in the tests the viscosity of the oil, paint, plastics, paints, detergents, drugs, jewelry and other objects..
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Astromania Alignment 1.25

  • Output power: less than 5mw, much safer for your eyes. This sturdy laser unit allows you to swiftly and precisely collimate your Newtonian telescope. Only when the optics have been accurately collimated can the telescope offer you its full performance..
  • Accurate collimation in a few minutes provide a more clearer image. The telescope can be collimated by just one person..
  • This adjustment tool can be used in all 1.25″ focusers. We provide you with precise instructions in German and English, with a step-by-step explanation of how to adjust a Newtonian telescope using this laser unit. So, even if you are a newcomer to amateur astronomy, it is very simple to get the optimum performance out of your telescope..
  • The precision-made aluminium housing of the laser unit has a front opening from which the laser beam can be emitted. In order to obtain an optimal adjustment, it has a side window allowing a disk oriented at 45° with a central hole to be viewed.This can be then later be used to see whether the laser is reflected back on itself, indicating well collimated optics..
  • The laser comes fully adjusted. It can however be further adjusted if required. It has three openings for adjustment, arranged at 120°, which are initially sealed. The battery for the ....
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Rhino BagMate H8 Telescope Case Compatible with Celestron Optical Tubes | Hard Case with Soft Padding for Maximum Protection of 4”, 5”, 6”, and 8” Optical Tubes | Includes a Built-in Accessory Bag

  • ULTIMATE PROTECTION FOR YOUR PROFESSIONAL TELESCOPE! This protective case is designed to keep your delicate telescope equipment safe and intact in case of various mechanical impacts. Telescopes need to be stored and carried around very carefully, so we at Rhino BagMate made this big bag robust and super shock-resistant. Hard outside, it has an ultra-thick (1.4”) EVA foam padding inside that fully envelops the tubes once the case is closed..
  • DAMAGE PREVENTION WITH SHOCK ABSORPTION. EVA is simultaneously a soft and a hard foam material known for its shock-absorbing characteristics and particularly loved for it by the owners of real telescopes for adults. Placed and fixed correctly, astronomical telescope tubes get 360°, up and down, coverage with the EVA case foam padding. If you happen to drop this padded bag or hit it with something (or if you drive on a bump), the telescope inside will remain intact..
  • COMES WITH AN ADDITIONAL BUILT-IN BAG FOR YOUR TELESCOPE ACCESSORIES! The extra bag is zippered and padded, too, so inside it, you can safely keep the various smaller items that come with telescopes for astronomy beginners or experienced enthusiasts. The professional telescope accessories that you may want to keep protected on your astronomy trip alon....
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Celestron - AstroMaster 114EQ Newtonian Telescope - Reflector Telescope for Beginners - Fully-Coated Glass Optics - Adjustable-Height Tripod - Bonus Astronomy Software Package

  • POWERFUL REFLECTOR TELESCOPE: The Celestron AstroMaster 114EQ Newtonian telescope is a powerful and user-friendly reflector telescope. It features fully-coated glass optics, a full-height tripod, 2 eyepieces, and a StarPointer red dot finderscope..
  • NEWTONIAN REFLECTOR OPTICAL DESIGN: With a 114mm aperture, the AstroMaster 114EQ can gather enough light to see our Solar System and beyond. View Saturn’s rings, Jupiter’s Galilean moons, the Moon's craters, and more..
  • EASY TO SET UP AND USE: This is a great telescope for kids and adults to use together. It features a manual German Equatorial mount for smooth and accurate pointing. Setup is quick and easy, with no tools required..
  • INCLUDED ACCESSORIES: We’ve included 2 eyepieces (20mm and 10mm), a full-height tripod, and a StarPointer red dot finderscope. You'll also receive a FREE download of one of the top-rated astronomy software programs..
  • UNBEATABLE WARRANTY & SUPPORT: Buy with confidence from Celestron, a leading telescope brand in California since 1960. Your purchase includes a 2-Year US Warranty and unlimited support from our team of US-based experts..
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Zahn Cup Immersion Viscosity Cup, Dip Type Stainless Steel Viscometers for Test The Viscosity of Newtonian or Approximate Newtonian Liquid (NO.2)

  • 【Precise & Credible】 The Stainless Steel Cup is made by precise mold, and the orifice is drilled using precise high-speed CNC. It's calibrated against National Institute of Standards and Technology (NIST). Therefore, you will get accurate and believable measurements with this Zahn Cup..
  • 【Durable Viscosity Cup】Our dip viscosity cups are made of premium 304 stainless steel, corrosion-resistant and solvent-resistant, thickened cup and bottom, polished surface and smooth inside, easy to clean..
  • 【Easy to Use】Stainless steel body with 12 inches loop handle for hand-dipping into liquid container, finger-ring is easy to maintain the cup in a vertical position during use. Clear nameplate number is convenient to distinguish various models at a glance..
  • 【Light & Portable】The nominal capacity of the cup is 44 ml, only 79grams, very light and portable, it’s easy to carry to laboratory, factory, workshop or field etc. You could quickly check and adjust the viscosity of liquids in anywhere..
  • 【Wide Application】 Magsoar Zahn cup is widely used in the paint industry, ideal for measure the viscosity of Newtonian or near-Newtonian liquids, such as paint, ink, dye, lacquers, varnishes, syrup and oil..
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