Reviews Helical Focusing Scopes

Orion 60mm Multi-Use Guide Scope with Helical Focuser

  • Versatile 60mm aperture Guide Scope with a built-in helical focuser for precise focusing of potential guide stars.
  • Designed for use with the Orion StarShoot AutoGuider and StarShoot AutoGuider Pro (both sold separately).
  • Helical focuser collar will not rotate attached autoguider devices during focus adjustments.
  • Can also be used as a deluxe straight-through finder scope with optional 1.25" eyepieces installed (eyepieces sold separately).
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Orion Right-Angle 1X-2X Viewer for Polar Scopes

  • No more dirty knees and sore neck! This 90-degree polar scope viewer makes polar alignment of your equatorial mount easy and comfortable.
  • Fits on 30mm-diameter polar scopes, including Orion AstroView, Sirius, Atlas, Atlas II, Sirius Pro, Atlas Pro, and StarShoot CAT.
  • Built-in Amici prism provides same image orientation as polar scope, plus 1x or 2x magnification options.
  • Three thumbscrews secure the viewer to your mount's polar scope.
  • Other features include 360-degree swivel, helical focus ring, and soft rubber eyecup.
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SVBONY SV106 Guide Scope 60mm Multi-Use Finder Scope Guide Scope with Helical Focuser F4 for SG4 QHY5II ZWO SG4 CCD Astronomical Telescope

  • Versatile 60mm aperture Guide Scope with a built-in helical focuser for precise focusing of potential guide stars.
  • will help guide you to capturing higher quality astrophotos.
  • an ideal addition to any astrophotographers collection of gear.
  • The helical focuser simply moves the attached device inwards or outwards while maintaining its orientation.
  • this convenient feature means your field of potential guide stars will not rotate as focus is adjusted, further increasing ease of use.
  • For those nights when you don't plan to capture astrophotos exposures, this versatile Guide Scope can double as a straight-through finder scope with an optional 1.25" eyepiece installed.
  • For example, inserting a 25 mm eyepiece creates a 9.6x60 finder scope, or you can insert one Illuminated Centering Eyepieces for use as a finder with illuminated crosshairs for easy aiming.
  • The focuser boasts 8 mm of precise helical focus travel.
  • plus telescoping drawtube housing provides up to 35mm of additional back-travel if needed for your particular autoguider device.
  • a compression ring fitting keeps any inserted autoguider cameras or eyepieces free of pesky scratches.
  • The Multi-Use Guide Scope with Helical Focuser also features male T-threads on the focuser collar f....
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iShoot Improved Universal 150mm Macro Focusing Rail Slider Close-up Shooting Head All Metal Camera Support Bracket Holder Built-in Arca-Swiss Type Clamp and Quick Release Plate for Tripod Ballhead

  • The main body of this improved macro focusing rail slider is made of Aviation Aluminum, CNC precisely machined, surface anodized.
  • Two same macro focusing rail sliders can be combined together to form 90 degrees, becoming a 4-way macro focusing rail slider, and providing a....
  • The close-up shooting head with stainless steel gear spiral zoom lever, stainless steel clutch, intermeshing helical power transmission, can move back....
  • The width of the clamp on the close-up shooting slider is about 73mm, with spirit level, Arca-Swiss / RRS standard fit.
  • The macro focusing rail slider compatible with Arca-Swiss / RRS / KIRK / WIMBERLEY / MARKINS / SUNWAYFOTO / KANGRINPOCHE / BENRO/SIRUI / MARSACE quick....
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ZEISS Terra ED Binoculars, 8x32, Grey

  • 88% LIGHT TRANSMISSION - SCHOTT ED - glass with a hydrophobic multi-coating provides optical clarity and precision in all situations..
  • COMFORTABLE, FAST FOCUSING - The large, smooth and easy-to-grip focus wheel makes focusing particularly easy and, most of all, quick on a ZEISS Terra ED. You'll notice the advantages of Terra ED binoculars as soon as you pick them up: your index finger automatically lands on the focusing wheel. You'll never again need to think about how you hold the binoculars when something exciting suddenly happens in front of you. In next to no time, you'll have it sharply in focus..
  • COMPACT, LIGHT & ROBUST - With its its waterproof casing reinforced with glass fibers, the ZEISS Terra ED satisfies the high standards of nature lovers. The construction is compact, light and robust. Easy to fit into any bag and nearly indestructible, the ZEISS Terra ED is the perfect companion..
  • ZEISS T* COATING - Guaranteed brilliant, high-contrast images, particularly in adverse light conditions and twilight. The coating is tuned to each lens individually for maximum clarity..
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Orion 13022 Deluxe Mini 50mm Guide Scope with Helical Focuser

  • Compact Deluxe Mini Guide Scope with a built-in helical focuser for precise focusing of guide stars.
  • Designed for use with the Orion StarShoot AutoGuider (sold separately), and astrophotography telescopes up to 1500mm focal length.
  • Non-rotating camera collar will not cause the attached autoguider to rotate during focus adjustments, ensuring the field of potential guide stars will....
  • Adjustable-aim dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily.
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Astromania 60mm Compact Deluxe Finder & Guidescope Kit with 1.25' Double Helical Focuser - Guiding with The Mini-Guide Scope: So Astrophotography is Easier and Less Equipment

  • Mini-guide tube to quickly find objects and guiding stars, designed both for visual, as well as for photographic use.Take any 1.25 inch eyepieces in your collection, worm-focuser: fast focusing. Prevents rotation of the camera and eyepiece. Or use it as a comfortable, large viewfinder to waste less time finding objects in visual observation..
  • 240mm focal length. Compact mini guide scope designed for use with astrophotography telescopes up to 1500mm focal length. With bright, wide-field optics puts numerous potential guide stars in view so you'll never have to search for one! There is an extension tube locking thumbscrew to hold the extension tube in place, and the other two holes are equipped with built-in hexagonal screws, which you can also tighten the two hexagonal screws with an hex wrench to lock the extension tube if necessary..
  • Adjustable-aim dovany weight to an astrophotography setup and can conveniently be stashed in an accessory case between uses. "Dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily..
  • The sturdy metal housing made ​​of black anodized aluminum. Looking out not only solid, but is also very robust. A milled and knurled ring allows easy and precise fine focus adjustments. It com....
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Zeiss Terra ED 10x42 Binoculars, Green, Medium, NSN 9005.10.0040, 524204-9908-000

  • 88% LIGHT TRANSMISSION - SCHOTT ED - glass with a hydrophobic multi-coating provides optical clarity and precision in all situations..
  • COMFORTABLE, FAST FOCUSING - The large, smooth and easy-to-grip focus wheel makes focusing particularly easy and, most of all, quick on a ZEISS Terra ED. You'll notice the advantages of Terra ED binoculars as soon as you pick them up: your index finger automatically lands on the focusing wheel. You'll never again need to think about how you hold the binoculars when something exciting suddenly happens in front of you. In next to no time, you'll have it sharply in focus..
  • COMPACT, LIGHT & ROBUST - With its its waterproof casing reinforced with glass fibers, the ZEISS Terra ED satisfies the high standards of nature lovers. The construction is compact, light and robust. Easy to fit into any bag and nearly indestructible, the ZEISS Terra ED is the perfect companion..
  • ZEISS T* COATING - Guaranteed brilliant, high-contrast images, particularly in adverse light conditions and twilight. The coating is tuned to each lens individually for maximum clarity..
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Zeiss Terra ED Pocket Binoculars, 8x25 Pocket, Black

  • 88% LIGHT TRANSMISSION — Schmidt-Pechan ED glass with a hydrophobic multi-coating provides optical clarity and precision in all situations..
  • COMFORTABLE & FAST FOCUSING — The large and easy-to-grip focus wheel is quick to use on the ZEISS Terra ED binoculars. Your index finger naturally lands on the focusing wheel, always ready when something exciting suddenly happens in front of you..
  • COMPACT, LIGHT & ROBUST — With its waterproof, fiberglass reinforced casing, the ZEISS Terra ED satisfies the high standards of nature lovers. Easy to fit into any bag and nearly indestructible, the ZEISS Terra ED is the perfect companion..
  • ZEISS ANTI-REFLECTIVE COATING — Guaranteed brilliant, high-contrast images, particularly in adverse light conditions and twilight..
  • A CLEAR VIEW IN ANY WEATHER — There are always exciting things to be seen in the world of nature, even in wet weather. ZEISS developed a Hydrophobic Multi-layer Anti Reflective Coating for binoculars and scopes that enables a clear and unhindered view in all weather conditions..
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MidTen SFP 4-12x40 AO Tactical Rifle Scope with 4' Eye Relief Adjustable Objective Dead-Hold BDC Reticle Optics 1-inch Tube Riflescopes for Hunting Shooting

  • ...0 yards to infinity allows to focus the target image more clearly, eliminate parallax and range estimation..
  • 【Clear And Bright】Fully multi-coated lenses can provide more than 95% light transmittance and true colors. From dawn to dusk, the rapid focus eyepiece of the rifle scopes allows for quick and easy reticle focusing, presenting a clear and bright field of view..
  • 【Long Eye Relief and Wide Angle】MidTen 4-12×40 air rifle scope has 4″ long eye relief, 29.1’～9.6′ wider field of view @100 yards.Under any magnification, the eye relief remains the same, allowing your eyes have a wide field of view in the most comfortable state..
  • 【Waterproof & Fogproof & Shockproof】MidTen scopes for rifles use the one-piece solid tube made of aircraft grade aluminum provides excellent recoil resistance and shock resistance. O-ring sealed and nitrogen purged provide 100% fogproof and waterproof performance..
  • 【Customer Service】MidTen hunting rifle scope have one-year warranty and our perfect & responsive customers service can keep you from any loss whenever you need..
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Vortex Optics Razor HD Spotting Scope 22-48x65 Straight

  • The Razor HD 22-48x65 straight spotting scope employs high-end optical technology, Precision craftsmanship, and ultra-sleek functionality to make the Razor one of the finest spotting scopes on the market..
  • Triplet apochromatic lens combined with high Density, extra-low dispersion glass delivers unparalleled resolution and color fidelity. Xr plus anti-reflective coatings were applied to the lenses to yield maximum brightness for critical low-light glassing..
  • A smooth helical focus dials in Razor sharp resolution and keeps the scope trim for easy packing. A multi-position eyecup twists up to give you proper eye relief with or without glasses..
  • A locking collar allows you to rotate the scope to acquire the best viewing angle. A built-in sunshade pulls out to reduce glare..
  • O-ring sealed and argon purged, the Razor HD delivers waterproof and Fog proof performance. Armortek coatings protect the lenses from oil, scratches, and dirt. Rubber armor provides extreme durability..
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Endurance ED Binoculars 8x32 Green

  • CRISP, CLEAR BRIGHT IMAGES Extra-Low Dispersion (ED) glass for optimum clarity and light transmission and reduced color fringing.
  • EXTREMELY DETAILED, SHARP VISION fully multi-coated lenses provide high resolution images in these 8x32 binoculars for adults.
  • WATERPROOF, FOG PROOF AND DURABLE shock proof housing and a high grip outer. Perfect binoculars for safari, birdwatching, wildlife watching.
  • EFFORTLESS FOCUSING just 1.2 turns of the focus knob, with close focus from 6.6ft/2m.
  • HAWKE LIFETIME WORLDWIDE WARRANTY genuine product from the brand leader in affordable, high performance binoculars and spotting scopes.
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Vortex Optics Razor HD Spotting Scope 27-60x85 Straight dark grey

  • The Razor HD 27-60x85 Straight Spotting Scope employs high-end optical technology, precision craftsmanship, and ultra-sleek functionality to make the Razor one of the finest spotting scopes on the market..
  • Triplet Apochromatic lens combined with high density, extra-low dispersion glass delivers unparalled resolution and color fidelity. XR Plus anti-reflective coatings were applied to the lenses to yield maximum brightness for critical low-light glassing..
  • A smooth helical focus dials in razor sharp resolution and keeps the scope trim for easy packing. A multi-position eyecup twists up to give you proper eye relief with or without glasses..
  • A locking collar allows you to rotate the scope to acquire the best viewing angle. A built-in sunshade pulls out to reduce glare..
  • O-ring sealed and argon purged, the Razor HD delivers waterproof and fogproof performance. Armortek coatings protect the lenses from oil, scratches, and dirt. Rubber armor provides extreme durability..
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