Top Focus Knobs

01 Premium Alloy Universal Macro Focusing Slider, Durable Sturdy 2 Way Macro Focusing Rail Slider， for Most Brands of DSLR Cameras Close-Up Shooting

  • Compatible with all brands, Canon, Nikon, Sony, Minolta, Olympus, Pentax, etc digital and film DSLR cameras(Camera not included).
  • Smooth rack and pinion movement provides extremely fine focusing adjustments.
  • Made of aluminum,designed with Positive locking knobs assure rock-steady focus.
  • Two rails allow movement in four directions, right, left, forward and backward.
  • Macro focusing rail helps macro photographers to position camera and focus on subject with the great precision.
Check Stock

Signature Guide - Spring Metal The Best

  • Green color headband binocular visor with three magnifying lens plates for hands-free viewing.
  • Interchangeable lens plates provide 3X, 4X, and 5X magnification.
  • Optical-grade acrylic prismatic lenses for improved focus and reduced eye strain.
  • Visor tension-adjustment knobs allow visor to tilt out of way when not needed.
  • Can be worn over prescription or safety eyeglasses.
Check Stock

Donegan OSC OptiSIGHT Binocular Magnifying Visor, Blue

  • Blue color headband binocular visor with three magnifying lens plates for hands-free viewing.
  • Interchangeable lens plates provide 3X, 4X, and 5X magnification.
  • Optical-grade acrylic prismatic lenses for improved focus and reduced eye strain.
  • Visor tension-adjustment knobs allow visor to tilt out of way when not needed.
  • Can be worn over prescription or safety eyeglasses.
Check Stock

Burris Xtreme Tactical XTR II 3-15x50mm Precision Rifle Scope with 5X Zoom and Zero Click Stop Adjustment Illuminated SCR MOA Reticle

  • Designed for serious, technical, long-range precision shooters.
  • Excellent resolution optics and competition-ready reticles and adjustment knobs make....
  • Versatile 5x zoom system allows for a larger field of view at close ranges and better target acquisition at long ranges.
  • Zero Click Stop adjustment knobs for quickly and easily reverting back to the original yardage setting without counting clicks.
  • High-grade optical glass provides excellent brightness and clarity with lasting durability.
  • Precision-gauged and hand-fitted internal assemblies....
  • Scope is waterproof and the nitrogen-filled body tubes prevent internal fogging in the cold and rain.
  • Triple internal spring-tension system allows the....
Check Stock

Novation Launch Control XL Ableton Live Controller, Gray

  • Total integration with Ableton Live's mixer and devices.
  • 24 high-quality knobs with multi-color indicators and 8 60mm faders for precision level adjustment.
  • Fully customizable with the included software editor.
  • 16 multi-color buttons for immediate Track Focus and key mixer controls.
  • Combines with Launchpad S to create the ultimate performance combo.
Check Stock

Sentinel-X 10-40x50 Center Dot Riflescope 30mm Monotube 1/8 Turret Lock,Side Focus min at 10M,1.5mm Center Dot Etched Reticle Perfect for Benchrest Shooting 25M Target

  • Precision Aiming: The 10-40x magnification scope features adjustable side parallax and 1/8 MOA click adjustments for precision accuracy.Evaluation....
  • Quality Construction: The scope comes with a 50mm objective lens and multi-coated optics, providing impressive viewing clarity. Tube diameter 30mm..
  • External Locking Knobs: The external locking windage and elevation prevents the knobs from accidental adjustments and can be reset to zero.Turret lock....
  • Diopter compensation from fast-focus eyepiece -2 to +1.5.
  • Exclusive for air gun and 22LR rimfire etc bench rest shooting and competition at 25 meters target The reticle is designed to match the standard size....
Check Stock

Hickory Hardware 10 Pack of Square Kitchen Cabinet Knobs, Quality Drawer and Dresser Knob, Handle Pulls for Cabinet Doors, Bathroom Drawers, 1-3/16 Inch, Matte Black, Essentials Collection

  • ...net handles come with all the necessary mounting hardware for quick installation..
  • VERSATILE & TIMELESS CABINET PULL HANDLES: Upgrade the look of your kitchen with timeless and versatile product lines that add a touch of classic style to any bathroom or kitchen. With a focus on durability and longevity, our handles and knobs are designed to stand the test of time and elevate the look of your space for years to come..
Check Stock

OMAX - 40X-2000X Trinocular Biological Compound Microscope with Replaceable LED Light - M837SL

  • 45 degree inclined 360 degree swiveling trinocular viewing head.
  • Replaceable 3W LED transmitted light with adjustable intensity.
  • 4 achromatic objectives DIN 4X, 10X, 40X(spring), 100X(spring, oil).
  • Large double layer mechanical stage with NA1.25 Abbe condenser and iris diaphragm.
  • Coaxial coarse and fine focus knobs with tension control.
Check Stock

Celestron – Celestron Labs – Binocular Head Compound Microscope – 40-1000x Magnification – Adjustable Mechanical Stage – Includes 10 Prepared Slides

  • Lab-ready compound binocular microscope with up to 1000x power.
  • 4 fully achromatic objective lenses- 4x, 10x, 40x, 100x.
  • 10x eyepieces allow you to view specimens at 40x, 100x, , 400x, , and 1000x magnification.
Check Stock

DSLRKIT 2 Way Macro Shot Focusing Focus Rail Slider for Camera D-SLR

  • Positive locking knobs assure rock-steady focus..
  • If you purchase two Piece macro sliders, they can be combined into a 4-direction macro slider. And it can also be divided into two one-way macro....
  • Suitable for: All DSLR or DC with standard 1/4" screw hole..
  • Material: Metal, Color: Black, Length: 160mm, Width: 93mm, Height: 24mm, Move Range: 100mm..
Check Stock

Premium Stainless Steel Arita Tauber Meibomian Gland Expressor Forceps Eyelid Massage Tweezers-Round Tip

  • Lightweight Small Binoculars: You can throw them into your backpack each day without hesitation. The mini pocket binoculars are totally worth the tiny amount of weight they add to your pack..
  • Compact Binoculars Clear vision: 12x25 optics binoculars with a 12X magnification and objective lens diameter of 25 mm, What's more is with the large field of view-126ft/1000 yards, you can see the entire visual field for capturing objects easily..
  • Easy on Focus: Just adjust by Smooth "center-focus knob" and right eye lens. The folding binoculars suitable for both adults and kids binoculars..
  • Compact Binoculars with BAK4 prism which can 100% reflect the light to keep a good image (while don't forget to adjust the knobs to fit different view distance), made of Mg body and hand figured polishing..
  • Application: Perfect for adults, kids, concerts, theater, opera, plays, shows, travel, hiking, camping, sport events, bird watching , etc. The binoculars come with their own neck strap, cleaning cloth and carrying bag..
Check Stock

NEEWER Pro 4 Way Macro Focusing Focus Rail Slider with 1/4" Arca Type Quick Release Plate Compatible with Canon Nikon Pentax Olympus Sony and Other DSLR Cameras and Camcordes Great for Close Up

  • DURABLE IN USE: The rail adopts durable metal slider, and a geared drive system which enhances accuracy.
  • Positive locking knobs assure rock steady focus.
  • 4 DIRECTION SLIDING: It can be adjusted in 4 directions with 2 rails: forward, backward, left and right (Front Back Movement Distance: Max 2.56""/6.5cm.
  • Left right Movement Distance: Max. 2.95""/7.5cm).
  • Kindly please tighten the knobs after you adjust to keep the camera from slightly moving after you have set it up.
  • PROVIDE EXTREME FOCUSING: Speed of adjustment of the rail greatly with 2 knobs.
  • There are 8 pieces hexagon screws, which can be adjusted with the included wrench to control the sliding friction..
  • Focusing rails are essential accessories for macro photography, which requires precise distance modifications and a steady hand, as well as other situations where accurate camera positioning is crucial.
  • COMPATIBILITY: The rail is equipped with an integrated Arca type QR clamp and an included Arca type plate. The plate uses a 1/4"" screw mount compatible with Canon Sony Pentax Nikon Olympus Samsung and most cameras. The rail can also be mounted on most tripods by utilizing the bottom 1/4"" and 3/8"" tripod mounting threads.
Check Stock