Best Diopter Adjustment

OMAX 3.5X-90X USB3 18MP Digital Trinocular Zoom Stereo Microscope on Desk Stand with 144-LED Light

• Head: 45 degrees inclined 360 degrees rotatable trinocular.
• Eyepieces: 30mm widefield WF10X/20 and WF20X.
• Beam split lever enables photo-tube or left eye-tube.
• Interpupillary distance: adjustment 2-3/16inch ~ 2-15/16inch(55mm ~ 75mm).
• Diopter: adjustable on both ocular-tubes +/-5dp.

OMAX 40X-2500X Super Speed USB3 14MP Digital Compound Trinocular LED Lab Biological Microscope

• 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 (75mm x 50mm).
• Photo tube adjustment range: 5/8inch (15mm).
• Focus: coaxial coarse and fine focus knobs on both sides, rack and pinion adjustment, with tension control.
• Focusing knob can be locked for observation and transportation.
• Condenser and diaphragm: Abbe NA1.25 rack and pinion adjustment condenser with iris aperture diaphragm.
• Illumination: transmitted (lower), replaceable 3W LED light, variable intensity.
• Power supply: 100V~240V 50/60Hz worldwide range (US and Canada power plug).
• Digital camera: - true color 4096x3288 pixels (14M pixels) - Super speed USB 3.0 connection - 0.5X reduction lens to get larger field of view - 0.01 mm calibration slide: 1mm/100 division - Frame speed: 6.2fps at 4096x3286, 54fps at 1024x822 - Software compatible with Windows, Mac OS X and Linux operating systems - Capturing microscope images, recording live video, measuring lengths, angles, areas, editing images - USB 3.0 cab....

OMAX 40X-2500X Full Size Lab Digital Trinocular Compound LED Microscope with 14MP USB Camera and 3D Mechanical Stage

• 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 (75mm x 50mm).
• Photo tube adjustment range: 5/8inch (15mm).
• Focus: coaxial coarse and fine focus knobs on both sides, rack and pinion adjustment, with tension control.
• Focusing knob can be locked for observation and transportation.
• Condenser and diaphragm: Abbe NA1.25 rack and pinion adjustment condenser with iris aperture diaphragm.
• Illumination: transmitted (lower), replaceable 3W LED light, variable intensity.
• Power supply: 100V~240V 50/60Hz worldwide range (US and Canada power plug).
• Digital camera: - true color 4096x3288 pixels (14M pixels) - 0.5X reduction lens to get larger field of view - 0.01 mm calibration slide: 1mm/100 division - Frame speed: 1.8fps at 4096x3288, 10fps at 2048x1644, 27fps at 1024x822 - Software compatible with Windows XP/Vista/7/8/10, Mac OS and Linux operating system - Capturing microscope images, recording live video, measuring lengths, angles, areas, editing images - USB cable i....

MEOPTA MeoPro Air High-Definition Waterproof Lightweight Compact Binoculars for Hunting Shooting - 10x42 HD

• ERGONOMIC DESIGN - MeoPro Air's rubber-reinforced magnesium body has a modern look and its ergonomic shape.
• Attractive and lightweight, the MeoPro Air compact binoculars are easy to use due to their open-hinge design.
• HIGH-QUALITY MATERIALS - The magnesium body with rubber reinforcement of the Meopta hunting binoculars provides resistance to moisture, dust, temperature fluctuation, and impact.
• Durable and waterproof, the MeoPro Air is ready for any field conditions.
• OUTSTANDING OPTICAL PROPERTIES - The MeoPro Air 10x42 HD Binoculars feature 10x magnification and 360 ft/100yd field of view, which make them ideal hunting binoculars for observation into the wilderness.
• EXCEPTIONAL COLOR FIDELITY - The optical system of the Meopta Binoculars uses fluoride HD components that ensure a sharp image of the highest quality.
• The shortest focusing distance is 2.3m or 7.75ft.
• CENTRAL DIOPTER ADJUSTMENT - The MeoPro Air High-Definition Binoculars combine the focusing knob and dioptre adjustment.
• So during hunting, shooting, or bird watching you can enjoy improved focusing and diopter correction in one spinner.

3X Magnifier Scope Sight with Flip to Side 20mm Mount Picatinny Weaver Rail Quick Detach FTS Suitable for Reflection and Holographic Sight.eg M2

• Panoramic View: The 3X Magnifier is a panoramic view designed for hunting/shooting, as well as greater flexibility and performance (only with....
• Magnification and non-magnification switching: The magnifying glass is a hunting/shooting product that can be combined with red dots for short-range....
• Roll over: Turn over to one side. Combined with a red dot, the magnifying glass flips quickly and easily to the side so you can see the target better..
• Diopter: Diopter can be Adjusted with Wind and Eleveation Adjustment Screws.

BESTSIGHT 4X Magnifier Scope Sight with Flip to Side 20mm Mount Picatinny Weaver Rail Quick Detach FTS Suitable for Reflection and Holographic Sight.eg M2

• Panoramic View: The 4X Magnifier is a panoramic view designed for hunting/shooting, as well as greater flexibility and performance (only with....
• Magnification and non-magnification switching: The magnifying glass is a hunting/shooting product that can be combined with red dots for short-range....
• Roll over: Turn over to one side. Combined with a red dot, the magnifying glass flips quickly and easily to the side so you can see the target better..
• Diopter: Diopter can be Adjusted with Wind and Eleveation Adjustment Screws.

NIGHTFORCE ATACR 5-25x56mm ZeroStop .250 MOA DigIllum Center Only Illumination PTL Moar-T Reticle Hunting Scope (C555)

• HI-SPEED ADJUSTMENTS – The ATACR 5-25×56 “Enhanced” Scope includes the Nightforce Hi-Speed adjustments with patented ZeroStop, and is available in .1 Mrad (12 Mils per revolution) or .25 MOA (30 MOA per revolution) increments.
• PARALLAX ADJUSTMENT – The parallax adjustment is marked with approximate numbered distances and is coupled with DigIllum digital reticle illumination.
• a capped windage adjustment helps prevent accidental adjustment in the field.
• POWER THROW LEVER – The eyepiece features enhanced engraving, an integrated Power Throw Lever (PTL) and an XtremeSpeed thread for making a fast diopter adjustment.
• ED GLASS – Fully multi-coated ED glass results in light transmission values of over 90%, brilliant images and exceptional color contrast.
• 5X-25X MAGNIFICATION – A magnification range of 5x to 25x, and a wider field of view as a result of its unique optical prescription (17.96 feet at 5x) will cover virtually any situation a shooter could encounter.

UTG OP3 3-12X44 30mm Compact Scope, AO, IE, Glass UMOA

• UMOA Range Estimating Etched Glass Reticle.
• Premium Low Top Zero Lockable and Resettable Target Turrets with Precise 1/4 MOA per Click Adjustment.
• Low Top Side Wheel Adjustable Turret (SWAT) for Parallax Adjustment from 10 Yards to Infinity and Fine Tune Adjustable/Lockable Eyepiece Diopter.
• Innovative EZ-TAP Illumination Enhancing (IE) System with Red/Green Dual-Color and 36 Multi-Color Mode to Accommodate All Weather/Light Conditions.
• Built on TRUE STRENGTH Platform and Completely Sealed and Nitrogen Filled for Reliable Shockproof and Zero Holding Performance, IPX7 Waterproof.

OMAX 40X-2500X LED Digital Trinocular Lab Compound Microscope with 5MP Camera and Mechanical Stage

• Stage: mechanical double layer size: 4-1/2inchx 4-15/16inch (115mm x 125mm).
• Stage x-y stroke (travel range): 2-13/16inch x 1-3/16inch (70mm x 30mm).
• Condenser and diaphragm: NA1.25 Abbe condenser with iris diaphragm.
• Transmitted (lower) illuminator: LED light, intensity adjustable.
• Focus adjustment: Coaxial coarse and fine knobs on both sides.
• Power supply: AC/DC adapter, 100V-240V (UL approved).
• Digital camera: - True color 2592x1944 pixels (5MP) - Frame speed: 2fps at 2592x1944, 3fps at 2048x1536, 5fps at 1600x1200, 7.5fps at 1280x1024 - Software compatible with Windows and Mac OS X operating systems - Offers capturing still images, stitching, EDF, video recording and measurement functions - USB cable included.
• 5-year warranty against manufacturing defects.

Hoodman H32MB HoodLoupe Camera Viewfinder Loupe 3.2 inch LCD Sun Shade

• View camera LCD screens glare free outdoors.
• Optical module can swap between different size bases.

Hoodman Model HLVKIT Live View Kit DSLR Camera Viewfinder Sun Shade

• Glare free live view images in bright sunlight.
• Superior glass optics with +- 3 diopter adjustment.
• Milled black anodized aluminum base plate.
• Universal one size fits all DSLR bodies..

Hoodman Model HLVC Live View Crane Kit DSLR Camera Viewfinder Sun Shade

Zhumell 20x80 Giant Astronomical Binoculars Black

• Extra-large field of view with crystal clarity from Edge to Edge.
• BaK4 prisms for excellent light transmission.
• Ultra-smooth center focus that's easy to operate, allowing you to pinpoint your subject.
• Right diopter adjustment so you can fine-tuned your viewing.