Best Coaxial Focusing

AmScope Deluxe Student Microscope Set - 40X-1000X Dual Light, Glass Lens, Metal Frame Compound Microscope + Slides + Specimen Preparation Kit + Book

Adopts solid-state relay with characteristics of long life, no contact, low voltage and micro power consumption..
Horizontal angle adjustment 180° (±90°), straight angle adjustment 20°±10°..
Ternary coaxial large aperture aspheric biofocal precision optical focusing lens..
Special replacement receiving, high power transmitting device with a power margin of 90%..
Full-featured diagnosis, environment self-adaptation..

Polarizing compound microscope has a built-in focusable Bertrand lens on rotatable disc for use in geology, petrology, mineralogy, toxicology, pharmacology, forensics, and silicon wafer and industrial inspection applications.
Siedentopf trinocular mount with pairs of 10x widefield and 16x widefield eyepieces, 55 to 75mm interpupillary adjustment, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to enable sharing.
Forward-facing triple nosepiece with 4x, 10x, and 40xS strain-free plan achromatic with precision-ground elements optimized for use with polarized light.
Polarizing illumination with focusable Bertrand lens on rotating disc, and Brightfield illumination with rheostat-controlled 20W halogen illumination.
Round stage with 360-degree rotation, nested coaxial coarse and fine focusing system.
tension-adjustable coarse focusing and lock ring stopper to limit coarse range and protect slides.

Six widefield magnification settings: 40X, 100X, 250X, 400X, 1000X & 2500X.
Professional 30 degree inclined 360 degree swiveling Siedentopf binocular head.
3-D double layer mechanical stage with coaxial coarse & fine focusing.
Abbe condenser and iris diaphragm & filter.
10MP USB 3.0 digital camera with advanced editing & measuring software for Windows XP/Vista/7/8/10.

...to provide a more comprehensive viewing field, which is convenient for sharing and collaboration. The 45° tilt angle design can relieve eye fatigue and provide the most suitable viewing effect..
【Coarse and Fine Focus & Dual Illumination System】High-definition binocular microscope adopts coaxial coarse and fine focusing wheel. when using it, the focus wheel is coarsely adjusted first, and then the focus wheel is finely adjusted for precise focusing, which makes focusing faster and more precise. Dual illumination system, the upper light source can observe the real object, and the lower light source can observe the specimen. Note: 2 kinds of light sources cannot be used at the same time..
【Sharing In Real Time】The mobile phone adapter that comes with the microscope can be installed on the eyepiece, allowing you to capture and record the beauty around you with your smartphone. You can share pictures or videos with family and friends in real-time and explore the micro world around you..
【Widely Applicable & Abundant Accessories】This research microscope kits is widely used in the study and experimental operation of students' subjects. In addition, it is also used in biology, clinical research and pharmaceutical research. Abundant accessories inc....

... clear images. The 2X additional lens provided increases the magnification levels further to 2000X..
[Quick Start Guide System] The system helps beginners to quickly get sharp images by easily matching colors of objective color ring and other parts. Besides, microscope is marked with focus guide to assist in quickly focusing..
[Multiple Humanization Designs] 45°inclined ocular tube with 360° rotatable head lets you observe comfortably and share view with friends. Coaxial coarse & fine focusing knobs. Equipped with "one-touch" spring-loaded stage clips, which is easy to place a slide. Spare bulb is included for replacement..
[Microscope Science Kit] The kit also includes prepared slides & blank slides, practical tools like tweezers, materials for hatching brine shrimp, a free smartphone holder used for photomicrographing, and so on. Moreover, it’s equipped with a sturdy ABS case which is easy to store, carry and transport..

Five widefield magnification settings: 40X, 100X, 250X, 400X, 1000X and 2500X.
Professional 30 degree inclined 360 degree swiveling Siedentopf binocular head.
Sturdy framework with 3-D double layer mechanical stage, coaxial coarse and fine focusing, Abbe condenser, iris diaphragm and color filter.
Powerful single bulb LED illumination with dimmer.
1.0MP camera comes with user-friendly editing and processing software for Windows offers advanced features including stitching, EDF and measurement, compatible with Windows XP, Vista, 7, 8, and 10.