042-37-802-297 042-37-814-140
Workring Hours: (9:00 AM to 5:00 PM)
042-37-802-297 042-37-814-140
Workring Hours: (9:00 AM to 5:00 PM)
Product Code(SKU): S005QW8NEV
Import from USA in Pakistan 
Availability: Instock in USA ✔
Product weight: 20.65 Pounds
Important : This product will take 3 to 4 weeks to delivery at your doorstep.
The AmScope GM300TZ gemology stereo zoom microscope has interchangeable pairs of 10x and 20x widefield eyepieces, a 0.7x-4.5x zoom objective, two Barlow lenses, and an inclined pillar stand. The microscope has an overall magnification range of 3.5x-90x. The trinocular viewing head has an interpupillary range of 55 to 75mm, a 45-degree inclination to reduce eye and neck strain, and 360-degree rotation to enable sharing. The trinocular port can be used as a C-Mount or 23mm photo port (camera sold separately). The WF10x18mm and WF20x10mm widefield high-eyepoint eyepieces combine with the 0.7x-4.5x zoom objective to provide continuous zoom magnification and a longer working distance for inspecting large-scale specimens that require handling or repair. The microscope includes 0.5x and 2.0x Barlow lenses that can be added to the objective to increase the magnification range. A Barlow lens with a magnification of less than 1.0 reduces magnification and increases the working distance, while a Barlow lens with a magnification greater than 1.0 increases the magnification and reduces the working distance. Dioptric adjustment accommodates individual eye-strength differences. A stereo microscope, sometimes called an inspection or dissection microscope, has low magnification and a long working distance that enables users to manipulate the object being inspected.
The microscope has upper and lower rheostat-controlled LED lighting. The upper (reflected) light source is used to examine surface details. The lower (transmitted) lighting has a darkfield condenser for examining the inside quality of gems. LED lighting provides close-to-daylight illumination for clear color reproduction. The upper light is mounted on a flexible gooseneck to direct light as needed. The inclined pillar stand can be inclined to 38 degrees. It has a round mechanical stage for measuring gem angles, a flexible gem clamp to secure gems at any angle. The white stage plate provides contrast with dark-colored specimens, and the frosted stage plate allows light to illuminate specimens from below. The microscope has a 90V-240V auto-detecting power supply, and has a rechargeable battery for using the microscope away from wired power sources.
| Specifications | |
|---|---|
| Head | Trinocular |
| Magnification | 3.5x-90x |
| Objective power | 0.7x-4.5x |
| Eyepieces (30.5mm) | WF10x18mm, WF20x10mm |
| Trinocular port | C-mount or 23mm |
| Optical working distance | Up to 8" |
| Stereo angle | 12.4 degrees |
| Illumination type | Transmitted and reflected |
| Light source | LED, 3W |
| Filters | Frosted, white |
| Diaphragm | Darkfield with iris diaphragm |
| Power | 90V-240V, CE certified |
Microscopes are instruments used to enhance the resolution of an object or image. Types include compound, stereo, or digital. Compound microscopes use a compound optical system with an objective lens and an eyepiece. Stereo microscopes show object depth in a three-dimensional image. Digital microscopes are used to display an image on a monitor, rather than looking through a lens. Microscopes can have monocular (one), binocular (two), or trinocular (three) eyepieces, with varying magnification abilities. Magnification ability refers to the size of an image. Resolution, also known as resolvant power, refers to the clarity of the image. The interaction between field of view (FOV), numerical aperture (NA), and working distance (WD) determines resolution. Microscopes can control magnification through a fixed focus, or through a range of adjustments. They can also utilize LED, fluorescent, and mirror light sources to help control viewing capabilities. Microscopes are widely used in education, lab research, biology, metallurgy, engineering, chemistry, manufacturing, and in the medical, forensic science, and veterinary industries.
United Scope manufactures microscopy equipment and accessories under the brand name AmScope. The company, founded in 1996, is headquartered in Irvine, CA.
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