- Semi-finishedproduct: No
- Battery Included: no
- High-concerned chemical: none
- Magnification Ratio: 1500X – 3000X
- Drawtube: Trinocular
- Material: Metal
- Origin: Mainland China
- Model Number: T490B
- Brand Name: AmScope
- Theory: Biological Microscope
- Magnification Ratio: 40X-2000X
The T490B features a unique simul-focal optical system with an adjustable trinocular port to enable well-focused clear images on your computer or video screen while simultaneously obtaining sharp, focused images through the eyepieces. Most trinocular microscopes allow you to view either through the trinocular port or the eyepieces only, forcing you to switch between the two. Since these trinocular ports are not simul-focal with the rest of the microscope optical system, you have to re-focus the microscope after each switch. The T490B, however, erases this step by providing simul-focal viewing. Especially handy for teaching demonstrations, clinical examinations and laboratory applications, the simul-focal feature allows your students or colleagues to view clear images simultaneously while you work through the eyepieces. In addition, the T490B's industry standard 23mm photo port can be converted into a C-Mount port by attaching the included C-mount adapter, allowing you to attach most microscope digital cameras and video systems on the market. The T490B includes a 30-degree inclined 360-degree swiveling trinocular Siedentopf head, a 3-D mechanical stage, and an intensity-variable halogen illumination system. This versatile microscope is also capable of being upgraded with various accessories and attachments listed in the optional section for additional functions. It is a perfect laboratory instrument for clinics, Vets, Doctors, and professional students. It arrives brand new in a factory sealed box.
Features :
Simul-focal optical system allows simultaneous viewing through the photo port and eyepieces
Adjustable simul-focal trinocular port
Industry standard 23mm photo port and c-mount port
30-degree inclined, 360-degree swiveling trinocular Siedentopf head
Photo/video capability with adjustable 23mm photo mount for simul-focal image system
Large 3D double layer mechanical stage with stain resistant finish
Low-position coaxial stage movement control knobs
Coaxial coarse & fine focusing with ca knob tension control
Fully coated optical system with high resolution
Eight magnification settings: 40x-80x-100x-200x-400x-800x-1000x-2000x
Upward stage stopper to protect slides and objectives
Abbe condenser with iris diaphragm & filters
Rack and pinion adjustment for condenser
Built-in halogen illumination system with variable intensity
Dual focusing control knobs
Full optical glass elements
Precise ground glass lenses
All metal mechanical components.
Adjustable interpupillary distance
Adjustable diopter on ocular
Solid metal frame construction with stain resistant enamel finish
CE and GS approvals
Manufactured under ISO 9001 quality control standard
Excellent five (5) year factory warranty
Specifications :
Nosepiece: quadruple
Mechanical tube length: 6-5/16" (160mm)
Head: 360-degree swiveling trinocular Siedentopf head inclined at 30-degree
Eyepieces: wf10x and 20x
Achromatic objectives: 4x, 10x, 40x (spring), 100x (spring, oil)
Stage dimensions: 5-1/2"x 5-1/2" (140x140mm)
Stage traveling range: 2-15/16"x 1-3/4" (75x45mm)
Focusing range: 1-3/16" (30mm)
Division of fine focusing: 0.0000787" (0.002mm)
Abbe condenser: na=1.25 with rack and pinion focusing control
Illumination: 6v/20w halogen bulb
Power supply: 110v (220v version available), CE & GS certified
Accessories: 6v/20w spare halogen bulb, bottle of , blue, green & yellow filters
Microscope dimensions: 12" x 9" x 16"
Packing List :
Trinocular simul-focal microscope Siedentopf head
23mm adjustable trinocular photo port with c-mount adapter
Microscope body with frame, base and halogen illumination system
DIN Objectives, 4x, 10x, 40x and 100x
Widefield 10x eyepieces (pair)
Widefield 20x eyepieces (pair)
Color filters
6v/20w spare halogen bulb
Spare fuse
Power cord
Dust cover
User's manual
Shipping weight: 20 lbs
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Warranty Promise:
• We provide ONE Year Free Warranty for all our items (Not including damage made by the user).
About us:
AmScope's mission is to promote interest in the advancement of science by making high-quality microscopes accessible to customers of all economic backgrounds. By designing, manufacturing, and distributing our own AmScope brand microscopes and accessories, we are able to keep costs lower than other microscope dealers. Founded by a Ph. D. in Mechanical Engineering who has done research for NASA and the U.S. Department of Energy, AmScope recognizes that our future largely depends on nurturing scientific curiosity  and research. With over 500 models in stock, we are confident that we can meet your microscope needs whether you are a hobbyist, home school teacher, or advanced research institution. With a team of US-based customer service representatives and technicians, we offer the tools and support for you to follow your curiosity—ultimately leading to a better understanding of the world around us.
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