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The AmScope T390C professional compound trinocular microscope interchangeable pairs of 10x widefield and 25x widefield eyepieces, a forward-facing nosepiece with four DIN achromatic objectives, Brightfield halogen illumination, and a double-layer mechanical stage. The trinocular head has a sliding binocular mount with an adjustable 55 to 75mm interpupillary distance, a fixed 30-degree vertical inclination to reduce eye and neck strain, and a 360-degree rotation capability to provide a more comprehensive view and enable sharing. Dioptric adjustment accommodates individual eye-strength differences. The vertical trinocular port accepts a camera with a 23mm or C-Mount adapter (camera sold separately). The forward-facing nosepiece has 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic objectives that combine with the eyepieces to provide color correction of magnified images at eight magnifications. The 40xS objective is spring loaded to prevent slide damage when focusing. The 100xS spring-loaded oil-immersion objective uses oil between the specimen and the objective lens to provide increased resolution over a standard objective. A compound microscope is used for inspection and dissection of specimens when two-dimensional images are desired.
The microscope has lower (transmitted, diascopic) Brightfield illumination that transmits light up through the specimen for enhanced visibility of translucent and transparent objects. Brightfield (BF) illumination allows the specimen to absorb light, resulting in a dark image on a light background. Halogen illumination provides bright light in a concentrated path. The 1.25 NA Abbe condenser is mounted on a rack-and-pinion control system, can be adjusted to control the distance of the light from the stage, and has an iris diaphragm to optimize the amount of light illuminating the specimen. The double-layer mechanical stage, with 1mm stage divisions, locks the slide into place and provides precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded, enabling the viewer to return to a specific location on the slide. The stage is 5-1/2 x 5-1/2 inches (140 x 140mm) and has a traveling range of 3 x 2 inches (75 x 50mm). Graduated coaxial coarse and fine focus enables measurements to be taken. The enamel-coated cast-steel body is durable and resistant to stains and corrosion.
SpecificationsHeadCompound trinocularTrinocular port23mm or C-MountEyepiecesWF10x, WF25xObjectives4X, 10x, 40xS, 100xS (oil)StageDouble-layer mechanicalLighting configurationTransmitted (lower)Condenser1.25 NA AbbeDiaphragmIrisLight sourceHalogen, 6V/20WIllumination typeBrightfieldPower110V/220V, auto-switchingWeight10lb./4.5kgMicroscopes 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.
What's in the Box?
- AmScope T390C microscope with double-layer mechanical stage
- WF10x eyepiece, one pair
- WF25x eyepiece, one pair
- 4x DIN achromatic objective
- 10x DIN achromatic objective
- 40xS DIN achromatic objective
- 100xS (oil) DIN achromatic objective
- Immersion oil, one bottle
- (3) Color filters, blue, green, and yellow
- Spare halogen bulb
- Dust cover
- Power cord (US and Canada standard)
- Instructions
Theron B.
Reviewed in the United States on December 9, 2023
FIVE MINUTES OF MICROSCOPYorHOW I LEARNED TO LOVE THE SMELL OF BURNING PLASTIC[Scene: A cluttered home office; soundtrack, "Christmastime Is Here"]So there I was. I, being a concerned father, like to obtain actually-educational gifts for my children. Real things, not toys. I decided, on the strength of my children being of an age to benefit from it, that I would get them...A MICROSCOPE!(SEE the world of animalcules and minutiae! JOIN scientific greats such as van Leewenhoek in their quest to understand the natural world! STARE for hours at stained chunks of once-living objects!)Not being made out of actual gold, I elected to skip right past the names such as "Zeiss" and "Nikon" and go straight for what is reasonable to afford in this world of insane inflation: AmScope. I had heard good things. I saw good reviews. I thought, "Hell, why not." And it would get here in time for Christmas, at which point I could mesmerize my children with glimpses into the unseen world!It showed up, approximately one hour ago. I brought it into the house, summoned my wife to the Chamber of Mess, banished the children, and set about screwing together the parts and pieces in accordance with half-remembered biology classes of long ago. Objective goes *here*, eyepiece goes *there*. Plug goes in the receptacle. Success! I can see light. I can see miniature things!The wife is amazed.I crank up the illumination and the magnification. Let's see some REAL microscopy, folks!And then... the smell.That delicate smell. The smell I have known long. The acrid smell of burning polymers.(Expletives deleted by censor)After hastily powering down the 'scope and opening the window to the 10-degree air outside to vent the toxic pyrolysis products of what appears to be PVC, I examined the scope. The smoke was still wafting gently out of the base, where I began my inquiries by removing the bulb. I was at that point confronted by the first picture, that of a plastic cover bearing the markings "SWITCHING POWER TRANSFORMER" and a giant scorch mark.Uh-oh. That can't be good.I then elected to remove the base of the microscope, on the theory that that cover presumably went somewhere. The second picture is what I found: a board loose within the base of the scope, with its heatsinks (visible beneath) uncoupled from their respective components. Examining the missing cover (now freshly-perforated with a nice light char, suitable for pairing with any pinot noir and a gas mask), I deduced that someone had elected to save fifty cents by going for the absolutely smallest amount of plastic one could conceivably use that would maybe clip the board into the bottom of the base (3rd picture). When the scope was shipped, the scope was jostled; the cover came off, and came to rest on the bulb; thermodynamics did the rest.Before the hasty shutdown of the scope and its subsequent disassembly, the picture was decent. My wife was thrilled. We are both less thrilled with the "automatic arson" feature of this microscope, however, and elect to give it one star, unless your actual desire is to burn your house down or immolate close family members or lab partners. Then this microscope would be a great choice. Now I am confronted with the question: Return this scope and likely get one equally crappy in return (and not before Christmas), return it and get a refund, live with the possibility of imminent fiery death, or only ever use the mirror? I feel blessed this holiday season that AmScope has elected to give me such choices.What are your thoughts, AmScope? Roll the dice on burning my house down or nah? Looking for input here.[Scene: man in Christmas sweater looking out on snowy yard, arm around wife, hot chocolate in other hand, sad expression on face; kids with disappointed expressions looking at Christmas tree beginning to smolder; "Don't Look Back In Anger" by Oasis playing softly in background; fade to black]
Benoit Daoust
Reviewed in Canada on February 7, 2019
Just like the title, it's a good quality microscope, but the inside lens of the third ocular is dirty and I can't take sharp photos without dirt spot on it. I will have to learn how to clean that spot... will do some research since it's a very deep hole and the lens looks to be at the complete end.Pain in the. but - but out of that... I can see all the yeast and even the bacteria that are living in my kombucha !Crazy !
west
Reviewed in the United States on December 16, 2018
easy to use, very capable. well built.never used a microscope before, didn't need instructions, the minor assembly and controls are intuitive.controls are well placed so you can control the deck and lighting at the same time without moving your hands.very clear optics. I'm impressed with this tool. good purchase for me.
Stanislav Kossovskiy
Reviewed in the United States on September 9, 2017
Great instrument for fraction of the price. Don't forget to buy slides though otherwise will stuck for couple days with perfectly operational tool.
Timothy P. Monaghan
Reviewed in the United States on April 23, 2017
fantastic microscope for the price, feels and operates like a professional scope for a fraction of the price. Looking forward to attaching a camera when funds permit. Am into nerve cells right now and have not trouble seeing them with great clarity at the right magnification I need and right illumination
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