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The AmScope SE306R-P20 stereo microscope has a pair of 20x10mm widefield eyepieces, 2x and 4x objectives, upper and lower halogen lighting, two stage plates, and a pillar stand. The forward-mounted binocular viewing head has an interpupillary range of 55 to 75mm and a 45-degree inclination to ease viewing for young users. The WF20x10mm eyepieces combine with the 2x and 4x objectives to provide 40x and 80x magnification, and a longer working distance for inspecting large-scale specimens that require handling or repair. The optical glass lenses provide sharp images, and are fully coated to ensure high-resolution images. Dioptric adjustment accommodates individual eye-strength differences, and eye guards ensure comfortable viewing. 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 (episcopic) illumination that reflects light off the specimen for enhanced visibility of opaque specimens, and lower (diascopic) illumination that transmits light up through the specimen for enhanced visibility of translucent and transparent objects. The 10W halogen light source provides bright light in a concentrated path. The pillar-style stand secures the head for precise focusing, and bilateral coarse focus eases use for left- and right-handed users. The stage has a frosted stage plate for use with lower (transmitted) lighting, and a reversible black and white stage plate that provides contrast with light- and dark-colored specimens when used with upper (reflected) lighting. Stage clips that secure the specimen during viewing. The microscope has a 2-1/8" (53mm) working distance. All metal construction is durable and stain-resistant.
SpecificationsHeadForward-mounted binocularMagnification40x, 80xObjective power2x, 4xEyepieces (DIN, 30.5mm)WF20x10mmWorking distance2-1/8" (53mm)FocusBilateral coarseMicroscope standPillar standStage plate (95mm)Frosted and reversible black/whiteIllumination typeUpper (reflected) and lower (transmitted)Light sourceHalogen, 10WPower120V, UL listed
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.
What's in the Box?
- AmScope SE306R-P20 stereo microscope with forward head and pillar stand
- WF20x10mm eyepieces, 30.5mm, one pair
- 2x objective
- 4x objective
- Black/white stage plate, 95mm
- Frosted stage plate, 95mm
- (2) Eye guards
- (2) Stage clips
- Halogen bulb
- Dust cover
- Power cord
- Instructions
Juan manuel gonzalez
Reviewed in Mexico on January 28, 2023
El producto es de buena calidad, y funciona perfectamente, la imagen que da es muy nítida y sus niveles de aumentó son buenos, tal vez demasiado para la micro soldadura
guy red
Reviewed in Italy on February 13, 2022
Mio nipote è soddisfattissimo _ e di questo mi rallegra assai !
Jeannie
Reviewed in the United States on June 18, 2021
This is a great starter microscope BUT I've had mine 1. 5 years, during that time it has developed a hum that won't go away. I have to unplug the microscope for it to stop. And now the lower light has stopped working. I've tried swapping light bulbs but nope, still doesn't work. I use that lower light a lot to sex tarantula molts. Now I have to find something else!
Richard
Reviewed in the United Kingdom on February 6, 2021
I expected this would just have old-school halogen lights but it came with LED ones and is rechargeable to work without mains power. It also came with a dust cover and a little tool for positioning subjects. There is a glass stage disc and an opaque one (black on one side, white on the other). The optical quality and magnification is good for looking at the fine surface details of bugs and i have had great fun with it already. I didnt have any trouble adjusting it to fit my eyes though I leave the eyecups off because they force a bit of extra distance between my eye and the eyepiece. It is a solid meaty thing so I think it should last.
Enri
Reviewed in Spain on September 29, 2020
El microscopio (Amscope ) muy malas prestaciones, no se adapta a lo que uno cree que resulta y según anuncian. Se tiene que fijar en una posición concreta ya que en caso de monedas para ver sus pequeñas numeraciones es necesario acercar y alejar imagen, lo que conlleva al desajuste y no se consigue ver imagen de lo que se pretende. No sé si es defectuoso o bien es así su resultado. Me gustaría me informasen al respecto, bien vía telefónica al teléfono 619580745 o por este medio.Por otra parte, indicarles que en su lupa de enfoque, pone X2 y X4; y los lentes de visión en ambos WF20X y WF20X Debería de venir con libro de instrucciones al menos. Graciassaludos cordiales.
Amandine
Reviewed in France on March 1, 2020
Bien emballé, livraison avec l'adaptateur pour nos prises françaises. Pas mal de matériels de rechanges au cas où. Super pour le prix !
julianlang
Reviewed in the United States on October 30, 2019
The supplied WF20X eyepieces make this scope unusable!I do not recommend this microscope as configured. The WF20x eyepieces are totally worthless, making the scope unusable! The eye-point or eye-relief (distance from eyepiece to eye) is much too short. Even when not wearing glasses, and even with the comfort rubber eye-guards removed, it was impossible for me to get my eye close enough to the lens of the eyepieces to see a full field of view. I could manage, with difficulty, to see a very small portion of the intended field of view, approx 15% of the area the scope was designed to show. It was like looking at a room through a keyhole. It's not adequate enough to even use the stereoscopic feature of the scope.I have tested the scope with 3 other sets of various power eyepieces I own, and the scope worked fine with all of those. So this is definately an eyepiece issue. To make maters worse, the supplied WF20X eyepieces have a tall ridge circling the eyepiece lens, and that lip contributes to making it impossible to get your eyes close enough. Maybe it will work with some children, but it is worthless with my head. Though, I use microscopes a lot, and never had this problem with any other scope. I am flabbergasted as to why this combination of scope and eyepieces would be offered. Was it not tested with many people?It "may" be possible to successfully use WF10X 30.5mm eyepieces with this model, since those should have a higher eye-point? Or a set of 20X 30mm extremely widefield eyepieces design for eyeglass users (with some tape to get 30.5 mm diameter). Unfortunately, you can't be sure without purchasing, and doing your own testing.Though, I am keeping the scope, since other than the dysfunctional eyepieces, the scope is fine, built well and a good value, even though, I will need to purchase different eyepieces. Not happy about that.Also note, if you wish to use a LED ring light with this microscope, the manufacturer does not offer a solution. None of the LED ring lights they sell can be mounted on this model, they told me. That is a design flaw in my opinion.
Ian Mazursky
Reviewed in the United States on July 22, 2017
I really wanted to like this microscope but its not all that great.First the glass plate for transmissive specimens seems to be extremely course.Thus you can see the grain of the grind superimposed on what you are looking at.There is a very small window where that disappears mostly but I can still see it slightly.I will be regrinding the glass plate with fine grit to hopefully smooth it out.The tungsten bulbs are really old technology and should have been upgraded to LED's to make this more useful.Probably something I will have to do.The optics, no matter how I adjust them are uncomfortable to see through.They don't really make 1 spot as much as a tunnel you are looking through.Other then that, its very solid and looks to be well built.For a beginner scope, its probably fine but for my uses, its needs a lot of work.That said, I will probably keep it and make the much needed improvements.
Jonathan
Reviewed in the United States on May 6, 2017
The microscope works very well. I am a professional scientist and the optics on this are as good as any professional quality instrument for this magnification. It comes with 2 bulbs installed and 2 spare bulbs. I only wish they had built in a place to keep the spare bulbs and stage plate.However, it's a lot smaller than I imagined, the product pictures do not give a good sense of scale.
Edward A. Faulkner
Reviewed in the United States on February 5, 2017
This is an excellent quality instrument. If you are unsure of whether a compound or stereo microscope is more fun for children, definitely start with a stereo scope like this one. Being able to grab any random bug, bit of food, or rock and see it immediately with no slide prep is key.I took these photos with an iPhone looking right through the microscope. They are the mint mark on a nickel, the seeds inside a blueberry, and the pixels from the battery icon on a smart phone.
Kevin Butler
Reviewed in the United States on February 9, 2015
Arrived in great condition, easy to set up and use after I found a video on Youtube for this specific model. Pamphlet was clear and helpful. Fun to look at fabric, insects, mold. Sadly I had to return it because adjusting the focus gives me bad motion sickness (old analog cameras did that too). A bummer.The only downside I found was with the eye guards on it were impossible for me to see past. I had to remove them and get right up to the lenses to see. One of the lenses focuses independently which is handy sometimes but you have to re-adjust the guard after it's focused as it will turn with the lens. This is just a minor annoyance and otherwise it's great.Returns are extremely smooth although there is a shipping fee.
Richard Gonzalez
Reviewed in the United States on December 4, 2012
This microscope is an excellent buy. When I install the package and immediately started to use it to weld a really small piece of a cell plate and was quite comfortable and easy to work with him and I could do my job effectively. Excellent product. I think it was a very good buy.
Grandmommee
Reviewed in the United States on January 13, 2012
My grandson was so excited when he started looking at the slides I ordered to look at with this Microscope. It was so much fun watching him look and share with me and his brothers and sisters things like bee's knees and rabbit blood. He has had a cheaper one that we looked at things like scum and spit, but we could see a difference. We can with this new one. It was a very reasonable price. It arrived fast and well packaged.
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