Optical Instrument Set Teaching Tool 9-Piece Optics Experimental Kit with Convex Concave Lenses for Physics Light Imaging Experiments
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Availability:
In Stock.
Arrives
Thursday, Jan 15
Features
- Core Functionality: This optical instrument set is designed to clearly demonstrate the imaging principles of concave and convex lenses, enabling students to intuitively understand optical experiments and enhance their physics learning experience
- Durable Construction: Made with sturdy plastic supports, this optics experimental kit ensures stable positioning of components during experiments, providing consistent results and safe usage in classroom or laboratory settings
- User-Friendly Design: Featuring an organized layout with precise adjustment capabilities, this optical bench set allows easy assembly and manipulation, making it suitable for science classrooms and hands-on optics education
- Convenient Storage and Portability: Packaged in a protective foam box measuring approximately 19.7 by 3.1 by 2 inches, this experiment equipment set is easy to store and transport, keeping all optical components organized and accessible
- Educational Support: This optics experimental kit serves as a practical teaching tool for science education, helping students explore and verify imaging rules with concave and convex lenses, thereby fostering interest and engagement in physics experiments
Product Dimensions : 19.68 x 3.14 x 1.96 inches; 1 Pounds
Item model number : 026OW144CP2NRNW25TX0NT
Date First Available : August 29, 2020
Manufacturer : ULTECHNOVO
Best Sellers Rank: #431,368 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #293 in Science Classroom Optics Kits
#293 in Science Classroom Optics Kits:
Customer Reviews: 3.0 3.0 out of 5 stars (1)
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If you place your order now, the estimated arrival date for this product is:
Thursday, Jan 15
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View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
There are a number of small annoying flaws that would have been easy to fix when this kit was designed and manufactured, but first let's look at what's in the box: - Lens #1: double concave, 1.16" diameter - Lens #2: 60mm focal length double convex, 1.16" diameter - Lens #3: 100mm focal length double convex, 1.55" diameter - Lens #4: 350mm focal length plano-convex 1.97" diameter - Lens #5: the lens in the light source projector is double convex, 50mm focal length, 1.4" diameter - Target: 2.19" square, white opaque plastic - Black plastic character screen mask - The rail is extruded aluminum; 1.91" wide by 0.94" high (48mm x 24mm) by 17 7/8" long - 12 volt light source (projector) The light source is a 12v automotive light bulb with a bayonet base. It can be adjusted up and down in the projector's housing and is held in place with a set screw. It can also be moved a short distance away and towards the projector lens, held by light friction. The theory is that by adjusting the bulb to put its filament in the projector lens' exact focal point, a uniform beam of light is projected along the rail. In practice the beam could not be accurately centered on the white target when the target is placed at the extreme end of the rail. The best I could do was the beam illuminating the bottom half of the target. It should be easy to substitute a super bright LED as a replacement by discarding the bulb and its holder, and hacking the plastic projector housing to hold the LED. The description mentions "Intuitively display the imaging rules of concave-convex mirror" and "1 x set of mirror base" but to be clear, there is no mirror in the kit. It also mentions "1 x candlestick (with candles)" but that was not included in my kit. Also not included "1 x soft rule", but there is a metric scale permanently attached to the rail. The rail's scale is graduated in 0.5 cm increments. It starts at 0 at the front of the light source projector, with a maximum practical readout of 40 cm. There is only one plastic finishing cap for rail. The lens holders have to be inserted starting at the open end of the rail; in other words, a lens holder cannot be inserted on the fly in the middle of an existing layout. The optical center line for the bench appears to be 35mm above the surface of the rail. Unfortunately there are variations in the center line of the lens holders so none of the lens centers exactly fall along this line, being off by as much as a few millimeters. Unnecessarily sloppy design and execution. The lenses appear to be glass but of only fair quality with some blemishes visible. Sharp enough for demonstration but not anything you'd want in a good quality optical instrument. This is not unreasonable given the cost of the kit. Overall there is limited precision with this kit but it is adequate for qualitative experimentation. With the exception of the largest lens, you can use firm pressure to carefully pop a lens out of its holder; the lens is held in with a thin friction fit plastic ring. The ring is so thin and can be easily broken if not handled carefully. Some, but not all, of the lens holder sleds have a center mark for reading against the rail's built-in scale. Weird. At least the sleds are interchangeable; the lens holder posts are attached to the sled by a friction fit. Someone skilled with 3D printing should be able to make more sleds and custom lens holders without too much difficulty. Hacking the projector to create a better light source should greatly improve the ease of use and accuracy. Even then, an optical bench such as this is best used in a darkened room. So while this kit could have been made better with no additional cost to the manufacturer, it is a bargain compared to similar kits available on Amazon, and with a bit of hacking, it should produce results comparable to similar kits costing twice as much.
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Reviewed in the United States on February 18, 2022 by BC