DX » Community » Reviews » 12.5mm Mini Secondary Optics (Plastic / 20-Pack)
5.0
  • 5 star 4 ( 57% )
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  • posted byjgarneaulaval on 12/11/2013

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month Pros:Good quality lens. I use it to make microscope with my students. We use two disk to make one microscope. The magnification is around 40X. The students love the project. The price is very good and the student can bring the project at home. Cons:The shipping tak... Read more

    3 3
  • posted byJosh101 on 03/12/2013

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:Used these for a custom 1W led light, i needed a wide beam with a small profile. the lens works fine and is made of acrylic, this was good for me because i was able to shave the sides down to make it fit. hard to do with glass. all were in good condition with... Read more

    0 0
  • posted byshing97 on 03/05/2011

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week Pros:20 lens for less than 3 dollars, you can't find in some where else. It is small, so it can fit some of my small flashlight. It really helps concentrate the light beam. It is plastic, so you can easily glue it to any surface. Cons:It cannot fit to bigger flashlights. To th... Read more

    1 0
  • posted byArius on 06/08/2008

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:High quality plastic lenses for your all needs. I use it in optoelectronic projects to improve focus and range of optical sensors. May also be used for other purposes. Somewhat pricy. One side is convex the other side is flat. Strongly recommended for all Do i... Read more

    1 0
  • posted bymolotowitz on 05/30/2008

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week Pros:Nice product. These plastic lenses are of equal quality between each other..All arrived in good condition, not scratched etc. Works great. Cons:Could be little bit cheaper (it's just a very small peace of plastic). I thought it could help me to make my LUXEON 5.1W RGB LED... Read more

    0 0
  • posted byqwtzwk on 03/27/2008

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:Clear, well made, very inexpensive. Cons:None for the product. But the online form is making me add characters to get to the 500 character limit. The form gives me this error code: "Please make informative reviews, reviews under 500 characters (all fields... Read more

    1 0
  • posted bygroundhog on 03/16/2008

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month Pros:Well here is a little plastic lens that focuses a 120 degree high bright LED into a nice tight spot with the die from the led projected as an image in the hot spot. They come in a pack of 20, all of mine are very consistent Cons:None really, used with out a reflector yo... Read more

    1 0

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