12.5mm Mini Secondary Optics (Plastic / 20-Pack)

SKU: 4588 (Added on -)
Price:
US$
2.84
15% OFF
List Price: US$3.36
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Ships within 7-10 business days
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12.5mm Mini Secondary Optics (Plastic / 20-Pack)
This SKU has more options in www.dxlisting.com site: View Details
This SKU 4588 is available in US direct. US: 901004588
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Dimensions: 0 in x 0 in x 0 in
Weight: 1.41 oz

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Quantity 3+ units 5+ units 10+ units
Rate USD$ 2.52 shipped USD$ 2.51 shipped USD$ 2.5 shipped

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Customer Reviews

Average Customer Review (7 customer reviews) 5

100% of customers would recommend this product to a friend (7 out of 7)

  • 5 star: 4 (0%)
  • 4 star: 3 (0%)
  • 3 star: 0 (0%)
  • 2 star: 0 (0%)
  • 1 star: 0 (0%)

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  • Best to make microscope

    posted by jgarneaulaval on 19:36:41 G12T 11/12/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 takes 4 to 6 weeks.

    Other: If you are looking for a cool project, by this product a lets make a microscope. It takes about 5 hours and it cost less than 5$ with this optical disk.

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    • Overall
      5
    • Price:
      5
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
  • Good

    posted by Josh101 on 20:14:43 G3T 12/03/2013 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 little nicks here and there.

    Cons: small lens's with wide focus, not suitable for a tight focus but at this size probably not a problem.

    Other: if you know what you want to do with them then buy them.

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    • Overall
      4
    • Price:
      5
    • Quality:
      4
    • Ease of use:
      5
    • Usefulness:
      3
  • affordable lens for small flashlight

    posted by shing97 on 23:09:25 G3T 05/03/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 them, it may even weaken the lightness, and cause a dark circle inside of the beam.

    Other: Very cheap lens. You can glue it to every flashlight that you have.

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    • Overall
      5
    • Price:
      5
    • Quality:
      4
    • Ease of use:
      5
    • Usefulness:
      5
  • Great deal

    posted by Arius on 11:42:09 G6T 08/06/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 it Yourselvers.

    Cons: the price is high for a bunch of plastic but it may be worth the price depending on application

    Other: If you need it pay for it.
    All fields aded together, your review does not contain more than 500 characters
    All fields aded together, your review does not contain more than 500 characters

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    • Overall
      5
    • Price:
      3
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
  • Nice optics

    posted by molotowitz on 09:07:35 G5T 30/05/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 shine in a smaller angle (not 120 degrees as it does), but it doesn't work very much with it...some effect can be seen, but construction of this LED includes a bunch of semi-light leaking white diffusion plastics and toghether it doesn't work as I expected.

    Other: It doesn't help me, but that's my cas only with my LED. However no complaints at all, these are good lenses for quite good price.

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    • Overall
      4
    • Price:
      3
    • Quality:
      4
    • Ease of use:
      5
    • Usefulness:
      4
  • Very nice plano-convex lens

    posted by qwtzwk on 14:17:55 G3T 27/03/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 combined) will not be accepted. All fields aded together, your review does not contain more than 500 characters." I would not have to cut and paste in all this guff if the form told me how many more characters I have to add!!!
    :) :) :)

    Other: Great!

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    • Overall
      5
    • Price:
      5
    • Quality:
      5
    • Ease of use:
      5
    • Usefulness:
      5
  • Hard find littel lens

    posted by groundhog on 17:04:02 G3T 16/03/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    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 you get a few artifacts (of oourse)

    Other: A nice little lens that you would have to hunt high and low to aquire, thanks DX!

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    • Overall
      4
    • Price:
      5
    • Quality:
      3
    • Ease of use:
      3
    • Usefulness:
      4
showing latest 7 entries. Click here to read all 7 reviews.

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