DX  » Community » Reviews » 25mm 30-Degree Secondary Optics (Plastic / 10-Pack)
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    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Great item for this price

    posted by olexandr.ivchenko on 03/03/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    Quality is much better, than I was expecting for this price. Fits with cree xte on 20mm base. As it's made of plastic - it's very light, and can be easily glued to diode base. There is nothing much to say - it's doing job perfectly.
    Cons:
    Packing is not very good - just simple cornet. One out of 30 had a small defect. Description didn't had height of item, so I ha...
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Good for use with leds

    posted by debubudeh on 05/19/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Diffuses light well fit on top my star emitters
    Cons:
    Need very small screws to attach Lens is loose inside casing
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    nice optics pack

    posted by exilaus on 10/11/2009 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:
    price! very economy lens! it use whit ssc p4 is perfetc need 4 small screw for fix it or use 2component glue. nice clean cone of light perfect for create your flash light or for create a special illumination. for change colour use simple trasparent colo...
    Cons:
    not 100% of light out on lens. any ray lose in white cone. but for price is good compromise!
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Easy to work with optics

    posted by cappy on 09/14/2008 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    I have been building LED lights for MTB riding with these optics for quite some time now. I mainly use a 25mm copper pipe (for heat management), and a cree Q5 star emitter (not the best fit on these optics, and means you need to do a little bit of cutting o...
    Cons:
    Wished they fit Cree LEDs
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Perfect optic for Cateye HL-EL100 mod

    posted by desolder on 07/26/2008 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    I used this to mod a sadly weak 3x5mm LED Cateye HL-EL100. This optic is remarkably small and fits perfectly inside the body. The beam is good for a bike light, meaning it's a wide spot. I measured the spot to be about 15 degrees wide, and the spill to be a...
    Cons:
    The optic is a bit loose in the holder. Use a spot of epoxy or two part acrylic glue to hold it down. DON'T use cyanoacrylate g...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Cheap reflectors

    posted by c654321c on 11/10/2007 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    Cheap reflectors that are small enough to fix several in a tight spot. You can pry off the white housing. Same reflectors as the tri-Led reflectors.
    Cons:
    There seems to be wasted light that comes out of the side even with the white housing.
    View Detail » 
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