Not a bad little lamp but I use the strker 170 with a homemade filter.ive used these since they first come out.to make the filter I used a 6"plastic stop end adaptor.cut out the middle and it leaves the outside of the adaptor which fits inside of the rim of the lamp which you have to cut about 5mill of to fit inside.spray it black or use black tape which is what ive done.you can make it so its a tight fit which you can still pull out of the lamp and choose any colour filter you want.for the filter just cut the 3prongs off and just screw through filter and attatch to adaptor which gives you a