4 piece Close Up filter set +1, 2, 4 & +10 For Nikon Coolpix P510 & P520 & P530 Digital Camera 4 piece Close Up filter set +1 +2 +4 & +10 For Nikon P510 & P520 Glass Multi Coated 4 piece Close-up Filter Set consisting of +1, +2, +4 & +10 diopters. This is the perfect, economical alternative to a macro lens. Close-up filters offer a world of new and creative possibilities. They work well with both traditional & digital cameras. The set comes with a handy carrying case. Perfect for Macro Photography Get close-ups of insects, coins and much more! Used for close up macro photography taking pictures of stamp , jewelry , insets , small object such as coins , documents .... ( They can be combined to get stronger magnification )