Tiffen 52mm Close-up Lens Set 52CUS B&H Photo Video
Leica Elpro 52mm Close-Up Lens with 49 and 46mm Step-Up Rings — Glazer's Camera Inc
NiSi Close Up Lens Kit NC 58mm (with 49 and 52mm adaptors) | NiSi Optics USA
D-SLR Close Up Lens (52mm) | Nikon
Hoya 52mm HMC Close-Up Filter Set II (+1, +2, and +4) A-52CUS-II
High Definition Auto Focus 0.45x 52mm Wide Angle Lens With Built-in Macro Lens For Extreme Close-up Shots - Buy Super Wide Angle 0.45x W/macro,Wide Angle Lens,Pro Super Wide Angle Camera Lens For
NiSi 58mm Close-Up NC Lens Kit with 49 and 52mm Step-Up Rings
Fujinon CL-11052 Close-up lens 52mm | eBay
Promaster Close-up Set 52mm - Looking Glass Photo & Camera