NiSi Close Up Lens Kit NC 77mm II (with 67 and 72mm adaptors) | NiSi Optics USA
82mm 82 Mm 4pcs Close-up Close Up Filter Macro Lenses Filters Diopter 4x +1 +2 +4 +10 For Canon Nikon Sony Pentax Fuji Lens N014 - Camera Filters - AliExpress
NiSi Close-Up Lens Review — Allan Walls Photography
NiSi Close Up Lens Kit NC Review: Macro Field Test - Nature TTL
High Definition 52mm +10 Macro Close Up Filter for Nikon 50mm f/1.4D Auto Focus Nikkor Lens & Nikon 85mm f/3.5G AF-S DX ED VR Micro Nikkor Lens - Walmart.com
Macro Photography on a Budget: An introduction to Close-up Filters
Camnoon 67mm Close-up Filter Kit 4pcs(+1,+2,+4,+10) Macro Filters Close-up Lens Filter Set with Filter Pouch Cleaning Cloth Replacement for Nikon Sony Pentax Olympus Fuji DSLR - Walmart.com
Amazon.com : 82mm Close-up Filter Kit 4 Pieces(+1,+2,+4,+10) Macro Filter Accessory Close-up Lens Filter Kit Set with Lens Filter Pouch for Canon Nikon Sony Pentax Olympus Fuji DSLR Camera+Lens Cap : Electronics
NiSi Close-Up Lens Review — Allan Walls Photography