H&Y Revoring Variable Stepping Ring Size:46-62mm The Nikon D3100 is a

The Nikon D3100 is a compact DSLR camera that shoots 24mp stills or 1080p video at up to 30fps

The Nikon Coolpix P90 is a "superzoom" camera with a 30x optical zoom lens

not your lens (that part is sold separately)

It features an effective image stabilizer

Simple and versatile

H&Y Revoring Variable Stepping Ring Size:46-62mm The Nikon D3100 is aThe H&Y Revoring is a variable stepping ring that lets you attach larger filters to lenses with a range of smaller filter threads handy if you're trying to share a single set of filters among several different lenses. As a bonus, these will let you use standard sized filters on lenses with non standard filter rings, as long as they're in the range of adjustment of each Revoring. A well made, all metal accessory with strong spring action. The sizes of