Lensbaby 50mm f/2.5 Sweet Spot Spark Lens $99.95 @ B&H Photo w/ Free Shippi By admin | May 10, 2017 11:51 am EST 0 Comment Canon EFNikon EFSpecs:F-Mount Lens/FX FormatAperture Range: f/2.5 to f/22Tilting Lens Body for Selective FocusMulti-Coated GlassDoublet Optical DesignMinimum Focusing Distance: 9"