Ztylus RV-2 v2.0 Revolver 4-In-1 Lens Attachment w/ Free Metal Black Case For Ztylus Apple iPhone Case (iPhone 6s Plus / 6 Plus) Circular Polarizer: A circular polarizer filter cuts glare and reflections, allowing deep, natural colors to show through with great saturation. This effect is most noticed in blue skies where white clouds will pop from the darkened blue skies. Wide Angle Lens: The Wide-Angle Lens is great for when you need that extra field of view, approximately double that of the normal iPhone. Macro Lens: Choose the lens based on the level of detail youre looking for. The 10x Macro Lens has an approx. 18mm focusing distance. Fisheye Lens: The Fisheye Lens captures approximately a 180 field-of-view and produces some striking images. Ztylus Revolver 4-In-1 Lens Attachment is 2.0 version that is the most updated version. The FREE case color is random.