NOTE : Colored rings are special order. Please allow an additional seven (7) days to process & ship. Volks Super VitreoFundus® provides ultra wide-field viewing and outstanding small pupil ability for quick and comprehensive fundus exams at the slit lamp. It has been specifically designed to provide a wide field of view through small pupils without the hassle and steep learning curve of typical small pupil lenses. Delivering an incredible 124 dynamic field of view with ample .57x magnification, it is ideally suited as your primary care retinal scanning lens. Volk exclusive HI/LD glass ensures high resolution images - even with slit lamp settings of 25x and above. Specifications   Field of View 103°/ 124° Image Mag. .57x Laser Spot Mag. 1.75x Working Distance 4-5 mm Primary Application Wide field retinal scanning and small pupil exams (3-4 mm) Lens Demonstration - Move your mouse over image to control - Requires free FLASH Plug-in (Click here to download if image does not appear)