Volk Superfield Lens

Primary Application:  "Super 90" for general retinal scanning.  Gain 27 degrees further to the periphery than the 90D, allowing for superior wide field viewing without losing the magnification of the 90D.

Primary Application:  "Super 90" for general retinal scanning.  Gain 27 degrees further to the periphery than the 90D, allowing for superior wide field viewing without losing the magnification of the 90D.

Primary Application:  "Super 90" for general retinal scanning.  Gain 27 degrees further to the periphery than the 90D, allowing for superior wide field viewing without losing the magnification of the 90D.

Primary Application:  "Super 90" for general retinal scanning.  Gain 27 degrees further to the periphery than the 90D, allowing for superior wide field viewing without losing the magnification of the 90D.

Primary Application:  "Super 90" for general retinal scanning.  Gain 27 degrees further to the periphery than the 90D, allowing for superior wide field viewing without losing the magnification of the 90D.

Primary Application:  "Super 90" for general retinal scanning.  Gain 27 degrees further to the periphery than the 90D, allowing for superior wide field viewing without losing the magnification of the 90D.

Primary Application:  "Super 90" for general retinal scanning.  Gain 27 degrees further to the periphery than the 90D, allowing for superior wide field viewing without losing the magnification of the 90D.