This Dioptric Adjustment Lens E (+2) Requires Rubber Frame Ef, Eb or Ec. It is intended for all EOS cameras except EOS-3, A2/A2E, ELAN 7/7E, II/IIE, IX & IX Lite.For a complete compatibility list please refer to the original manufacturer’s web site.
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Those of us with age-related presbyopia eventually need help with our vision. This attachment keeps me from having to wear glasses when I’m shooting photos. Make sure to get the lens holder when you order the adjustment lens.
No more glasses fogging up with this adjustment lens. Be certain to purchase the rubber Eb frame otherwise it will not fit on the camera. The eye piece extender can also be used with this adjustment lens. Hence no fogging on the glasses and no nose/cheek prints on the LCD.
Also I recommend doing the dioptric adjust on the camera before mounting to the lens extender if you decide to use the extender along with the dioptric adjustment. (The focal points are clearer and easier to see pre-lens extender.
The order of mounting is rubber frame to dioptric adjustment and then these two pieces to the eye extender and then mounted to the camera. (from the camera body extended, dioptric adjustment, Eb rubber frame)