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Ocular Osher MaxField® 78D

Ocular Osher MaxField® 78D. Formerly called the Osher Panfundus Lens. 78D high refractive index glass lens gives wider field than a traditional 78. Very high resolution and wide field for slit lamp fundus examination. Unique design minimizes reflections. Works very well with surgical microscope. Available with red, blue, green, gold, purple, or traditional black holding ring. Now available with our NEW Laserlight® HD anti-reflective coating.


Ocular Osher MaxField® 78D (OI-78M)

  • Image Mag.: .77x
  • Laser Spot Mag.: 1.30x
  • Static FOV: 98°
  • Dynamic FOV: 155°
  • Working Distance: 7mm
  • Clear Aperture: 27mm
  • Lens Weight: 21g
  • Color Options: Black, Red, Purple, Green, Gold, Blue


The new Laserlight HD anti-reflective coating was specially designed to minimize reflection on high index lenses. The high definition images that can be achieved with this coating are ideal for digital imaging applications. Reflections are reduced 50-80% compared with traditional coatings. Laserlight HD significantly increases image brightness and maximizes laser efficiency. Laserlight HD has a more spectrally neutral reflection and yields a more natural image color palette. It surpasses MIL-C-48497 standard for coating durability and is highly scratch resistant.

Consider some of the benefits of anti-reflective coatings.

Minimum reflection and enhanced image quality are essential considerations for slit lamp examinations. Many eye doctors are converting to exclusive use of laser lenses for diagnostic use, because of significantly greater image clarity and resolution. For laser application, transmission of the treatment beam is maximized. This is important for optimizing the interaction of the laser energy with the target tissue. Reflectance of the aiming beam and slit lamp source is minimized. Although there is certainly a safety factor added by reducing these reflections, the primary benefit is an increase in image contrast and resolution of the treatment area.Product Data Sheet

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