Fritz Straehle

Microscopy system and method

Pancratic magnification system for stereoscopic microscope

Lighting device and observation device

Operation microscope and lamp for cataract removal has light source and objective with optics creating homogeneous illumination of red reflection from eye

Image reversion system, ancillary ophthalmoscopy module and surgical microscope

Objective for an observation device, a microscope, and a method for adjusting an objective

Medical stereoscopic endoscope for microscopic examination - uses combined optical paths in insertion probe contg. rod-shaped lens systems and glass element producing intermediate image

Projection optics with adjustable refractive power and method for adjusting the refractive power thereof

OPTICAL SYSTEM, UTILIZATION METHOD THEREOF, AND METHOD TO OBSERVE OBJECT THEREBY

Optical observation device for observing an eye