US10935753B1
|
|
Universal photographic and cinematographic lens system
|
US2017363864A1
|
|
Dynamic Microscope with Combined Optical Focus and Aberrational Correction
|
US2011304927A1
|
|
Complex modular afocal variator with spherical and chromatic aberration correction
|
WO9504297A1
|
|
Variator optical system
|
US5191469A
|
|
Afocal variation focusing system for mirrored optical systems
|
EP0472597A1
|
|
Continuously focusable optical system incorporating an afocal variator optical system
|
US4988173A
|
|
Modular afocal variator optical focusing system
|