174530 ⎘
Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with movable lens means specially adapted for focusing at close distances having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group
Sub-classes:OPTICAL SYSTEM AND CAMERA MODULE COMPRISING SAME
#2OPTICAL SYSTEM, IMAGE PICKUP APPARATUS, AND OPTICAL APPARATUS
#3OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE OPTICAL SYSTEM
#4OPTICAL SYSTEM AND IMAGING DEVICE
#5Lens Having a Fixed Focal Length and Constant Overall Length for Auto Focus Applications
#6Image capturing lens system, image capturing unit and electronic device including eight lenses of +−+−++−+, +−+−+−+ or +−−+−−+− refractive powers
#7Zoom lens and imaging apparatus
#8Zoom lens and image pickup apparatus
#9Rotational varifocal planar lens
#10Zoom lens, image pickup apparatus, and lens apparatus
#11Imaging optical system, projection display device, and imaging apparatus
#12Surgical microscope with integrated optical coherence tomography and display systems
#13Rotational varifocal planar lens
#14Zoom lens and imaging apparatus
#15Endoscope magnification optical system, endoscope, and endoscope system
#16Zoom lens and imaging apparatus
#17Zoom lens and imaging apparatus
#18ULTRA WIDE-ANGLE LARGE APERTURE LENS
#19Rotational varifocal planar lens
#20Zoom lens and image pickup apparatus including the same
#21Surgical microscope with integrated optical coherence tomography and display systems
#22Optical system and image pickup apparatus including the same
#23Zoom optical system and image pickup apparatus using the same
#24Zoom lens system and electronic imaging apparatus using the same
#25Zoom lens and image pickup apparatus including same
#26Zoom lens unit, imaging device, and monitoring video camera
#27Zoom lens and image pickup apparatus including the same
#28Zoom optical system and imaging apparatus provided with the same
#29Variable magnification optical system and imaging apparatus
#30Zoom lens
#31Optical system and imaging apparatus including the same
#32Zoom lens and image pickup apparatus including the same
#33Projection zoom lens and projection type display device
#34Zoom lens and image pickup apparatus having the same
#35Zoom lens unit, imaging device, and monitoring video camera
#36Zoom lens and imaging apparatus
#37Zoom lens unit and imaging apparatus
#38Zoom lens and image pickup apparatus including the same
#39Zoom lens and camera
#40Zoom lens and image projection apparatus including the same
#41Zoom lens system and image pickup apparatus including the same
#42Variable-magnification projection optical system and projection display device
#43Projection zoom lens and projection display apparatus
#44Zoom lens system and electronic imaging apparatus using the same
#45Zoom lens
#46Inner focusing telephotographing zoom lens
#47Zoom lens and image pickup apparatus with the zoom lens
#48Zoom lens system and image pickup apparatus including the same
#49Macro lens system and pickup device including the same
#50Macro objective
#51Zoom lens system and camera having the same