Abstract: An eye image and video capture system (100) that includes at least one user interface from which a user may select one of a plurality of regions of an eye to image, each of the plurality of regions preferably having at least one correlated preset value for the light control components of the optics assembly and/or at least one correlated preset value for controlling the camera. A method associated with the eye image and video capture system. A slit lamp data detection system in which the slit lamp (200) preferably has a movable component that preferably has a direct relation to desired data. The slit lamp data detection system may be a slit lamp magnification data detection system for detecting magnification data. The slit lamp data detection system may be a slit lamp position data detection system for detecting position data that indicates which eye is being examined.

Abstract: An eye image and video capture system (100) that includes at least one user interface from which a user may select one of a plurality of regions of an eye to image, each of the plurality of regions preferably having at least one correlated preset value for the light control components of the optics assembly and/or at least one correlated preset value for controlling the camera. A method associated with the eye image and video capture system. A slit lamp data detection system in which the slit lamp (200) preferably has a movable component that preferably has a direct relation to desired data. The slit lamp data detection system may be a slit lamp magnification data detection system for detecting magnification data. The slit lamp data detection system may be a slit lamp position data detection system for detecting position data that indicates which eye is being examined.

Abstract: A process for high resolution high accuracy photoreduction of radiographs, a rotatable photographic copy stand for the photoreduction process, and a high resolution high accuracy microfilm reader with built-in measuring capabilities are shown. The photoreduction process employs a camera with high precision optics, a high resolution copy film, and a first developing solution containing 0.014 to 0.025 moles per liter of a 3-pyrazolidone as the primary developing agent plus a lesser amount of a secondary developing agent, in a reversal process, to yield positive images having gamma values of 1.00 to 1.05. The copy stand has multiple workstations mounted on a rotatable frame, and several lightboxes.

Abstract: The present invention is directed to a variable volume film drum with a proportionally variable length conduit path for directing and controlling the flow of fluids introduced into the drum. The center conduit path is comprised of interconnecting conduit reels also used to hold the film. Each conduit reel has an internal conduit path, one end of which forms an outwardly extending flange or male portion and the distal end forms a receiving or female portion. As the volume of the container is varied to accommodate more or less reels, the conduit path formed by the interconnected reels is proportionally altered. The conduit reels are further connected to a fluid inlet tube in the film drum to complete an integral path for the introduction of fluids into the drum.

Abstract: A color filter head for attachment to photographic enlargers has a universal mount adapted for ready attachment to lens mounts regardless of size and a unique system for sequential color addition and integration to produce a color corrected print. The filter head includes a manually rotatable, adjustable filter disc assembly having high-density filter segments which are relatively movable under an overlying cover disc having two opposed open quadrants. The filter assembly acts like a balanced fly wheel which is mounted beneath the enlarger lens. In normal use, the light from the lens passes through the open quadrants of the cover disc and through the portion of the filter material disposed in the open quadrants as the wheel is manually rotated during the printing step. The system thereby utilizes a method of sequential light addition and integration. Sequential periods of white and colored light are integrated to produce the desired total exposure.

Abstract: A display frame construction employs spaced end plates having at least two contiguous curved edges to receive at least two webs or sheets carrying graphic displays. Interposed slotted spacer members which interfit with and maintain the plates in spaced generally parallel relation may be employed to receive the contiguous edges of the displays. Edge portions of the plates are also slotted along the curved edges whereby two opposed edges of a rectangular picture or other display web may be received in plate slots which follow the edge contours of the plates and the other pair of opposed edges of the display may be received in the slots of the spacer means. The plates and spacers may interlock or resilient means between the plates may be employed to maintain the frame components in a state of assembly.

Abstract: The present invention is an optical aid especially applicative as a focuser for use with photographic enlargers. The structure of the device makes it possible to focus at any point on the projected image at the easel surface. The focuser can be hand held by the operator with one reference point placed on the easel surface in an area where the image is to be focused. The focuser has a mirror which reflects the light of the enlarging apparatus onto an integral viewing surface with the distance from the reference point to the center of the mirror along a reference axis being precisely the same as the distance from the center of the mirror to the center of the viewing surface along a viewing surface axis. The angle of the viewing axis relative to the mirror surface must be the same as the angle of the reference axis to the mirror surface.