. Beck microscopes. Microscopes. Photomigraphic Cameras. EYEPIECE CAMERA WITH VIEWING No. 3657. Eyepiece camera with observing tube, shutter and three single metal plateholders ;^12 12 0 No. 3658. Extra single metal plateholders ... ... ... ... ... each 0 3 0 This camera iits in the drawtube of the microscope and is so constructed that the object to be photographed is seen through the observing tube up to and during exposure. By means of the observing eyepiece the position of the object in the field and its correct focus are accurately set, and the exposure then made by means of a
. Beck microscopes. Microscopes. Photomigraphic Cameras. EYEPIECE CAMERA WITH VIEWING No. 3657. Eyepiece camera with observing tube, shutter and three single metal plateholders ;^12 12 0 No. 3658. Extra single metal plateholders ... ... ... ... ... each 0 3 0 This camera iits in the drawtube of the microscope and is so constructed that the object to be photographed is seen through the observing tube up to and during exposure. By means of the observing eyepiece the position of the object in the field and its correct focus are accurately set, and the exposure then made by means of an antinous release fitted to the timed shutter. The plate carried by diameter. the camera is 3| in. X 2|in., and the size of the picture given is a circle of 2|-in. The upper portion of the camera, , the tapered box and shutter, can be removed from the lower part with its observing tube, and this lower portion forms a double demonstration eyepiece enabling two workers to observe simultaneously, one with the side eyepiece and one by means of the eyepiece directly over the tube of the microscope. A pointer is fitted for indicating any special object in the field. The eyepieces have separate focussing motions for bringing this pointer sharply in focus. For photography both eyepieces are pushed home in the mountings and in this position they synchronise so that an object is in focus both in the observing eyepiece and on the plate of the camera. A ground glass screen is provided, so that this setting may be checked if it becomes necessary. The apparatus fits the standard size drawtube and has a clamp to ensure its rigidity. 90. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Beck (R. & J. ) Ltd. London : Beck
Size: 1460px × 1711px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcontributorgersteinuniversityoftoro, booksubjectmicroscopes
