Single-lens reflex camera with interchangeable lens and aperture pre-selection device
DE1059962B
Circuit for forwarding and logical linking of signals
DE1051969B
Device for protecting electrical measuring and display instruments with light pointers against overload
DE1136506B
Photometric measuring aperture
DE1110514B
Coincidence rangefinder for photographic cameras
DE1095543B
Device for the projection of a wavelength division for grating spectrographs
DE1094997B
Photographic lens
DE1104030B
Program-dependent timer
DE1081301B
Galilean style viewfinder with mirrored frame for photographic cameras
DE1090083B
Rangefinder based on the coincidence principle
DE1129297B
Device for continuously changing the transmission ratio between the measuring or feeler element and the display device of measuring devices, in particular foot-lever devices
DE1086103B
Process for the production of fine structure metal meshes by photomechanical and galvanoplastic means
DE1081689B
Compensation device for an interferometer
DE1154290B
Honeycomb condenser system for film projectors
DE1089561B
Device for non-contact, fine measurement of changes in position
DE1087828B
Neutral gray light filter
DE1132432B
Lens with spring aperture device
DE1091347B
Measuring unit for aerial photo evaluation devices
DE1087290B
Device for beam adjustment in corpuscular beam apparatus, in particular electron microscopes
DE1121356B
Two-beam alternating light device, especially for ultrared spectrophotometers
