Telecentric Zoom Lens System For Optical Capture Of A Generated Event

A method for recording an event comprising:

• receiving energy from an event at a scintillator, the scintillator converting the energy to a light at a visible wavelength;
• receiving the light along a light path axis at a first lens group, the first lens group comprising one or more fixed lenses;
• presenting the light from the first lens group to first zoom lens element and a second zoom lens element, at least one of the first zoom lens element or a second zoom lens element movable in the direction of the light path axis;
• receiving the light at an image plane of a camera, the light forming an image on the image plane such that the movement of the first zoom lens element or a second zoom lens element adjusts the size of the image on the image plane;
• and
• recording the image with a camera.

An imaging system for use with a pulsed radiographic x-ray source comprising:

• a first lens group configured to receive light, the light representing x-ray energy;
• a second lens group having zoom capability, the second lens group having at least one lens that is moveable in relation to one or more other lenses in the second lens group;
• a shutter to selectively pass the light;
• a camera configured to capture the light to form an image, the image representing x-rays from the radiographic x-ray source.