Lenz spectrum penetration measument device which is easy to measure wide-angle lenz and high numerical aperture of lenz

摘要

Disclosed is a lens spectral transmittance measurement device that is capable of easily measuring optical properties of wide-angle lenses and high-aperture optical lenses. The lens spectral transmittance measuring device is fixed to the lower body and generates light to be used for lens measurement, and converts the emitted light into straight light, and a collimating lens 20 and the light source and collimating lens 20. Integral spheres provided with a sample mounting portion 22 having an opening for introducing the emitted light into the measurement sample, a sample holder 24, and a light input opening 25 for introducing light transmitted through the opening ( 26), the integrating sphere (26) the vertical lifting guide portion (27) for guiding the body vertically with respect to the lower body, and the vertical lifting guide portion (27) relative to the vertical lifting guide body (27) The lifting bar 28 is provided with an external force in the vertical direction to the integrating sphere 26 to descend, and includes a lifting lever 29 for providing an external force in the vertical direction by the user to the lifting bar 28, the integrating sphere It is fixed to the side of the body 26 and the lower end further includes an elevating body 260 to which one end of the elevating bar 28 is rotatably coupled, and the elevating guide portion 27 has a front elevating body 260. The lifting body 270 fixed to the rear surface of the lifting body and guided by the lifting guide part 27 is coupled, and a portion between the one end of the lifting bar 28 and the lifting lever 29 is attached to the front surface of the lifting body 270. It characterized in that the lifting roller 272 to support the combined. The lens spectral transmittance measuring device for easily measuring the optical properties of the wide-angle lens and the high-aperture optical lens according to the present invention as described above is a field of view (FOV) and/or an aperture ratio (NA: lenz Numerical Aperture) of a sample lens to measure transmittance ), the integrating sphere is maintained firmly fixed so that the optical axis consisting of the light source and the collimating lens, the sample mounting portion and the sample holder is not disturbed in order to prevent the loss of light from entering the integrating sphere opening. Since the body can be vertically raised and lowered, it is possible to measure the optical properties of wide-angle lenses and high-aperture optical lenses, and the range of the measurable aperture (NA) is extended when it is based on the same sized integrating sphere.