Abstract: An optical processing apparatus includes: a combining element that combines a first optical path of a first light beam having a first wavelength and a second optical path of a second light beam having a second wavelength longer than the first wavelength; a condensing optical system having a positive refractive power and that condenses each of the first and second light beams from the combining element on a processing target object; and a correction optical system having a negative refractive power, the correction optical system is disposed on the first optical path at an entrance side of the combining element, one light beam of the first light beam and the second light beam is a light beam for processing the processing target object, the other light beam of the first light beam and the second light beam is a light beam for measuring the processing target object.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power and a second lens unit having a positive refractive power. A distance between adjacent lens units changes during zooming. The first lens unit includes two cemented lenses and each of the two cemented lenses includes a positive lens. Predetermined conditions are satisfied by the zoom lens.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a subsequent unit. The first lens unit is configured not to move for zooming. A distance between each pair of adjacent lens units changes in zooming. A predetermined condition is satisfied.

Abstract: An optical processing apparatus includes: a split optical system configured to split a first light beam, which enters thereto, into a second light beam including a plurality of light beams; a magnification varying optical system that is disposed on at least one of an optical path of the first light beam entering the split optical system and an optical path of the plurality of light beams included in the second light beam emitted from the split optical system; and a condensing optical system configured to condenses the second light beam, wherein an object is processed by the second light beam from the condensing optical system.

Abstract: The zoom lens includes, in order from object side to image side, a positive first lens unit, a negative second lens unit, a positive third lens unit, and a rear lens group including at least one lens unit, in which intervals between adjacent lens units are changed during zooming. The third lens unit includes at least two negative lenses and at least three positive lenses. An average value of partial dispersion ratios of two negative lenses having strongest refractive powers of the at least two negative lenses, an average value of partial dispersion ratios of three positive lenses having strongest refractive powers of the at least three positive lenses, an average value of Abbe numbers of the two negative lenses, an average value of Abbe numbers of the three positive lenses, a back focus, and a focal length of zoom lens at wide angle end are appropriately set.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and one or more rear lens units. The first lens unit does not move for zooming. An interval between each pair of adjacent lens units changes in zooming. The first lens unit includes a positive lens made of material with an Abbe number less than 30. A predetermined condition is satisfied.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a subsequent unit. The first lens unit is configured not to move for zooming. A distance between each pair of adjacent lens units changes in zooming. A predetermined condition is satisfied.

Abstract: A processing apparatus is a processing apparatus that irradiates a surface of an object with processing light to process an object and is provided with: a light irradiation apparatus that emits first processing light to form a first irradiation area on the surface and emits second processing light to form a second irradiation area, at least a part of which overlaps with the first irradiation area, on the surface, and has a change member that is configured to change a state of an overlap between the first and second irradiation areas.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power and a second lens unit having a positive refractive power. A distance between adjacent lens units changes during zooming. The first lens unit includes two cemented lenses and each of the two cemented lenses includes a positive lens. Predetermined conditions are satisfied by the zoom lens.

Abstract: A biological signal acquirer is attached to a subject and acquires a biological signal of the subject. A transmitter carried by the subject transmits the biological signal. A first communication port and a first camera are installed in a first location and connectable to a network. A second communication port and a second camera are installed in a second location and connectable to the network. A biological information acquiring device is connectable to the network and provided with a switcher. The switcher acquires, when communication establishment between the transmitter and the first communication port is detected, the biological signal through the first communication port as well as a first image taken by the first camera, and acquires, when communication establishment between the transmitter and the second communication port is detected, the biological signal through the second communication port as well as a second image taken by the second camera.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and one or more rear lens units. The first lens unit does not move for zooming. An interval between each pair of adjacent lens units changes in zooming. The first lens unit includes a positive lens made of material with an Abbe number less than 30. A predetermined condition is satisfied.

Abstract: A dome cover for covering a camera, the dome cover includes a spherical part and an aspherical part. The spherical part and the aspherical part have a boundary, where the spherical part and the aspherical part are adjacent to each other, on each of a front surface and a back surface of the dome cover. The aspherical part has a shape symmetrical with respect to a rotation around a rotation axis including a center of a sphere of the spherical part. On a section including the rotation axis, a distance from the rotation axis to the aspherical part increases as a position of the aspherical part becomes more distant from the boundary, an angle formed between the rotation axis and a line segment connecting the center of the sphere and the boundary on the front surface is less than 90°. A predetermined condition is satisfied.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; and a third lens unit having a positive refractive power. The first lens unit does not move and the second lens unit and the third lens unit move in mutually different loci during zooming. Conditional expressions are satisfied as follows: 0.05<|f2/m2|<0.59, and 0.20<|f3/m3|<1.95, where f2 is a focal length of the second lens unit, f3 is a focal length of the third lens unit, m2 is a moving amount of the second lens unit during zooming from a wide-angle end to a telephoto end, and m3 is a moving amount of the third lens unit during zooming from the wide-angle end to the telephoto end.

Abstract: The zoom lens includes, in order from object side to image side, a positive first lens unit, a negative second lens unit, a positive third lens unit, and a rear lens group including at least one lens unit, in which intervals between adjacent lens units are changed during zooming. The third lens unit includes at least two negative lenses and at least three positive lenses. An average value of partial dispersion ratios of two negative lenses having strongest refractive powers of the at least two negative lenses, an average value of partial dispersion ratios of three positive lenses having strongest refractive powers of the at least three positive lenses, an average value of Abbe numbers of the two negative lenses, an average value of Abbe numbers of the three positive lenses, a back focus, and a focal length of zoom lens at wide angle end are appropriately set.

Abstract: A dome cover for covering a camera, the dome cover includes a spherical part and an aspherical part. The spherical part and the aspherical part have a boundary, where the spherical part and the aspherical part are adjacent to each other, on each of a front surface and a back surface of the dome cover. The aspherical part has a shape symmetrical with respect to a rotation around a rotation axis including a center of a sphere of the spherical part. On a section including the rotation axis, a distance from the rotation axis to the aspherical part increases as a position of the aspherical part becomes more distant from the boundary, an angle formed between the rotation axis and a line segment connecting the center of the sphere and the boundary on the front surface is less than 90°. A predetermined condition is satisfied.

Abstract: A transmission device can be carried by the subject. A biological signal recording device can perform wireless communication with the transmission device. A transmitter transmits biological signal data corresponding to a biological signal of a subject. A storage stores the biological signal data. A receiver receives the biological signal data. A recorder records the biological signal data received by the receiver. A detector detects a missing portion in the biological signal data recorded by the recorder or a receipt of the biological signal data by the receiver. A notifier notifies the missing portion or transmits an acknowledgment of the receipt to the transmission device. A complementary transmitter retrieves biological signal data corresponding to the notified missing portion from the storage or identifies unreceived biological signal data and retrieves the identified biological signal data, and transmits the retrieved biological signal data.

Abstract: Provided is an optical system comprising a cemented lens including a positive lens, a negative lens, and an optical element cemented to the positive lens and the negative lens in which the optical element is made of an ultraviolet curing resin. An internal transmittance at a wavelength of an ultraviolet ray at which the ultraviolet curing resin is cured per thickness of 10 mm of a material for a first lens which is arranged on an object side out of the positive lens and the negative lens, and a minimum value and a maximum value of a thickness of the first lens in an optical axis direction are appropriately set.

Abstract: A zoom lens includes, in order from an object side to an image side: a negative first lens unit; a negative second lens unit; and a positive third lens unit, in which the first lens unit is not moved for zooming, the second lens unit and the third lens unit are moved during zooming, and an interval between each pair of adjacent lens units is changed during zooming, in which the first lens unit includes at least two negative lenses, and a focal length of the first lens unit, a focal length of the zoom lens at a wide angle end, a focal length of the zoom lens at a telephoto end, an interval on an optical axis between the first lens unit and the second lens unit at the wide angle end, and a back focus at the wide angle end are appropriately set.

Abstract: Provided is an optical system comprising a cemented lens including a positive lens, a negative lens, and an optical element cemented to the positive lens and the negative lens in which the optical element is made of an ultraviolet curing resin. An internal transmittance at a wavelength of an ultraviolet ray at which the ultraviolet curing resin is cured per thickness of 10 mm of a material for a first lens which is arranged on an object side out of the positive lens and the negative lens, and a minimum value and a maximum value of a thickness of the first lens in an optical axis direction are appropriately set.

Abstract: Provided is an eyepiece lens to be used for observing an image displayed on an image displaying surface, the eyepiece lens consisting of, in order from the image displaying surface side to an observation side: a first lens unit having a negative refractive power; and a second lens unit having a positive refractive power. The first lens unit consists of one negative lens, and the second lens unit consists of, in order from the image displaying surface side to the observation side, a positive lens and a negative lens that has a concave surface facing the observation side. During adjustment of a diopter, the first lens unit is configured to not move, and the second lens unit is configured to move.