Abstract: A combination apparatus and an operating method thereof are provided. The combination apparatus includes a first device, a second device and a connecting mechanism. The first device includes a first display unit and a first image capturing unit, wherein a picture is captured by the first image capture unit and converted into an image signal for the first display unit to display. The second device includes a second display unit with resolution different from that of the first display unit and is capable of wirelessly controlling the first device. The connecting mechanism is configured to detachably fasten the first device and the second device. The operating method of the combination apparatus includes utilizing the first device and/or the second device to capture a picture; and utilizing the first display unit and/or the second display unit to display the picture.

Abstract: A range finder adapted for finding the object distance of a subject having a specific height includes a shell unit, an objective lens assembly, a magnifying unit having multiple selectable magnification ratios, and a range finding unit. The range finding unit includes a scale, a pointer, and a mark. The object distance of the subject is known by comparing the scale and the pointer in an imaging plane when an end of an image of the specific height of the subject formed on the imaging plane is aligned with the mark.

Abstract: A sensing range selectable image sensor module includes a lens defining a first light-sensing area, which allows a relatively larger amount of light to pass, and a second light-sensing area, which allows a relatively smaller amount of light to pass, two sensors respectively arranged at one side relative to the lens corresponding to the first light-sensing area and the second light-sensing area and electrically coupled to a controller for receiving light from the first or second light-sensing area and generating a respective trigger signal selectively receivable by the controller.

Abstract: An image capture device and a converter lens assembly thereof are provided. The image capture device includes a mobile phone and the converter lens assembly wherein the converter lens assembly is connected to the mobile phone. The converter lens assembly includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is with positive refractive power. The fourth lens is with positive refractive power. The converter lens assembly satisfies the condition: 1<|f1/f2|<2 and/or the condition: 1<|f345/f2|<2, wherein f1 is the effective focal length of the first lens, f2 is the effective focal length of the second lens, f345 is the effective focal length of the combination of the third lens, the fourth lens and the fifth lens.

Abstract: A sight and methods of operation thereof are provided. In some embodiments, an image is captured via an image capture unit, and a center position is calculated according to the positions of at least three impact points in the image, and a predefined view center of a display unit is set to the center position. In some embodiments, an angle of dip of the sight to a plane is detected via a dip angle detector. A predictive impact point is calculated according to the angle of dip and at least one calculation parameter, and an impact point indication is accordingly displayed in the display unit. When the angle of dip is changed, the predictive impact point is recalculated according to the new angle of dip, and the corresponding impact point indication is displayed.

Abstract: An image capture device and anti-shake control method thereof are provided. The image capture device includes a command input unit, a lens unit, a vibration compensation unit, and a control unit. The anti-shake control method is performed by using the control unit to compare the zoom ratio of the lens unit with a predetermined value. When the zoom ratio is greater than or equals the predetermined value, the vibration compensation unit is enabled. When the zoom ratio is less than the predetermined value, the vibration compensation unit is disabled unless a first motion acts on the command input unit.

Abstract: A zoom lens includes a first lens group, a second lens group, a third lens group and a fourth lens group, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens group is with positive refractive power and includes a first lens that is with negative refractive power and a second lens that is with positive refractive power. The second lens group is with negative refractive power. The third lens group is with positive refractive power and includes a third lens front group that is with positive refractive power and a third lens rear group that is with positive refractive power. The fourth lens group is with positive refractive power.

Abstract: A projection lens includes a first lens group, a second lens group and a third lens group, all of which are arranged in sequence from an projection side to an image source side along an optical axis. The first lens group is with negative refractive power and includes four lenses. The second lens group is with positive refractive power and includes two lenses. The third lens group is with positive refractive power and includes a stop and six lenses.

Abstract: An optical coupling device includes an optical coupling member, an optical-electrical converting module, and at least two optical fibers. The optical coupling member has a first under positioning portion. The optical-electrical converting module has a substrate, a base, an optical signal transmitter, and an optical signal receiver. The base is made of an insulating material and is provided on the substrate. The base has a receiving portion and a second under positioning portion to engage the first under positioning portion. The optical signal transmitter and the optical signal receiver are receiving in the receiving portion and face the first lens portion when the second under positioning portion engages the first under positioning portion. The optical fibers are beside the optical coupling member and face the second lens portion.

Abstract: A sight includes a body and an adjusting dial. The body has a surface and a depression disposed on the surface. The adjusting dial is disposed on the surface of the body. The depression extends from an edge of the body to the adjusting dial.

Abstract: A lens assembly includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is with positive refractive power and includes a convex surface facing the object side. The second lens is a meniscus lens with negative refractive power and includes a convex surface facing the object side. The third lens is with positive refractive power and includes a convex surface facing the image side. The fourth lens is with positive refractive power and includes a convex surface facing the image side. The fifth lens is a biconcave lens with negative refractive power.

Abstract: A slim lens assembly includes a first lens, a second lens, a third lens, a fourth lens and a fifth lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is a convex-concave lens with negative refractive power and includes a convex surface facing the object side and a concave surface facing the image side. The second lens is with positive refractive power. The third lens is a biconcave lens with negative refractive power. The fourth lens is a biconvex lens with positive refractive power. The fifth lens is a convex-concave lens with negative refractive power and includes a convex surface facing the object side and a concave surface facing the image side.

Abstract: A barcode reading method and a barcode reading device are provided. An image sensor is utilized to capture an image of a barcode via an optical lens, and then a triangulation method and an ideal lens imagining method are collocated to calculate the digital image so as to produce an optimum image distance. A distance between the image sensor and the optical lens is then adjusted in accordance with the optimum image distance, so that the barcode can be immediately and clearly imaged on the image sensor.

Abstract: An electronic device includes a lens assembly, a lens focusing rod, a power switch and a lens protective cover. When the lens protective cover is located in the first position, the lens assembly is shielded by the lens protective cover, the power switch is turned off, and the lens protective cover is separated from the lens focusing rod. When the lens protective cover is located in the second position, the power switch is turned on, and the lens protective cover is contacted with the lens focusing rod. When the lens protective cover is moved between the second position and the third position, the power switch is turned on, and the lens assembly is driven by the lens protective cover through the lens focusing rod for focusing operation.

Abstract: A positionable mechanism includes a frame unit, an OIS unit, and a positioning unit that are mounted on a base unit. The frame unit is retractable with respect to the base unit between a storage position and a working position. The positioning unit is movable with respect to the OIS unit between an abutting position and a releasing position, and is subjected to a restoring force. When the frame unit is at the storage position, a pressing part of the frame unit presses the positioning unit to the abutting position where the positioning unit abuts against a movable carrier of the OIS unit. When the frame unit is at the working position, the positioning unit is restored to the releasing position and releases the movable carrier.

Abstract: A sighting apparatus for displaying a magnification value is described.

Abstract: A pico projector includes a transmission connector, a projector body and a transmission wire body. The projector body includes an accommodation portion utilized to accommodate the transmission connector. The transmission wire body is extended from an interior of the projector body to the transmission connector.

Abstract: A light splitting and detecting system including at least one light splitting and detecting apparatus is provided. The light splitting and detecting apparatus is capable of receiving a first wavelength optical signal and a second wavelength optical signal. The light splitting and detecting apparatus includes a filter, light detecting unit, a first wavelength filtering unit and a slit. The filter is disposed on the transmission path of the first wavelength optical signal and the second wavelength optical signal. The first wavelength filtering unit is disposed between the filter and the light detecting unit. The slit is disposed between the first wavelength filtering unit and the light detecting unit and expose the light detecting unit.

Abstract: A lens device includes a first barrel surrounding an optical axis, a first frame coupled rotatably to the first barrel and surrounding a first axis, and an adjusting unit. The adjusting unit has an adjusting groove formed in one of the first barrel and the first frame, and having adjusting groove segments, one of which extends spirally. The adjusting unit further has adjusting blocks formed on the other one of the first barrel and the first frame and engaging respectively and slidably the adjusting grooves. The first frame is rotatable relative to the first barrel to adjust the first axis relative to the optical axis.

Abstract: A single piece light guide is disclosed herein. The single piece light guide may include a light rod and a lens. The single piece light guide may be formed using injection molding. The light guide may have one or more regions between the light rod and the lens. A housing may be provided for the light guide. The housing may have an opening that physically supports the light rod. Therefore, the light rod may be secured into place, which may prevent misalignment during use. The one or more regions between the light rod and the lens may assist in assembling and holding the light guide in the housing.