JP6264840B2 - Lighting device - Google Patents

Description

  The present invention relates to a lighting device including a target light.

  Conventionally, there is an illumination device including a target light (see, for example, Patent Document 1). In this illuminating device, in order to appropriately illuminate the main subject with the illumination light, the target light irradiated from the target light serving as the mark illumination illuminates substantially the center of the illumination range.

JP 2001-228517 A

  By the way, when illuminating a subject with multiple lamps at the time of shooting, it relied on the photographer's sense of how to illuminate the subject, so reproducibility of illumination could be ensured. It was difficult. In addition, since the conventional target light indicates the approximate center of the illumination range, it is easy to aim using the target light when illuminating the subject with the maximum amount of light. However, for example, when deliberately diverting the substantially central area of the illumination area of the illumination light from the subject and illuminating the subject using illumination light in the peripheral area within the illumination range (a subtle effect such as illuminating with a small amount of light) It was unsuitable for aiming with a target light.

  The objective of this invention is providing the illuminating device which can change the irradiation position by a target light within an illumination range.

The illumination device of the present invention includes a first light source that emits illumination light, a second light source that irradiates target light within an illumination range of the illumination light, and irradiation of the target light by changing the direction of the second light source. And a changing unit that changes the position within the illumination range.
The illumination device of the present invention includes a first light source that emits illumination light and a plurality of light sources that irradiate different positions within an illumination range of the illumination light, and at least one of the plurality of light sources is provided. A second light source that is selected and lit to irradiate target light within the illumination range.

  ADVANTAGE OF THE INVENTION According to this invention, the irradiation position of the target light irradiated from the target light can be changed within the illumination range of illumination light.

It is a front view of the camera system using the illuminating device which concerns on 1st Embodiment. It is a perspective view of the illuminating device which concerns on 1st Embodiment. It is a figure which shows the internal structure of the illuminating device which concerns on 1st Embodiment. It is a figure which shows the target light operation mechanism which concerns on 1st Embodiment. It is a disassembled perspective view of the target light operation mechanism which concerns on 1st Embodiment. It is a figure which shows the irradiation position of the target light which concerns on 1st Embodiment. It is a perspective view of the illuminating device which concerns on 2nd Embodiment. It is a figure which shows the internal structure of the illuminating device which concerns on 2nd Embodiment.

  Hereinafter, an illumination device according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a front view showing a camera system including a camera 1, an illumination device 2, and a bracket 3 according to the embodiment. A screw hole (not shown) is provided at the bottom of the lighting device 2, and the lighting device 2 can be attached to and detached from the bracket 3 with a screw 3b. The bracket 3 can be attached to and detached from the tripod screw hole of the camera 1 by a tripod hole screw 3a. The illumination device 2 can construct a camera system integrated with the camera 1 via the bracket 3 and screws 3a and 3b.

  FIG. 2 is a perspective view of the lighting device according to the first embodiment as viewed from the front, and FIG. 3 is a diagram illustrating an internal structure of the lighting device according to the embodiment as viewed from the back side. The illuminating device 2 has an illumination light exit window 4 (Fresnel lens) on the front surface, a target light 6 on the upper portion of the illumination light exit window 4, a target light operation member 8 on the back surface, and a target light operation member. 8 has a power switch 10 at the bottom. A light source (not shown) that emits illumination light from the illumination light exit window 4 is provided inside the illumination light exit window 4 of the illumination device 2. Here, as the light source, a light source (for example, an LED, a light bulb, or an electric lamp) capable of emitting continuous illumination light is used. The target light 6 is a parallel light source that emits parallel light with excellent directivity (for example, a laser light source that emits laser light).

  In the illumination device 2, when the power switch 10 is pressed (turned on), the light source and the target light 6 are turned on. In this case, if the target light operation mechanism 12 (to be described later) is not operated by the photographer (user), the target light emitted (emitted) from the target light 6 is illuminated by an illumination range 14 ( Illuminate the approximate center of FIG. When the power switch 10 is pressed again (off operation), the light source and the target light are turned off. In the present embodiment, both the light source and the target light are turned on / off by the operation of the power switch 10, but the power switch for the light source and the target light may be provided separately. good.

  The illuminating device 2 includes a target light operating mechanism 12 for moving the target light 6 up and down and left and right as indicated by broken line arrows in FIG. 3 to change the irradiation position of the target light within the illumination range 14. 4 and 5, the target light operation mechanism 12 includes a shaft portion 12a that fixes the target light operation mechanism 12 at a predetermined position in the illumination device 2, an LED lever 12b that is provided with a target light 6 at the tip, and An operation member 8 provided at the front end is configured by an operation lever 12 c that protrudes from the back surface of the illumination device 2 and moves the position of the target light 6. In the target light operation mechanism 12, an LED lever 12b and an operation lever 12c are connected to a central portion of a shaft portion 12a so as to be movable up and down and left and right. As shown by solid line arrows in FIG. , The target light 6 moves up and down and left and right as indicated by broken arrows, and the irradiation position of the target light irradiated from the target light 6 can be changed. In the present embodiment, when the photographer releases the operation on the operation member 8, the operation member 8 returns to the original position (center position) with an elastic force, and the target light 6 is also elastically moved to the center position. A spring (not shown) is urged to the target light operation mechanism 12 so as to return by force.

  Here, FIG. 6 shows the illumination range 14 by the illumination light emitted from the illumination device 2, and the irradiation position of the target light emitted from the target light 6 (shown by a black circle in FIG. 6) is the illumination range 14. It can be changed vertically and horizontally. For example, when the operation member 8 shown in FIG. 3 is moved to the left, the LED lever 12b is moved to the right, and the irradiation position of the target light of the target light 6 has 100% illuminance that is the central portion of the illumination range 14. From the position, the position can be sequentially changed in the right direction to a position having an illuminance of 50% and a position having an illuminance of 25%.

  Here, “100%, (50%, 25%) illuminance” indicates the illuminance (degree of brightness) of the illumination light emitted by the illumination device 2. Assuming that the illuminance of the substantially central region of the illumination range 14 is 100%, the illuminance of the end regions in the upper, lower, left and right sides of the illumination range 14 is about ¼ (25%) of the illuminance of the central region. In addition, the illuminance of the intermediate area in the illumination range 14 is about half (50%) of the illuminance of the central area.

  Similarly, by moving the operation member 8 to the right, the irradiation position of the target light by the target light 6 can be sequentially changed to the left in the illumination range 14. Further, by moving the operation member 8 upward, the irradiation position of the target light by the target light 6 can be changed sequentially downward in the illumination range 14, and by moving the operation member 8 downward, the target light The irradiation position of the target light according to 6 can be sequentially changed upward in the illumination range 14. In this embodiment, the target light 6 is moved up, down, left, and right. However, the irradiation position of the target light by the target light 6 is also in the diagonal direction within the illumination range 14 (that is, in the up, down, left, and right diagonal directions). ) It may be configured to be movable.

  According to the illuminating device 2 according to this embodiment, the irradiation position of the target light from the target light 6 is moved to the position of the desired illuminance within the illumination range 14, and then the illuminating device so that the target light 6 hits the main subject. The main subject can be illuminated with a desired illuminance by changing the irradiation direction of the second illumination light. In addition, when illuminating the main subject with multi-lamp illumination, the illuminance of each illumination device can be numerically determined based on the maximum illuminance, so effective multi-lamp illumination is performed without depending on the photographer's feeling. be able to.

  For example, when the photographer wants to illuminate the subject with the illumination light of “25% illuminance” illustrated in FIG. 6, the photographer moves the operation member 8 to the left to target from the target light 6. Light is irradiated to the position of the black circle of “25%” in FIG. Thereafter, the photographer maintains the operation state (the operation state of the operation member 8), and this time, the user moves the entire illumination device 2 so that the target light is irradiated to the desired subject ( (Moving in the vertical direction, moving in the horizontal direction, or moving in the rotation direction). When the target light is irradiated on the desired subject, the photographer releases the operation on the operation member 8. By releasing the operation of the operation member 8, the target light is deviated from the desired subject, and only the illumination light having the desired intensity is irradiated to the desired subject. In this way, the photographer can irradiate the subject with illumination light having a desired intensity (in this case, illumination light with an illuminance of 25%). By performing a photographing operation using the camera 1 in this illumination state, the photographer can obtain an image photographed under illumination light having a desired intensity (illuminance).

  Next, an illumination device according to a second embodiment of the present invention will be described with reference to the drawings. FIG. 7 is a perspective view of the illumination device according to the second embodiment as viewed from the front, and FIG. 8 is a diagram illustrating an internal structure of the illumination device according to the embodiment as viewed from the back side.

  The illuminating device 2 has a target light 20 having an illumination light exit window 4 on the front surface and a plurality of light sources on the upper portion of the illumination light exit window 4, and a plurality of target lights corresponding to each of the plurality of light sources on the back surface. The power switch 10 is provided below the target light operation switch 22 as well as the operation switch 22. Here, the plurality of light sources included in the target light 20 are arranged in a cross shape on the substrate, and irradiate each position on the vertical line and the horizontal line passing through the approximate center of the illumination range 14 of the illumination device 2. Therefore, when irradiating a desired position in the illumination range 14 with the target light from the target light 20, the operation switch 22 provided corresponding to the light source that irradiates the desired position is operated to operate the target light. Irradiate.

  In each embodiment described above, the illuminance of the irradiation light of the target light 6 or 20 may be changed according to the illuminance of the illumination light of the illumination device 2. That is, when the illumination device 2 has low illumination intensity, the illumination light of the target light 6 or 20 is reduced. Thereby, reduction of the power consumption in the illuminating device 2 can be aimed at.

  In the above-described embodiment, the color of the target light of the illumination device 2 may be changed based on the irradiation position of the target light. For example, when 100% of the illumination light is irradiated with the target light at a position of 100%, the target light is irradiated with red, and when 50% of the position is irradiated with the target light, green light is emitted. When irradiation is performed with target light and a position of 25% is irradiated with target light, irradiation is performed with blue target light.

  In the first embodiment described above, the operation member 8 is given a click feeling so that the position of 100%, the position of 50%, the position of 25%, etc. with respect to the maximum amount of illumination light can be clearly seen. Anyway.

  In the first embodiment described above, the LED lever 12b is moved by the photographer directly operating the operation member 8 connected to the target light 6, but the LED lever 12b is moved by a motor or the like. It may be moved.

  In the second embodiment described above, the plurality of light sources of the target light 20 are arranged in a cross shape. However, the plurality of light sources are arranged on the surface so that each of the illumination areas 14 can be irradiated. You may make it arrange | position and provide the switch for lighting each light source.

  Further, in the above-described embodiment, by adding a voice recognition function, the lighting device 2 may be instructed to be turned on / off by voice.

  Furthermore, in the above-described embodiment, an acceleration sensor may be provided, and the illumination device 2 may be turned on and off by detecting acceleration acting on the illumination device 2. For example, the lighting device 2 may be turned on when it is shaken up (or down or up and down) once and turned off when it is shaken in the same manner.

  In the above-described embodiment, the lighting device 2 may be turned on / off by detecting a tap operation applied to the lighting device 2. For example, the lighting device 2 may be turned on when tapped once and turned off when tapped again.

DESCRIPTION OF SYMBOLS 2 ... Illuminating device, 4 ... Illumination light emission window, 6 ... Target light, 8 ... Target light operation member, 10 ... Power switch, 12 ... Target light operation mechanism, 14 ... Illumination range, 20 ... Target light, 22 ... Operation switch

Claims (5)

A first light source that emits illumination light;
A second light source that irradiates target light within an illumination range of the illumination light;
A changing unit that changes the direction of the second light source to change the irradiation position of the target light within the illumination range;
A lighting device comprising:   The lighting device according to claim 1, wherein the changing unit is capable of changing the irradiation position of the target light at least vertically and horizontally within the illumination range. A first light source that emits illumination light;
A plurality of light sources that irradiate different positions within an illumination range by the illumination light, and at least one of the plurality of light sources is selected and turned on to irradiate target light within the illumination range; A light source;
A lighting device comprising: The illuminating device according to any one of claims 1 to 3 , wherein the illuminance of the second light source is changed according to the brightness of the first light source. The second light source, the lighting apparatus according to any one of claim 1 to 4, which is a LED light source.

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