JP2021125873A5

JP2021125873A5 -

Info

Publication number: JP2021125873A5
Application number: JP2020189786A
Authority: JP
Filing date: 2020-11-13
Publication date: 2023-11-15

Claims

a setting means capable of setting at least one of the F value and the T value;
acquisition means capable of acquiring information regarding the amount of blur that changes based on the setting value set by the setting means;
When a predetermined lens is connected to the camera, displaying the amount of blur acquired by the acquiring means based on the setting value set by the setting means,
A display control device comprising: control means for controlling the amount of blur not to be displayed when the predetermined lens is not connected to a camera.

2. The display control device according to claim 1 , wherein the acquisition means is capable of acquiring a table showing a correspondence between F value and T value.

3. The display control device according to claim 2 , wherein the table is changed according to a focusing distance.

2. The acquisition means acquires the difference between the F value and the T value at the current set value , or the ratio of the difference to the maximum value of the difference, as information regarding the amount of blur. Display control device.

The predetermined lens has an optical member that modulates light transmittance,
2. The acquisition means acquires information regarding the amount of blur based on a difference in T value between a case where the optical member is absent and a case where the optical member is present, which corresponds to the current F value. Display control device.

The acquisition means is characterized in that the acquisition means acquires the difference between the T values as information regarding the amount of blur, or acquires a ratio of the difference in the T values to a maximum value of the differences between the T values as information regarding the amount of blur. The display control device according to claim 5 .

The predetermined lens has an optical member that modulates light transmittance,
The acquisition means normalizes the light transmittance of the optical member corresponding to the current F value by the maximum value of the light transmittance of the optical member corresponding to the minimum F value of the predetermined lens, and calculates the value of the blur. The display control device according to claim 1, wherein the display control device acquires the information as information related to quantity.

8. The display control device according to claim 1 , wherein the control means displays a numerical value acquired as information regarding the amount of blur as the amount of blur.

8. The display control device according to claim 1 , wherein the control means displays, as the blur amount, an item representing a classification according to a numerical value obtained as information regarding the blur amount.

5. The control means displays the amount of blur until a predetermined time has elapsed after the setting of the aperture value of the lens is changed, and stops displaying the amount of blur after the predetermined time has elapsed. 10. The display control device according to any one of 1 and 7 to 9 .

A claim characterized in that the control means displays the amount of blur until a predetermined time has elapsed after the setting of the focusing distance of the lens is changed, and stops displaying the amount of blur after the predetermined time has elapsed. The display control device according to any one of Items 1 and 7 to 9 .

Claims 1 and 7 to 10, further comprising a recording means for recording information indicating the amount of blur corresponding to the F value at the time of imaging in association with the image data obtained by imaging. The display control device according to any one of the items.

12. The display control device according to claim 1 , wherein the control means displays the amount of blur on a live view screen.

a setting means for setting at least one of the possible setting values of the focusing distance;
an acquisition unit capable of acquiring information regarding the amount of blur that changes based on a setting value that can be set by the setting unit;
When a predetermined lens is connected to the camera, displaying the amount of blur obtained by the obtaining means based on the setting value set by the setting means,
A display control device comprising: control means for controlling the amount of blur not to be displayed when the predetermined lens is not connected to a camera.

15. The display control device according to claim 14 , wherein the acquisition means is capable of acquiring a table indicating information regarding an amount of blur that changes based on a focusing distance.

16. The display control device according to claim 14 , wherein the acquisition means is capable of acquiring a table indicating information regarding an amount of blur that changes based on an aperture value and a focusing distance.

A claim characterized in that the control means displays the amount of blur until a predetermined time has elapsed after the setting of the focusing distance of the lens is changed, and stops displaying the amount of blur after the predetermined time has elapsed. 15. The display control device according to item 14 .

A claim characterized in that the control means displays the amount of blur until a predetermined time has elapsed after the setting of the focusing distance of the lens is changed, and stops displaying the amount of blur after the predetermined time has elapsed. The display control device according to any one of items 14 to 17 .

5. The control means displays the amount of blur until a predetermined time has elapsed after the setting of the aperture value of the lens is changed, and stops displaying the amount of blur after the predetermined time has elapsed. 18. The display control device according to any one of 14 to 17 .

15. From claim 14, further comprising a recording means for recording information indicating the amount of blur corresponding to the aperture value and focusing distance at the time of imaging, in association with the image data obtained by imaging. 20. The display control device according to any one of 19 .

A method for controlling a display control device, comprising a setting means for setting at least one setting value from a settable value of a focusing distance, the method comprising:
an acquisition step in which the acquisition means acquires information regarding the amount of blur that changes based on a set value that can be set by the setting means;
The control means
When a predetermined lens is connected to the camera, displaying the amount of blur obtained in the obtaining step based on the setting value set by the setting means,
A method for controlling a display control device, comprising: controlling the amount of blur not to be displayed when the predetermined lens is not connected to a camera.

A program for causing a computer to function as each means included in the display control device according to any one of claims 1 to 20 .

A computer-readable storage medium storing a program for causing a computer to function as each means included in the display control device according to any one of claims 1 to 20 .