Imaging Apparatus Zoom Position Warning for Teleconverter
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Solution Overview
Problem
When a teleconverter is attached to an interchangeable lens, the optical performance of the imaging apparatus deteriorates due to interference between the lens and the teleconverter, making it difficult for users to determine if the deterioration is caused by the teleconverter.
Innovation Solution
The imaging apparatus includes a processor, memory, camera body with an imaging element and display panel, and an interchangeable lens with a zoom ring and zoom encoder. The apparatus determines if a teleconverter is attached, calculates the zoom position, checks if it's within a limited range where optical performance deteriorates, and changes the display information on the panel accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a teleconverter is attached to the interchangeable lens, then the focal length is extended, but optical performance deteriorates due to interference between the lens and teleconverter
Solution Approach 1:
The system performs preliminary detection of teleconverter attachment status and calculates the zoom position before image capture. It determines in advance whether the zoom position falls within a limited range where optical performance deteriorates, and issues a warning to the user beforehand, allowing them to adjust the zoom position or disable the warning before taking the shot.
Solution Approach 2:
The system provides feedback to the user through display warnings when the zoom position is within the limited range where optical performance deteriorates. The warning display informs users that they are shooting in a range where optical performance may be compromised, enabling them to make informed decisions about adjusting their zoom position or accepting the trade-off for extended focal length.
2Length of moving object
If the zoom position is within the limited range, then the extended focal length is achieved, but image quality deteriorates
Solution Approach 1:
The system continuously monitors the zoom position and provides real-time feedback through the display panel when the zoom position falls within the limited range. This feedback mechanism allows users to see immediately when they are in a range where image quality may deteriorate, enabling them to adjust their zoom position to maintain optimal image quality while still utilizing the extended focal length capability when necessary.
3Adaptability or versatility
If the teleconverter is attached, then the versatility of the imaging apparatus is improved, but it becomes difficult to determine if deterioration is caused by the teleconverter
Solution Approach 1:
The system provides explicit feedback to the user when the zoom position is within the limited range, clearly indicating that optical performance may deteriorate. The warning display message directly informs users that they are shooting in a range where optical performance is compromised, eliminating ambiguity about the cause of any potential image quality issues and helping users understand that the teleconverter attachment is the source of the limitation.
Data Source
AI summary
An imaging apparatus of the present disclosure comprises: a processor; a memory storing instructions to be executed by the processor; a camera body including an imaging element and a display panel; and an interchangeable lens including a lens, a zoom ring that varies position of the lens, and a zoom encoder that detects information on zoom position of the zoom ring; the instructions including: determining whether the teleconverter is attached to the interchangeable lens; calculating the zoom position of the zoom ring; determining whether the zoom position is within a limited range in which optical performance deteriorates if the teleconverter is attached to the interchangeable lens; and changing information displayed on the display panel if the zoom position is within the limited range.