Title:
Lens systems, accessories, communication methods, and programs
Document Type and Number:
Japanese Patent JP6360261
Kind Code:
B2
Abstract:
Provided are a lens system, an accessory, a communication method, and a non-transitory recording medium readable by a computer for recording a program capable of accurately specifying an accessory without providing dedicated terminals for an interchangeable lens and the accessory. The lens system is a lens system including an interchangeable lens 100 and an accessory 300, the interchangeable lens includes a lens control unit that performs bidirectional data communication with the accessory necessary for acquisition of at least identification information of the accessory before starting data communication with the camera body, and the accessory includes an accessory control unit to which a power supply terminal and an input and output terminal among a plurality of signal lines are connected, and that replies with identification information of the accessory when the accessory control unit receives a request for acquisition of the identification information of the accessory from the interchangeable lens.
Inventors:
Ban Takeshi
Junji Hayashi
Sugawara Kazufumi
Junji Hayashi
Sugawara Kazufumi
Application Number:
JP2017546462A
Publication Date:
July 25, 2018
Filing Date:
September 26, 2016
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G03B17/14; G03B17/12; G03B17/56; H04N5/225
Domestic Patent References:
| JP7234432A | ||||
| JP2006171392A | ||||
| JP2010261984A | ||||
| JP201237692A |
Attorney, Agent or Firm:
Kenzo Matsuura
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