Leica R4, R5, R6, R7 were 35mm SLR cameras manufactured by Leica between 1980 and 1996.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Leica R4, R5, R6, R7 were 35mm SLR cameras manufactured by Leica between 1980 and 1996. ### Response: .