Pentax SMC 67 Soft 120mm f/3.5 User Manual

Details the lens's suitability for portraits, flowers, and landscapes, offering soft-focus effects.

Instructions for mounting the lens on the 67 camera and using it with the 645 adapter.

Recommends the RH-RC77mm rubber lens hood to prevent flare and improve image quality.

Explains how rear converters enhance soft-focus effects and their compatibility with 645 cameras.

Details the aperture ring's function in controlling soft-focus degree from f/3.5 to f/5.6.

Explains two focusing methods: using compensation indexes and focusing at f/11.

Recommends fine-grained film (ISO 50-100) for soft-focus photos due to increased grain visibility.

Emphasizes avoiding overexposure to prevent excessive flare and maintain image clarity.

Suggests soft lighting to achieve beautiful highlight flare without high contrast.

Recommends the optional hood to control unwanted flare, ensuring image clarity.

Provides close-up photography data for auto extension tubes, including magnification and exposure factors.

Details close-up photography with helicoid extension tubes, listing magnification and distance information.

Instructions for cleaning dust, dirt, and smudges from the lens using appropriate materials.

Information on warranty periods, repair procedures, and customer service contacts.