Compact 35mm F1.7 CCTV lens with Cmount plus Cmount to Pentax Q 16mm adapter. This kit lets you use standard Cmount CCTV optics on Pentax Qseries cameras (Q, Q7, Q10, QS1), expanding lens options for lowlight, video, and creative photography. Why you need it Add a fast 35mm F1.7 lens option to smallformat Pentax Q bodies without modifying the camera. F1.7 maximum aperture delivers a bright image for lowlight shooting and greater control over depth of field. The included Cmount 16mm adapter provides straightforward mechanical compatibility so you can mount Cmount lenses reliably on Pentax Q, Q7, Q10, and QS1 cameras. What it does and how it helps Bright aperture: The F1.7 aperture helps maintain usable shutter speeds and lower ISO in dim conditions while allowing selective focus effects. 35mm focal length: On Pentax Q bodies the effective field of view becomes a unique perspective for portraits, street scenes, and telephotostyle framing depending on the camera's crop factor. Adapter included: The Cmount 16mm adapter removes the need for separate purchases or costly custom work to attach Cmount lenses to Pentax Qseries cameras. Key attributes Lens type: 35mm CCTV lens Maximum aperture: F1.7 Mount: Cmount lens Adapter: Cmount to Pentax Q 16mm adapter included Compatibility: Designed for Pentax Q, QS1, Q10, Q7, and Q cameras that accept a 16mmstyle adapter Practical applications Lowlight and event shooting: Use the bright F1.7 aperture on Pentax Q cameras to capture indoor or evening scenes with improved exposure flexibility. Compact video and runandgun shooting: Mount the Cmount lens for handheld video or smallrig setups where a small, bright lens is desirable. Experimentation and lens expansion: Photographers and filmmakers can adapt industrial or surveillance Cmount optics for creative stills and motion work on Pentax Q bodies. What to expect in use Manual operation typical of CCTV lenses: focus and aperture control will be handled directly on the lens (check camera settings for exposure control and metering). Straightforward mechanical fit when used with the included Cmount 16mm adapter on compatible Pentax Q cameras. Package contents 35mm F1.7 CCTV lens (Cmount) Cmount 16mm adapter for Pentax Q, QS1, Q10, Q7, Q cameras This kit is a practical and economical way to expand the lens options for Pentax Qseries cameras by leveraging widely available Cmount optics while retaining a bright aperture for lowlight and creative shooting.