The Asahi Pentax Bellows II is a professional-grade macro photography accessory produced in Japan during the 1960s and 1970s. Designed for the M42 screw mount system, it provides a highly flexible and precise method for achieving extreme close-up magnifications that exceed the capabilities of standard macro lenses. This unit is renowned among enthusiasts for its exceptional build quality, featuring a geared dual-track system that allows for independent movement of the lens and the camera body. It remains an essential tool for film photographers and modern digital users who wish to explore the world of high-magnification photography using vintage Takumar optics. KEY FEATURES Precision geared dual-track rail system for fine focusing Independent movement of front and rear standards Robust all-metal construction with high-quality light-tight bellows Integrated tripod mounting socket on the rail base M42 screw mount compatibility for a wide range of vintage lenses Magnification and exposure factor scales engraved on the rails Includes the original Asahi Pentax factory box TECHNICAL SPECIFICATIONS Item Type: Macro Bellows Unit Mount: M42 Screw Mount (Pentax / Universal) Extension Range: Approximately 38mm to 170mm Construction: Chrome-plated rails with matte black standards Manufacturer: Asahi Optical Co., Ltd., Japan CONDITION REPORT Cosmetic: Excellent vintage condition. The metal surfaces are clean and the "Asahi Pentax" branding remains crisp and sharp. Bellows: The bellows are in very good condition; they appear supple and light-tight upon visual inspection with no visible pinholes or tears. Mechanics: The geared focusing knobs rotate smoothly across the entire range of the rails; all locking screws function correctly. Test status: This accessory has been visually and mechanically checked; it is fully functional for macro photography. WHATS INCLUDED Asahi Pentax Bellows II unit Original Asahi Pentax cardboard box WHY BUY THIS ITEM A beautifully preserved piece of Japanese engineering that offers a precise mechanical solution for high-magnification macro photography. KEYWORDS Asahi Pentax, Bellows II, Macro Photography, M42 Mount, Takumar, Vintage Pentax, Close-up, Japan, Bellows Unit, Analog Photography, SLR Accessory