The 75mm f/1.5 Swirly Bokeh Lens (M42) is a unique lens celebrated for its distinctive rendering and artistic effects. Here are its key features:

1. Fast f/1.5 Aperture: Allows for excellent low-light performance and a shallow depth of field, perfect for isolating subjects and creating dramatic bokeh.
2. Swirly Bokeh Effect: Designed to produce a characteristic swirly bokeh, adding an artistic flair to portraits and creative photography.
3. M42 Mount: Compatible with M42 mount cameras, making it versatile for various adapters and systems.
4. Optical Design: Features a carefully crafted optical formula that enhances the swirly bokeh effect while maintaining sharpness on the subject.
5. Manual Focus: The lens is equipped with a smooth manual focus ring, providing precise control over focus, which is ideal for creative compositions.
6. Compact and Lightweight: The relatively small and lightweight design makes it easy to carry and use for extended periods.
7. Metal Construction: Built with a sturdy metal housing, ensuring durability and a premium feel.
8. Close Focusing Distance: Allows for reasonably close focusing, making it versatile for both portraits and detailed shots.
9. Vintage Aesthetic: The lens design and characteristics contribute to a vintage look, appealing to photographers who appreciate classic optics.
10. Unique Character: Known for its artistic rendering, the lens is ideal for those looking to create distinct visual styles in their photography.