【Optical Waist Level Viewfinder】The 28mm (35/50 frame) Optical Waist Level Viewfinder is suitable for different focal length lenses. Its adjustable shoe feet can be moved left and right, making it compatible with a variety of cameras 【Optical Lenses】Features high-quality optical glass with excellent light transmittance and multiple coatings, delivering a bright, clear image for precise composition 【Durable】Made of full metal body with a delicate and solid texture, paired with a retro sunshade design. Adopting magnetic/snap-on installation, it can effectively block stray light and glare in outdoor strong light environments 【Universal Compatibility】This viewfinder is designed to fit a wide range of digital and film cameras, as long as the camera has a cold/hot shoe mount. Its versatile design ensures that it can be used with many different camera models 【Framing Only】This viewfinder is intended solely for framing purposes and does not participate in focusing or metering. It helps you compose your shots accurately but requires separate steps for focusing and exposure adjustments