190°Ultra Wide-Angle- Brightin Star 7.5mm F2.8 has an extraordinary 190° angle of view, wide range of shooting themes, such as starry sky, buildings, grasslands, beaches, wilderness, exhibition halls. F2.8 Large Aperture- The fisheye lens with an f/2.8 aperture, absorb more light in dimly lit scenes and excellent aberration control make it an ideal choice for starry sky photography. 10 Needle Star Light- This lens adopts a 5-piece aperture design, which can produce dazzling 10 pin star light, making the photo extraordinary. Lightweight & Portable- The volume is about 62mm * 58mm, and the weight is about 260g, reducing the burden of your photography journey. Optical Structure- The lens structure is 11 elements in 9 group, 2 pieces of low dispersion, 3 pieces of high refraction, it can make the picture near the focus point sharp and clear when focusing, while ensuring that the picture outside the focus range is soft. Attention Please- This Brightin Star camera lens is only used for Mirrorless Camera, NOT for SLR Camera, ithout an auto-focus function. To make sure you've set the "release without lens" mode. 【Customer Support】We stand behind Brightin Star 7.5mm F2.8 III Lens— 24-month warranty and friendly 24-hour responsive after-sales service. Brightin Star Fisheye Lens for Mirrorless Cameras, Manual Focus Prime Ultra-Wide Angle APS-C Lens