105°Wide Angle of View👉 The best feature of the APS-C 10mm F2 ASPH lens is ultra-wide angle design. The full-frame equivalent focal length of 1mm allows it to capture more objects in a scene, whether it is stunning landscape or bustling cities. Nearly 0 Distortion👉 Barrel or pincushion distortions are less distorted when shooting wide scenes with the APS-C 10mm F2 ASPH. Ultra-wide-angle distortions are effectively controlled due to good optical structure design and precise manufacturing process of 10mm. Therefore, shooting with he APS-C 10mm F2 ASPH has a more realistic and stunning visual effect, and is ideal for landscape photography, architectural photography, indoor phoography, ect. Amazing Portrait Photography👉 Compared to telephoto large aperture lenses, wide angle lens does a good job of including enough of the backgroud to give the portrait context. What's more, the perspective stretching feature of wide-angle lens can be used to create gorgeous and atractive portraits. Ideal for Starry Sky👉 Ultra wide--Capture the milkyway. Large aperture--Lower ISO and better imag quality. Less coma--Rounder star shape. Professional With filter holder👉 The lens includes a 72mm circular filter holder and lens cap, which is compatible with ND filter, graduated ND filter, and circular polarizer filter of corresponding sizes, making outdoor shooting more prefessional. TTA-10-2 M43