Rockstar's new budget-friendly 10mm F8 fisheye and 27mm F2.8 lenses both cost less than $80

Chinese optics manufacturer Rockstar has released a new pair of prime lenses for APS-C camera systems: a 10mm F8 fisheye lens and a 27mm F2.8 lens. 10mm F8 Starting with the wider of the two, the 10mm F8 fisheye lens offers a 16mm full-frame equivalent focal length on most APS-C cameras (20mm on MFT) and is constructed of five elements in four groups, including three extra-low dispersion elements. It has a fixed F8 aperture with pentagonal aperture blades, has a 30cm (12") minimum focusing dista...