Sigma Sport 150-600mm f5-6.3 DG for Nikon F brand_iFootage 8 is a classic Tessar

8 is a classic Tessar design lens for M42 mount

but no one's claiming responsibility: the only identification is a model number (M203

The SMC Pentax 300mm f4 lens is a solid

May be suitable for lenses with similar focal lengths and the same front diameter

with an effective image stabilizer and a bit more range than the typical 18-55mm kit lens

Sigma Sport 150-600mm f5-6.3 DG for Nikon F brand_iFootage 8 is a classic TessarThe Sigma Sport 150 600mm f5 6. 3 DG is a large, heavy, quick focusing lens for Nikon F mount cameras. The maximum aperture isn't huge at f5 6. 3, but the lens is sharp throughout its zoom range, and the image stabilizer works very well. A modern supertelephoto zoom lens with great performance, if you don't mind carrying a bit of extra weight (it's about 3kg by itself). Cosmetic condition is decent, with paint and finish wear; glass is clean, with