Today in our field of view will be Sigma 85mm F1.4 EX DG HSM telephoto objective lens. It has initial focus distance for lens of this type and big aperture, which allows to use it for land scenes shooting and for shooting of big astronomical objects. Its maximal and minimal appertures are : f/1.4 and f/16, accordingly, with 9 diaphragm blades; it is designed for full-frame sensors. Lens has 28.6 degrees field of view and 0.85 m minimal focusing distance with support of automatic focusing with use of Hyper Sonic Motor ( HSM ). Lens is produced in variants for Sigma, Nikon, Canon, Sony/Minolta and Pentax mounts. It supports internal focusing and has no image stabilization. 11 lens elements in 9 groups are built into it, all of them are coated with protective and anti-reflective Super Multi-Layer Coating. There is ability to attach to Sigma 85mm F1.4 EX DG HSM optical filters with 77 mm diameter; its sizes are : 86.4 x 87.6 mm, and weight is : 725 g. Package contains : Sigma 85mm F1.4 EX DG HSM objective lens itself, frontal and rear caps, case, user’s manual and 1 year warranty card. All in all : this is a good objective lens, which has interesting characteristics, but its price is quite big : 969 USD at the middle of Autumn of 2015 year ( for comparison : there is ability to buy new Nikon D3200 camera for 350 – 400 USD ). Because of this it is more appropriate for photographers, which need its particular characteristics; for photographers, which just need telephoto objective lens it is better to look at models, that are priced at lower level.