Category Archives: Sigma Lens

Disassembling of Sigma 28-105/2.8-4 Aspherical IF DG for Canon (whether there are plastic lenses in a lens?)

The purpose of this article — to learn from what material it is made and how much of plastic there are, and how reliable is it. The lens is inexpensive, but it doesn’t change an essence. On feelings it is shakier, than my…

Review of Sigma 35mm 1:1.4 DG Art HSM

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Thanks to Alexey L. from St. Petersburg for this lens, as well as for tasty coffee and other lenses (next articles are still ahead)! The Sigma device also has a device for a lens hood focus setup (Sigma USB Dock), but I didn’t…