Asahi 28mm f3.5 Super-Multi-Coated Takumar Filter Type_Colour and that gooey base is

and that gooey base is Triethanolamine

just back from a complete professional service

The Tamrac Expedition 6X is a mid-sized backpack that really looks like it means business: it's covered in pockets and retaining straps

Suitable for a small SLR or mirrorless camera

providing an image equivalent to a 21mm lens

Asahi 28mm f3.5 Super-Multi-Coated Takumar Filter Type_Colour and that gooey base isAsahi 28mm f3. 5 Super Multi Coated Takumar lens in good cosmetic condition, with light paint wear. Clean glass with minor dust, but there are a few light marks in the coating of the front element which will not affect imaging. Good diaphragm, smooth focusing. A classic wide angle lens for M42 mount.