A lens apparatus is disclosed which allows a reduced overall length when it is put into a barrel body while a high magnification of taken images is realized. The lever comprises a lever having an assembly aperture through the lever and an adjustment screw aperture in communication with the assembly aperture. The alarm is armed by either a passive arming system or an active system such as a key switch or an RF key fob. Also provided are catalysts for producing liquid hydrocarbons from syngas, wherein the catalysts include a base material, a transition metal, and a promoter.