. . . "Just a thought here, as your wondering about some of these lenses, such as the EL Omegar, and such..., they can be used with cameras, with certain adaptons\",, but in general they are not a lens you bolt onto you cmaera...these are usuallyEXTREMELY HIGHLY MACRO, enlaging lenses from days gon by..they we used in dark rooms to make negatives into picturesThere magnification abillity is very good, as" .