I was going through my camera bag and in the bottom of the back pocket, came across my B&W NL4 Close-Up lens. Years ago, these were quite popular with SLR and DSLR users, but appear to have fallen out of favour somewhat, or at least I don't hear of their use much anymore. Good close-up lenses can actually be very useful, as they provide an alternative to extension tubes (or where extension tubes aren't even available - m4/3s) and their biggest benefit is that you don't lose any lens speed, the max aperture stays the max aperture. To re-acquaint myself with this close-up lens, I took a few shots indoors (as the weather is woeful), just to show what you can do with one of these lenses. I took shots with the 14-35mm f2, as well as the 35-100mm f2 lens, and all were shot under just one LED downlight, letting the camera choose ISO (which came out between 3200 and 6400) and all the 35-100mm shots were with a tripod. I simply converted these from RAW to JPG, using 'Instant JPG from RAW'. 14-35mm at 14mm: 14-35mm at 35mm: 35-100mm at 42mm: 35-100mm at 71mm: 35-100mm at 95mm: And to complete the picture, 35-100mm with EX-25 at 95mm: So all in all, a close-up lens isn't that shabby and can be a very useful bit of kit for opportunity macro work.