Bob W wrote: >>>> >>>>http://www.matoe.org/gallery2/v/tomatoe/pinhole/IMGP0119K10D >> >>.jpg.html >> >>>>>Pinhole photography with a K10D. I drilled a hole into a Pentax >>> >>>earlier today I made a hole in a body cap and took some >> >>pictures. The >> >>>first in each pair is the scene through a lens. The 2nd is the > > scene > >>>through the pinhole: >>> >>>http://www.web-options.com/Pinhole/ >>> >>>Interestingly the pinhole seems to have a focal length of >> >>about 50mm. >> >>>The f-stop, according to my calculation, is about 128, based on > > the > >>>difference in exposure times at ISO 100. >> >>Making pinholes directly in the bodycap? Better to make a >>bigger hole >>and cover it with some thin metal with the actual pinhole in. The >>smoother you make the hole, the fewer artefacts. > > > I also tried it by removing the body cap and wrapping the camera in > foil. It didn't make much difference. Guess I'm not much good at > hole-smoothing. >
Try using a pin [8-)] but drilling rather than pushing through. Slow..... -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
