Epson PhotoPC 3000Z Digital Camera "iris" Questions

...sheet: Aperture f2.0, f2.3, f2.8, f4.0, f5.6, f8.0 Automatic & manual Shutter speed Auto iris electronic control shutter and mechanical shutter flash on: 1/30 - 1/750 slowsynch & flash

...When using Aperture Priority Mode, and the Camera detects that you are using too large of an iris for the available maximum shutter speed (1/750), then it will adjust the iris to compensate

...depth of field, keep in mind that the depth of field is determined by the PHYSICAL size of the iris, not the RELATIVE value (which is what the f-stop measures) -- for example, on a 35 mm camera, ...

white line on all photos white vertical line on all photos problem on lense iris . iris is not working .chaing iris

...depth, 1) it depends on your lens focal length 18-70mm or 70-200mm, 2) your f-stop. 2.8 (large iris) or 30 (small iris). Simply put, a smaller iris (>15 fstop) increases the DOF, or makes things ...

Iris failure with AF-S Nikkor 18-135mm lens. The iris parts have separated and are visible looking through the lens from the body end.Db0 works fine with another lens. Hi randywaterer, sorry to hear ...

...i tried to change it, theres nothing happening on it. What should i do? thanks. It is lens problem.Iris cable is cutoff so that iris not synchronizing.After replacing iris cable your problem will be ...

no card. The lcd screen stays black. Any ideas? a penlight shined into zoomed back lens - shows if iris is open ( ccd looks like a small xmas tree scene , deep in center ) : if iris is stuck closed ,

...still see all the info on the screen, any ideas? CCD failures are rare. I would suspect that the iris is stuck. This can occur if dust or dirt gets into the lens assembly or if there is a deposit ...

...movement or defective flex pcb carring the signal to the apparture motor. It sounds like a sticky iris. When a camera requirers more light it opens it's iris to allow more to enter. Whilst inside ...