Timeline for How does one get manual focus right with a fast-aperture lens?
Current License: CC BY-SA 2.5
3 events
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| Mar 3, 2016 at 10:54 | comment | added | Michael C | An improperly adjusted dioptric knob can never make the image in the viewfinder look more focused than the image projected on the viewscreen, only more blurry. If the view in the viewfinder is sharper than the image captured by the sensor (as is stated in the question), it is due to the optical image path (via the mirror) being slightly longer or shorter from the lens to the viewscreen (when the mirror is down during focusing) than the optical image path from the lens to the sensor (when the mirror is up during image capture). | |
| Aug 13, 2010 at 15:52 | comment | added | Matt Bishop | +1 for mentioning the dioptric adjustment. I'd been wondering why I was having trouble focusing manually, and now I feel like an idiot... :-) | |
| Aug 10, 2010 at 12:37 | history | answered | Hamish Downer | CC BY-SA 2.5 |