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#1
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Viewfinders on DSLR's
"dosferatu" wrote:
So DSLR's, I assume, don't have focusing screens? They do have focussing screens. And there are even companies like e.g. CatzEye Optics who make custom replacement focussing screens for special requirement Is that why looking thru the viewfinder everything is in focus? Well, it isn't. Quite the opposite actually. Under 'normal' circumstances the apperture will be wide open, giving you a narrow DOF. Do any DSLR's have Depth of field preview thru the viewfinder You just close the apperture to the working size, typically by pushing a small button near the lens mount. or do you have to go to the lcd display? Wouldn't do you any good because almost no DSLRs have what is called 'live preview'. jue |
#2
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Viewfinders on DSLR's
In article , Jürgen Exner
wrote: or do you have to go to the lcd display? Wouldn't do you any good because almost no DSLRs have what is called 'live preview'. actually quite a few do. nikon, canon, sony and olympus all have at least two models each. pentax's depth of field preview actually takes a photo without writing it to the card and displays it. not exactly live view, but it's not the traditional dof preview either. |
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Viewfinders on DSLR's
In article , nospam says...
pentax's depth of field preview actually takes a photo without writing it to the card and displays it. not exactly live view, but it's not the traditional dof preview either. Are you saying that for instance the Pentax K20D has no live video feed to the LCD? -- Alfred Molon ------------------------------ Olympus 50X0, 8080, E3X0, E4X0, E5X0 and E3 forum at http://tech.groups.yahoo.com/group/MyOlympus/ http://myolympus.org/ photo sharing site |
#4
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Viewfinders on DSLR's
In article , Alfred
Molon wrote: In article , nospam says... pentax's depth of field preview actually takes a photo without writing it to the card and displays it. not exactly live view, but it's not the traditional dof preview either. Are you saying that for instance the Pentax K20D has no live video feed to the LCD? i haven't seen a k20d yet, but i was referring to how depth of field preview is implemented. however, it looks like pentax does both methods now, at least on the k10d. i'm pretty sure the *ist series only did the digital preview. http://www.dpreview.com/reviews/pentaxk10d/page5.asp The K10D also provides a 'digital preview' option so that this lever position instead takes a preview shot which is representative of the final image in depth of field, white balance and exposure. This 'digital preview' image is shown on the LCD monitor but not saved. This feature is also available when selecting white balance. |
#5
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Viewfinders on DSLR's
"nospam" wrote in message ... In article , Jürgen Exner wrote: or do you have to go to the lcd display? Wouldn't do you any good because almost no DSLRs have what is called 'live preview'. actually quite a few do. nikon, canon, sony and olympus all have at least two models each. pentax's depth of field preview actually takes a photo without writing it to the card and displays it. not exactly live view, but it's not the traditional dof preview either. Pentax DSLR's can do optical DOF as discussed in this thread, or digital preview, you choose. |
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