Archived posting to the Leica Users Group, 2008/06/20
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Chris, In practical use the vignetting may not be objectionable. But It's a big problem for my Camera Shop owner. He's had 4 or 5 of these lenses returned by D3 users as unacceptable because of it. I use mine for landscapes and to me it is a problem. Len On Jun 20, 2008, at 10:38 AM, Chris Williams wrote: > Pick up a PDN magazine, and you'll see ad stock,wedding images, and > commerical shots all have one thing in common. They all have > darkened corners now. I don't think the vignette is really an issue. > > Chris > > ----- Original Message ----- From: "Leonard Taupier" > <len-1@comcast.net> > To: "Leica Users Group" <lug@leica-users.org> > Sent: Friday, June 20, 2008 8:35 AM > Subject: Re: [Leica] "Budget" full frame Nikon SLR > > >> Frank, >> >> In the case of the 10.5mm fisheye, the image you get on a full >> frame digital camera or a film camera looks kinda like a clearly >> defined keyhole in the middle of the frame. Other DX lenses like >> the 18-200 zoom do not fill the frame at the wide end. The 1.5x >> crop with these two lenses is the only practical solution if you >> have a large number of photos to process. You are not losing >> information with the crop because there is none to lose. >> >> The vignetting I mentioned is on full frame, older lenses, like >> the AFS 17-35mm when used on the D3. The vignetting on this lens >> is unacceptable for a professional lens which this is. To a >> lesser degree the AFS VR 70-200 lens has the same problem. >> >> Len >> >> >> On Jun 20, 2008, at 12:12 AM, Frank Filippone wrote: >> >>> I guess that while your explanation makes perfect sense, in >>> practice: >>> if I have the choice of either having a bigger file with more >>> data in it to >>> decide later, on my computer screen what I want to crop, >>> why would I want to initially crop in the camera and maybe miss >>> something in >>> the heat of shooting? >>> >>> Vignetting in easily cropped out later...... which is the issue >>> with DX >>> lenses used on an FX body ( if I have the nomenclature correct...) >>> >>> I am still missing something..... >>> >>> Frank Filippone >>> red735i@earthlink.net >>> >>> >>> >>> The reason to publish FX and DX specs is the full frame Nikons can >>> use the Nikon Dx lenses that were released before the full frame >>> cameras came out. The D3 can automatically switch to DX mode when >>> these lenses are used. Nikon hardly ever obsoletes their lenses. As >>> Chris mentioned he can use his 10.5 MP fisheye on his D3 even though >>> it was designed for the 1.5 X crop bodies. >>> >>> Len >>> >>> >>> On Jun 19, 2008, at 6:21 PM, Frank Filippone wrote: >>> >>>> Question: >>>> >>>> There appears to be a trend to publish the image (pixel) sizes of >>>> the image >>>> both for FX and DX formats.... >>>> >>>> Why would any rational person use a DX ( smaller) format if he >>>> had the >>>> larger format available to him? ( It is called cropping..... in >>>> old >>>> fashioned speak) >>> >>> >>> >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information