You aren't signed in     Sign In    Help

Help / The Help Forum

Current Discussion

'Flickr is slow for me'
Latest: 2 minutes ago
vi.sualize.us is systematically hotlinking to flickr photos to make content for their site.
Latest: 3 minutes ago
Need assistance: Photos not showing up
Latest: 4 minutes ago
Unable to upload
Latest: 11 minutes ago
How can my family/friends post pictures to my account?
Latest: 12 minutes ago
allowing downloads for specific, copyrighted photos?
Latest: 23 minutes ago
Bug loading photosets in Organizr
Latest: 36 minutes ago
How to move pictures around within a Group
Latest: 43 minutes ago
[Closed] Flickr kidnapped my photos. How to recover? (Free account limits)
Latest: 44 minutes ago
Added picture to group, should I expect to be invited to join.
Latest: 44 minutes ago
Temporary Change of Screen Name
Latest: 49 minutes ago
Feed with only pictures whose originals are available
Latest: 50 minutes ago
More...
spacer image

EXIF data focal length

view profile

Eyal Soudry says:

Hi,
i wonder whether the focal length that is presented in the EXIF data of the photos already calculated the crop factor or should i multiply it in the crop factor in the case of a crop camera.

thanks in advance...
Posted at 7:18AM, 20 July 2008 PDT ( permalink )

view photos

zyrcster  Pro User  says:

The EXIF data merely reports whatever the camera embedded -- Flickr doesn't change or add EXIF data. So, you might search for a group about your camera and ask there how it reports things.
Posted 4 weeks ago. ( permalink )

view photos

Silly Luis  Pro User  says:

That focal lenght is the *real* focal length but you can find the other (with crop factor applied) in the "35mm. equivalent" Exif field
Posted 4 weeks ago. ( permalink )

view photos

Eyal Soudry says:

where can i find this "35mm equivalent" data? i'm looking on the more properties page and do not see it...
Posted 2 weeks ago. ( permalink )

view photos

jade_c  Pro User  says:

It reads


Focal Length In 35mm Film: 72

for a
Focal Length: 48 mm
for example.

The latter is on top of the exif page, while the other is nearer to the bottom.
Posted 2 weeks ago. ( permalink )

view photos

David Cowie  Pro User  says:

If I re-size a picture before uploading, some of the EXIF data is stripped. "Focal Length In 35mm Film:" is one of them.
[using jUploadr for resize-and-upload].
Posted 2 weeks ago. ( permalink )

Subscribe to a feed of stuff on this page... Feed – Subscribe to help discussion threads
Add to My Yahoo!