If the photo is linked from flickr click it, then when it opens in flickr at the top right it usually says "taken on 1st March with a Canikonpus D1000D Mk9" or whatever, click the camera details and it will pull up the exif data including which camera, lens, exposure settings, software used to edit it etc.
EG
York Daffodils In The Breeze by
mark_mullen, on Flickr
When you go into that data you get the following:
Camera Canon EOS-1Ds Mark II
Exposure 0.033 sec (1/30)
Aperture f/16.0
Focal Length 17 mm
ISO Speed 400
Exposure Bias 0 EV
Flash Off, Did not fire
X-Resolution 300 dpi
Y-Resolution 300 dpi
Image Description Daffodils around York's city walls blow in the breeze of an uncharacteristically warm March evening. This was taken at the corner of Lord Mayor's Walk and Gillygate.
Software Capture One 6 Macintosh
Date and Time (Modified) 2012:03:30 20:43:46
Artist Mark Mullen
Copyright All Rights Reserved
XResolution 300
YResolution 300
Resolution Unit inches
Modify Date 2012:03:30 18:40:29
Exposure Program Manual
Date and Time (Original) 2012:03:30 18:40:29
Date and Time (Digitized) 2012:03:30 18:40:29
Subject Distance 0 m
Metering Mode Multi-segment
Exposure Mode Manual
White Balance Auto
GPS Speed Ref km/h
GPS Speed 0.4444811997
GPS Img Direction Ref True North
GPS Img Direction 311.2700045
Compression JPEG (old-style)
Viewing Conditions Illuminant Type D50
Measurement Observer CIE 1931
Measurement Flare 0.999%
Measurement Illuminant D65
Envelope Record Version 4
Coded Character Set UTF8
Keywords York daffodils plants flowers "bar walls" "city walls" "Lord Mayor's Walk" "Lord Mayors Walk" Gillygate "York St John University" breeze wind spring evening movement battlements defences historic mediaeval "North Yorkshire" "blue skies" England "North Riding" UK English British town "Canon 17-40 F4" "Canon 1Ds Mkii" "Mark Mullen Photography"
Date Created 2012:03:30
Time Created 18:40:29+01:00
By-line Mark Mullen
By-line Title Photographer
City York
Sub-location Lord Mayor's Walk
Province- State North Yorkshire
Country- Primary Location Name UK
Headline York Daffodils In The Breeze
Copyright Notice All Rights Reserved
Caption- Abstract Daffodils around York's city walls blow in the breeze of an uncharacteristically warm March evening. This was taken at the corner of Lord Mayor's Walk and Gillygate.
XMPToolkit XMP Core 4.4.0
Authors Position Photographer
Country UK
State North Yorkshire
City York
Headline York Daffodils In The Breeze
Format image/tiff
Creator Mark Mullen
Subject York
Rights All Rights Reserved
Description Daffodils around York's city walls blow in the breeze of an uncharacteristically warm March evening. This was taken at the corner of Lord Mayor's Walk and Gillygate.
Location Lord Mayor's Walk
Creator City Scarborough
Creator Region North Yorkshire
Creator Postal Code YO11 2AN
Creator Country UK
Creator Work Telephone +447896249768
Creator Work Email
mark@mydomain
Creator Work URL
www.markmullenphotography.co.uk
Creator Tool Adobe Photoshop CS6 (13.0 20120305.m.415 2012/03/05:21:00:00) (Macintosh)
Metadata Date 2012:03:30 20:43:46+01:00
Original Document ID xmp.did:02801174072068118083FB613A468C24
History Action saved
History Instance ID xmp.iid:02801174072068118083FB613A468C24
History When 2012:03:30 20:35:18+01:00
History Software Agent Adobe Photoshop CS6 (13.0 20120305.m.415 2012/03/05:21:00:00) (Macintosh)
History Changed /
Lens 17.0-40.0 mm
Flash Compensation 0
GPS Speed Ref km/h
GPS Speed 0.444481199691256
GPS Longitude 1 deg 4' 55.49" W
GPS Latitude 53 deg 57' 52.65" N
GPS Img Direction Ref True North
GPS Img Direction 311.270004470273