Fixed lens camera apertures ...
The PSP1 has a fixed lens up to 200mm and from what i've read it is made of the same . glass (http://photography-on-the.net/forum/showthread.php?t=97056)
Simple explanation of '20mm Pancake' vs '14-45mm Lens'? - Four
10 posts - 6 authorsThe 20mm is a fixed focal length lens usually called a 'Prime' lens, 20mm is 40mm in 35mm terms, most 35mm film cameras were fitted with a prime lens . You won't get the advantage of the wider aperture, but you will be able to see Contact Us - Four Thirds User Discussion Forum and Galleries - Archive
F-number and light intensity [Archive] - Physics Forums
11 posts - 5 authorsThey say, that when you change the aperture by a factor of sqrt(2), Sorry, I read your first post too fast and didn't see that "f" was focal length, Usually, with a camera, the object distance (from the lens) is much For an object of given size and distance from the lens, the angle \theta is fixed.
Jvc Gz-hd7us? [Text View] - AVS Forum
44 posts - 16 authors - Last post: Apr 26, 2007The SHARE STATION can be used to create HD data discs to archive HD video I don't doubt that this camera will be good, but is it actually But I am not sure if Canon's lens can be fixed at F/1.8-1.9. .. But apparently for you large constant aperture lens = good, so go ahead, buy the JVC.
a new lens, comments welcome [Archive] - Photography Forum
2 posts - 2 authors - Last post: Jan 22, 2008It has a fixed tripod mount, to adjust it to the correct orientation you use Probably at smaller apertures too. Let us know how you get on Good Luck and I sure can't wait to see some of your images, when posted.
AF Micro-Adjustment tool [Archive] - Open Photography Forums
100+ posts - 30 authors - Last post: Dec 22, 2009I wouldn't be surprised if some of the published AF accuracy 'AI tests' are . displacements of the subject (it's best to keep the camera and background fixed), . http://mnclaris.free.fr/forum/14/index.html The big issue here is our DLSRs AF at the lens' max aperture -- and even if that
Does (ccd) Size matter? [Archive] - Digital Camera Resource Page
19 posts - 6 authors - Last post: Aug 15, 2004No one even attempts to make a full-size lens for a dSLR or even a 35mm camera blessed with much larger pixel sites than the "lesser" fixed-lens cameras, So George, are you agreeing that CCD size doesn't matter? sensors have almost unlimited Depht Of Field (DOF) even at large apertures.
what is the secret to getting bokeh with my S3 [Archive
28 posts - 10 authors - Last post: Jul 10, 2007You need to use a longer focal length and large aperture (small f/stop) to .. (though most canon nerds don't have 35 mm cameras either) .. pentax is now releasing (assuming you used those in a fixed lens camera).
Canon 50mm lens [Archive] - Talk Photography
38 posts - 17 authors - Last post: Dec 8, 2005Just ordered my 'nifty fifty' Canon EF Fixed Focal Length Lens with either a very small aperture or a very wide one (can't remember
Legacy Lenses Tamron SP 500mm f8.0 [Archive] - Fourthirdsphoto Forum
11 posts - 5 authors - Last post: Jul 18, 2006I don't have an E-300 or E-500 (both 8 megapixel cameras) so I Since this lens has a fixed f8.0 aperture, I measured its See my second ZD 150mm review (http://www.fourthirdsphoto.com/vbb/showthread.php?t=146) for
Compare Sigma 28-70 to Canon 28-135 [Archive] - Digital
8 posts - 6 authors - Last post: Jan 29, 2004I use the lens as my general purpose lens - which means it's always on the camera. I particularly like the fixed aperture because I don't
Nikon D60 and Sigma lenses [Archive] - SA 4x4 Community Forum
46 posts - 12 authors - Last post: Dec 2, 2009[Archive] Nikon D60 and Sigma lenses Cameras & Photography. Lenses which don't have large aperture sizes (eg F5.6 or higher on a 200mm lens) unfortunately . Nikongear (http://nikongear.com/smf/index.php) or OutdoorPhoto .. In the same way a fixed focal lens makes you think a bit more about
Nikkor 300mm f4 owners? (Andy, that means you) [Archive] - Big Board
Can't see the EXIF on this machine, think it was wideopen. .. The main trade off will be variable aperture and a telescopic design, but it might still Does look more like a large telescope than a humbe camera lens. . the thing is, the lens just works, Ive always liked a fixed lens, they just seem quicker.
Nikon v Canon [Archive] - AusPhotography:: Australia's Premier
Nikon never made a fixed lens rangefinder. Canon and its Canonet G-III QL17 .. modern aspherical leica lenses are razor sharp at all apertures, . Going by this thread http://www.ausphotography.net.au/forum/showthread.php?t=33164
Weird EBAY Lens - 650-2600mm [Archive] - Canon Digital Photography
47 posts - 28 authors - Last post: Jul 30, 2007Here's (http://photography-on-the.net/forum/showthread.php?t=103319) the original thread. Doesn't include tripod or camera tho'. :mrgreen: I was looking at the Buy/Sell forum on Fred Miranda when low and behold I come across the . This lens has an effective fixed aperture of 81.25mmm.
Sony DSC HX1 forum [Archive] - BirdForum
15 posts - 5 authors - Last post: Mar 9The w300 lacks shutter and aperture priority which the hx1 has which would be nice. first made with one distance between EP and Camera lens. Thus far I haven't purchased a fixed eyepiece for the Pentax.
Iso 16000 & 32000? [Archive] - REDUSER.net
15 posts - 8 authors - Last post: Jul 28, 2007http://www.reduser.net/forum/showthread.php?t=3228 unless it is a fixed lens camera or something. If you look at Evan's lens database, you can see that lenses behave vastly differently based on the aperture,
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