Used manual focus 28mm lens
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- This topic has 9 replies, 4 voices, and was last updated Jan 1, 2009 at 2:07 pm by
Neal Osborn.
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Dec 29, 2008 at 2:43 pm #7868
Neal Osborn
MemberI need a little help with a new lens – Does anyone have example/stock photos with a 28mm lens?
I got a used Cosina 28mm f2.8 prime lens for next to nothing – bargain basement (you know, under the glass, in the back, covered in dust). Lots of scuff marks and obvious previous use. It is probably a late 70’s build and manual focus only. However, the lens is recognized as non-CPU on my D300 so at least the camera will set exposure in aperture mode and manual mode is no problem. It is about 1 full stop off but I can compensate fine on exposure. At 28mm the focal lenght is about 45mm on my sensor and I love the angle of view (see comment below)* it gives. So far it appears very soft but that is likely because I was using it manual focus on people and/or handheld.
Here is my question . . .
What kinds of pictures would you take with this 28mm f2.8 lens? It will likely have to be a staged or planned shot and on a tripod so I can precisely focus. I am thinking about artsy-fartsy fly tying shots or something similar with a shallow depth of field. Maybe an early morning or late evening landscape? ANY examples from your stock photos?
*What is the correct terminology to describe “angle of view” or whatever you call it when discussing lenses on a DSLR cropped sensor vs Fx?
Dec 29, 2008 at 3:17 pm #66057Neal Osborn
MemberHere are two example shots with the 28mm f2.8 Cosina lens
My brother with his new Hummingbird fish finder. I guess you could title this one “Ice Fishing” in Iowa.

Another – my brother (who is an electrician, ha) showing how we don’t always practice safety off-the-job. Kids, don’t try this at home! This is an honest candid shot.
Dec 30, 2008 at 4:49 pm #66058
Ben CochranMember*What is the correct terminology to describe “angle of view” or whatever you call it when discussing lenses on a DSLR cropped sensor vs Fx?
Love the shots Neal, and what a great purchase! Looks like you all had a beautiful white christmas there. Iowa though? Where are all of the corn fields ? 🙂 Guess your brother is also proving that he believes in your MD skill ;), don’t guess he would want to consider using that shot for his company logo 😀
The angle of view, rather picture view angle, is one of the three elements that comprise the “field of view”. I think that is what you were asking about, in relationship to the multiplier of focal length with crop factor.
Dec 31, 2008 at 10:38 pm #66059
David AndersonMemberAm I the only one who noticed he’s not wearing shoes in Iowa in winter ?
www.dsaphoto.com
A picture is thousand words that takes less than a second while a thousand words is a picture that takes a month.
Jan 1, 2009 at 4:15 am #66060
Ben CochranMemberAm I the only one who noticed he’s not wearing shoes in Iowa in winter ? 😮 😀
LOL Nope sir… How-ever, you may be the only one that thought no one else noticed it ;D ;D
Jan 1, 2009 at 6:44 am #66061Neal Osborn
MemberDid you notice the purple hue to his feet? LOL. That is not photoshop! Every since he was a kid my parents have been on him about wearing shoes and socks.
So I have been playing around with the 28mm lens and decided I really like this focal length for a cropped sensor DSLR. It just feels natural. Unfortunately, the lens I got is pretty battle worn and soft.
Jan 1, 2009 at 11:33 am #66062
Mike McKeownMemberFirstly, whats with the first line in the link???
Nikon 28mm f/1.4, blacked-out for national security purposesSecondly, oh my sack, thats a lot of ash for a second hand lens…
Jan 1, 2009 at 1:18 pm #66063Neal Osborn
MemberMike – that is why I got the used 28mm lens (it was only $25), ha. Actually, that is basically why I started this thread. I have always known the Nikon 28mm f1.4 was expensive so I jumped at the chance to get a cheap 28mm to play around with even if it is slower.
Like I said, this focal length is really great on a non-FX DSLR body. It feels like a 50mm would on an FX body.
However, I have decided that even if Nikon comes out with a new 28mm prime f1.4 lens the better money would be spent on a pro-level zoom lens like the 24-70 f2.8. So basically my question re-phrased is how often and why would you shoot at around 28mm but at f <2.8? What would a fast prime 28mm get you that a pro-level zoom wouldn't?
Jan 1, 2009 at 1:47 pm #66064
Mike McKeownMemberNeil, as you know, I am still learning this thing, and thus, please explain what the difference is when you rate a lens with a lower f-stop?
Two lenses, 20 – 100mm, one to an f2.2 and the other to f4.5. Why is the 2.2 better? Under what circumstances do you shoot at 2.2??? Not opening the aperture to get better DoF???
I am also trying to understand this “prime lens” thing???
Jan 1, 2009 at 2:07 pm #66065Neal Osborn
MemberGo here http://www.flickr.com/groups/426823@N23/. Make sure to click “see more” and look at some of the great portrait and street/city shots at night.
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