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Olympus OM 28mm
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PostPosted: Mon Oct 15, 2018 2:31 pm    Post subject: Olympus OM 28mm Reply with quote

Apart from the speed do the Olympus OM 28mm f2.8 and 3.5 perform the same?


PostPosted: Mon Oct 15, 2018 3:03 pm    Post subject: Reply with quote

Here is the information for them:
http://www.mir.com.my/rb/photography/hardwares/classics/olympusom1n2/shared/zuiko/htmls/28mm1.htm

Looked my OM28 up and to my Surprise it is an F2.0, so i can not add anything to he above.

My 24 is a 2.8 and my 21 is a 3.5, So I guess I only got the 2.0 because it was 103UKP! the other two cost more!


PostPosted: Mon Oct 15, 2018 3:19 pm    Post subject: Reply with quote

I doubt it, They have a distinctly different optical design:

2.8

3.5


source: http://allphotolenses.com


PostPosted: Mon Oct 15, 2018 3:45 pm    Post subject: Reply with quote

D1N0 wrote:
I doubt it, They have a distinctly different optical design:



In that case, which performs better for landscape use on FF?


PostPosted: Mon Oct 15, 2018 4:51 pm    Post subject: Reply with quote

I don't know for Olympus but for Pentax the 3.5 models are the better performers. According to this review it doesn't matter http://slrlensreview.com/web/reviews/olympus/olympus-wide-angle/388-olympus-om-zuiko-28mm-f35-lens-review


PostPosted: Mon Oct 15, 2018 5:54 pm    Post subject: Reply with quote

D1N0 wrote:
I don't know for Olympus but for Pentax the 3.5 models are the better performers. According to this review it doesn't matter http://slrlensrev iew.com/web/reviews/olympus/olympus-wide-angle/388-olympus-om-zuiko-28mm-f35-lens-review


Thank you!


PostPosted: Mon Oct 15, 2018 7:18 pm    Post subject: Reply with quote

The Oly 28/2.8 was one of the 1st 2 lenses that I bought when I 1st discovered that older lense could be used on a modern DSLR.

The 2.8 is an ok lens and one of only a few that I've ever sold. The 3.5 is probably the better lens.


PostPosted: Tue Oct 16, 2018 6:34 am    Post subject: Reply with quote

D1N0 wrote:
I doubt it, They have a distinctly different optical design:

3.5


source: http://allphotolenses.com


that is a strange flat glass on 3.5, first I tried to remove it when I thought it was some sort of filter Very Happy


PostPosted: Tue Oct 16, 2018 7:02 am    Post subject: Reply with quote

The f/3,5 version has more glass. I heard that the f/2,8 version performs quite similarly from f/3,5 and above. If it's right, I may try.

I only have the f/3,5 and it is an excellent lens. Sharp from edge to edge even wide open on 24mpx full frame. I find it more reliable than the 24mm f/2,8 I also own. Quite surprising for the price !

Don't believe the famous Pentax K 28mm f/3,5 can be significantly sharper, it may have different colors and probably better micro contrast, but the OM is unbeatable for the money. If the f/3,5 was f/2,8, it would be one of my favorite lenses.


PostPosted: Mon Oct 22, 2018 3:32 pm    Post subject: Reply with quote

MMouse wrote:
The f/3,5 version has more glass. I heard that the f/2,8 version performs quite similarly from f/3,5 and above. If it's right, I may try.

I only have the f/3,5 and it is an excellent lens. Sharp from edge to edge even wide open on 24mpx full frame. I find it more reliable than the 24mm f/2,8 I also own. Quite surprising for the price !

Don't believe the famous Pentax K 28mm f/3,5 can be significantly sharper, it may have different colors and probably better micro contrast, but the OM is unbeatable for the money. If the f/3,5 was f/2,8, it would be one of my favorite lenses.



See here:- http://forum.mflenses.com/viewtopic,p,1518029.html#1518029