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Canon FD 85mm 1.8 SSC
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PostPosted: Thu Oct 22, 2015 4:30 pm    Post subject: Reply with quote
That Lens Turbo II sure seems to do an outstanding job of producing a wider field of view. Corners appear very good from what I can see.

I've been thinking very seriously about getting an LT II for my Canon FL and FD lenses to be used on my NEX 7. The sharpness exhibited in your photos I find very encouraging. This yellow-green CA you mentioned, though -- I can't find any.

Also, I presume the aperture numbers you've mentioned are indicated, instead of the new aperture values that the focal reducer produces?


PostPosted: Thu Oct 22, 2015 4:48 pm    Post subject: Reply with quote
cooltouch wrote:

Also, I presume the aperture numbers you've mentioned are indicated, instead of the new aperture values that the focal reducer produces?


Тhe FR do not change the apertures, just collects more light. So actually you can shoot at lower ISO. The dept of field is like on a full frame camera almost(it is not completely full frame, there is a little crop).


PostPosted: Thu Oct 22, 2015 5:53 pm    Post subject: Reply with quote
cooltouch wrote:
That Lens Turbo II sure seems to do an outstanding job of producing a wider field of view. Corners appear very good from what I can see.

I've been thinking very seriously about getting an LT II for my Canon FL and FD lenses to be used on my NEX 7. The sharpness exhibited in your photos I find very encouraging. This yellow-green CA you mentioned, though -- I can't find any.

Also, I presume the aperture numbers you've mentioned are indicated, instead of the new aperture values that the focal reducer produces?


You can see that lateral CA more clearly in this photo at the grass below where it transits into back-focus bokeh:

Untitled by Chih-Mao Chen, on Flickr

In fact, I'm not even sure if that is yellow-green CA, it looks quite distracting though, but at the same time the bokeh from the trees far behind looks pretty nice.

The focal reducer doesn't change the physical size of the aperture, but it shortens the focal length (thus a wider view). Since f-number is the ratio between focal length and the diameter of the entrance pupil, the f-number is effectively increased by one-stop. My EXIF data reflects this change, so f/1.8 becomes f/1.2, and f/2.8 becomes f/2, etc.

I absolutely think the LT II is one of the best purchase I've made so far. I mean you get almost FF-like depth of field and light gathering ability for the size of a NEX and 10mm adapter! For most practical purposes, I can't really see noticeable differences between shots on LT II and glass-less adapters. The Metabones is likely sharper wide-open, but that's also a lot more expensive. That said, I don't really like its mounting mechanism on both E and FD mount sides, especially when you are mounting the older breech-style FD lenses.

Here is another I took with the Lens Turbo II + FDn 50/1.4 at f/2 on the lens, and that thing is just so amazingly sharp:
DSC00296 by Chih-Mao Chen, on Flickr


PostPosted: Thu Oct 22, 2015 8:44 pm    Post subject: Reply with quote
Very nice shots. I have just saw the pics and posts on the previous page Smile.
The 85 1.8 is a very nice lens. Those samples with the dogs are quite nice.


About the 85 1.2 asph - it is the best 85 1.2 made by canon or I think it is. Mine is the L version which suffers from some reducing the cost issues Smile like more plastic in the mechanics, only 8 aperture blades(not 9 as in the first model) and maybe some other small and hidden ones. Still I am very happy with it Smile and it makes me smile almost every time I took a shot with it. Now when I saw the samples on film I am thinking about taking one FD film body to shoot one superia 100 with it Smile.


PostPosted: Sat Oct 24, 2015 2:00 am    Post subject: Reply with quote
Yes, guys, I'm familiar with how focal reducers operate. And that's why I wrote aperture values. -- to indicate the distinction. Nonetheless, thanks for the additional information. It all helps.


PostPosted: Wed Jul 19, 2023 8:26 pm    Post subject: straight from raw - shot wide open Reply with quote
i am not sure if i would have to go for the 85mm 1.4 nikkor someone is offering me for an interesting price, but i do like this ssc canon (maybe planar c/y would be my right choice) - highly crop


PostPosted: Fri Jul 21, 2023 4:05 pm    Post subject: Reply with quote


PostPosted: Fri Jul 21, 2023 4:07 pm    Post subject: Reply with quote
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