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jtra wrote:
I don't think it renders as 58g.
The 58g has rendering with:
A. undercorrected SA which makes background bokeh smooth and foreground bokeh edgy (details on this effect). This effect is most visible just around in-focus plane assuming bokeh is big enough to see it. It is least visible when you focus very close and inspect highlights near infinity distance.
B. optical vignetting causing "cat's eye" or "lemon shape" bokeh outside of center when used wide open (swirling effect).
The 105/1.4 has B, it is visible here.
But I don't see A. The bokeh is big, but it seems smoother in foreground rather than in background like in this sample (f/1.4).
Or in this full resolution sample where out of focus earring (left side of picture) has quite strong edges.
There is one caveat though: high level of sharpening or clarity can make neutral bokeh into bokeh with pronounced edges. So more pictures are needed for better evaluation. Also amount of SA correction is not constant for all focus distances and it can also be uneven in a picture by distance from center.
Amount of LoCA is reasonably low in this full resolution sample.
Still it is very interesting lens.
There are more full resolution samples available here.
...Show more →
Quote nikon rumours
→ The new 105mm f/1.4 lens is designed with the same "three-dimensional high fidelity" concept as the 58mm f/1.4 lens:
The "three-dimensional high fidelity" NIKKOR lens design concept enables rending of the large and beautiful bokeh with gradual transition from the focus position increases and a natural sense of depth.
Chromatic aberration, ghosting and flare is minimized by three Extra-Low Dispersion (ED) elements. Nano Crystal Coat (N) outperforms conventional antireflection coatings over a broad wavelength range for maximum contrast. Like the AF-S NIKKOR 58mm f/1.4G, point light sources are reproduced naturally without sagittal coma flare and minimized astigmatism, even at the frame edges. An electromagnetic diaphragm (E) maintains consistent exposure during high-speed capture, while fluorine coat ensures a lifetime of brilliant performances.
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