MedicineMan404 wrote:
Now teach me to read the charts.
Looks like the 60mm is the sharpest ??
No ... the 300/4 PRO is the sharpest lens here.
I am no expert (and someone please correct me if I am wrong) but I believe the lines will tell you the following story:
• The upper set of lines represent the contrast performance of the lens.
• The lower set of lines represent the resolution performance of the lens.
• The numbers 0 to 100% on the vertical scale represents the contrast and resolving power/score of the lens.
• The numbers 0 to 10mm on the horizontal scale shows the performance of the lens from the center to the corners of the lens.
• The lines start at the left (performance at the center) and moves to the right (performance at the corners/edges of the lens).
• Performance is obviously highest in the center (left of chart) and dropping off to the edges/corners (right of the chart) of the lens.
• The higher and the straighter the set of lines are on the chart, the better is the lens performance. Above 90% is considered excellent.
• The closer together the solid and dotted lines are, the better is the out-of-focus rendering or bokeh quality.
How many shutter speeds stops the EM1.2 is behind a full frame sensor? 300mm F4 Same ISO for a same scene...lets say a Nikon D750+300/4 vs EM1.2 +300/4
If you need 1/250 with Nikon, will you need 1/1000 with Oly?
nandadevieast wrote:
How many shutter speeds stops the EM1.2 is behind a full frame sensor? 300mm F4 Same ISO for a same scene...lets say a Nikon D750+300/4 vs EM1.2 +300/4
If you need 1/250 with Nikon, will you need 1/1000 with Oly?
Exposure parameters should not change. See below screenshot of a comparison I did with A7R2 and E–M1.2. I was testing for noise difference and highlight/shadow recovery, but it still should illustrate what you want to see. No adjustments made other than to match WB.
Can't help but notice that the Olympus shot is more color-neutral and the Sony shot has as a yellow cast. And I have to say the Olympus image also did surprisingly well at ISO 3200.
mitesh wrote:
Exposure parameters should not change. See below screenshot of a comparison I did with A7R2 and E–M1.2. I was testing for noise difference and highlight/shadow recovery, but it still should illustrate what you want to see. No adjustments made other than to match WB.
I agree . Although, it was not a rigorous test, as I had not profiled the cameras nor my monitor. I'm sure a more proficient post processor would be able to reduce or eliminate the color cast.
bobbytan wrote:
Can't help but notice that the Olympus shot is more color-neutral and the Sony shot has as a yellow cast. And I have to say the Olympus image also did surprisingly well at ISO 3200.
I have said time and time again that the AWB of the Sony is nowhere near as good or as consistent as the AWB of the Olympus.
mitesh wrote:
I agree . Although, it was not a rigorous test, as I had not profiled the cameras nor my monitor. I'm sure a more proficient post processor would be able to reduce or eliminate the color cast.
mitesh wrote:
i think I will pass on this lens. I'll keep holding out hope for an Oly 100-400 IS PRO. Won't be lightweight (nor will it be inexpensive), but it would be the lens I would use most.
. Although, it was not a rigorous test, as I had not profiled the cameras nor my monitor. I'm sure a more proficient post processor would be able to reduce or eliminate the color cast. 
