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Sample gallery - Fujinon XF 150-600mm f/5.6-8 R LM OIS WR
Chief Editor -

Doing all things Canon, MFT, Sony and Fuji
(07-18-2022, 08:49 AM)Klaus Wrote:

Thanks for the images Klaus. They look fairly good to me. However from 450mm on one can see the performance dropping a bit. (which can be expected off course, given the zoom range and the max aperture.) 

Hope you enjoyed your day at the zoo.
I swear that capybara is just getting fatter and fatter. Big Grin
With respect to the performance - the city scenes were shot from a 5km-ish distance - thus these can't be tack sharp due to atmospheric blur/haze.
But yes, the aperture range is so slow towards the long end that diffraction is becoming the limiting factor. At f/8, the effective resolution is somewhat lower than the resolution of the sensor.
This isn't too important today, but with Fujifilm's upcoming 40mp sensor, it will become more obvious.

Basically, it's the same situation as with Canon's RF 600/800mm f/11 - or slow-speed (f/5.6) MTF lenses.

I'm slightly baffled that the manufacturers accept these limitations. On FF, the design ceiling should be at ~f/9, and on APC-C at ~f/6.3.

That all being said - the Fujinon is very lightweight, and this makes it a quite enjoyable experience.
Chief Editor -

Doing all things Canon, MFT, Sony and Fuji

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