Sony A1 Animal Eye AF with the Sony FE 600mm f/4 GM OSS
Note that these and other pages are as much lens assessments as Sony A1 assessments.
This page looks at animal Eye AF of the Sony A1 with Tigger on the prowl in the spring greenery using the Sony FE 600mm f/4 GM OSS on a tripod, but also with optical image stabilization enabled. Some shots also shown using the 1.4X teleconverter for an 840mm f/5.6 reach, and some are rendered in both color and monochrome.
I make a point of several series which prove-out the animal Eye AF at varying angles.
Sony A1 Animal Eye AF: Tigger on the Prowl, Spring Green (Sony FE 600mm f/4GM)
Because the Sony A1 delivers fabulous monochrome conversions from color, many of the images are also done as black & white renditions.
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Toggle to compare monochrome to color.

Sony A1 + Sony FE 600mm f/4 GM OSS
RAW: LACA corrected, +20 Whites, +10 Clarity, Chroma NR {8}, USM {10,50,0}
[low-res image for bot]

Sony A1 + Sony FE 600mm f/4 GM OSS
RAW: LACA corrected, pull 0.17 stops, +30 Whites, -20 Blacks, +10 Contrast, +10 Dehaze, +10 Clarity, Chroma NR {8}
direct BW conversion
[low-res image for bot]

Sony A1 + Sony FE 600mm f/4 GM OSS
RAW: LACA corrected, +20 Whites, -20 Blacks, +10 Dehaze, +10 Clarity, Chroma NR {8}
[low-res image for bot]

Sony A1 + Sony FE 600mm f/4 GM OSS
RAW: LACA corrected, push 0.17 stops, +20 Whites, -20 Blacks, +10 Dehaze, +10 Clarity, Chroma NR {8}, USM {8,50,0}
[/ACR direct BW -69 green]
[low-res image for bot]
If you can afford it, get the Sony FE 600mm f/4 GM OSS. Impeccable image quality. But the tele zooms are excellent too.

Sony A1 + Sony FE 600mm f/4 GM OSS
RAW: LACA corrected, pull 0.45 stops, +20 Whites, -20 Blacks, +20 Dehaze, +10 Clarity, Chroma NR {8}
[low-res image for bot]