Sony to announce FE 16mm f/1.8 and FE 400-800mm f/6.3-8 in February
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The estimated weight for the 400-800 was about 2.5kg. Another lb would bring it up to 3kg. My 200-800 at close to 2kg is my limit for a walk-around lens, and I prefer to carry my 100-500. I feel that a 3kg zoom won't have much mass market appeal, and that will put up the price. To put in perspective, a 400-1000mm would have a larger front element than the RF 100-300mm f/2.8, which costs 5 figures.
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Petapixel has a “review” of the 400-800mm with a photos and a comparison with the Sony 200-600mm (which has shortcomings which the new lens addresses 
). The 400-800mm images get softer beyond 600mm.
See: https://petapixel.com/2025/02/26/sony-400-800mm-f-6-3-8-g-review-a-wildlife-photography-champion/
). The 400-800mm images get softer beyond 600mm.See: https://petapixel.com/2025/02/26/sony-400-800mm-f-6-3-8-g-review-a-wildlife-photography-champion/
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I was looking for a comparison of the sharpness of the RF 200-800mm vs Sony 400-800mm at 800mm and came across this in a short youtube by Tony N. He describes it as being a close tie, but considering that the Sony is on an A1 that has more Mpx than the R5 and doesn't have an AA-filter, the 200-800mm is probably sharper. Here the screenshot from:
www.youtube.com
with the Canon on the left and Sony on the right.
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with the Canon on the left and Sony on the right.
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