100-400 paired with A9/1.4x TE or A7IV in crop mode?

Started 3 months ago | Discussions thread
dcstep Senior Member • Posts: 1,254
Re: 100-400 paired with A9/1.4x TE or A7IV in crop mode?

dcstep wrote:

Pete_vB wrote:

Given that I have these two setups in front of me I just went outside to take a couple shots for comparison. Handheld, 1/2000 shutter auto ISO in both cases. Lightroom default “auto” from raw, A7R4 in crop mode vs A9 w 100-400 + 1.4 shown full frame.

Wow! Way more CA with the RIV. I don't understand why, but the a9 image is clearly superior.

There may be a fractional exposure difference, with the a9 a fraction of a stop lower. If I look at the edges, the RIV has CA, but looking at the bird's body, the a9 has no details in the black body feathers. No two bodies are likely to have the exact same EV.

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