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

Started 2 months ago | Discussions thread
john_name_taken Regular Member • Posts: 167
Re: 100-400 paired with A9/1.4x TE or A7IV in crop mode?

Geekapoo wrote:

john_name_taken wrote:

What you really want is the a1, which you excluded. It gives you usable 600 and 1.4x 840 @ 20.6MP in APSC. Someone mentioned that pairing up an a1 with 70-350 will give you a very capable and lightweight package for 525mm, but it's hard to justify when I can get a R4 in very good used condition for less than 2/5 of the price.

Don't bother with 2xTE.

Yea, the A1 or the Canon R5 (as suggested earlier) would be the best way to go given my issue with weight. Interesting comment about the 2XTE..my gut feeling is to steer clear of it as well, otherwise I'd more seriously consider the A9/100-400/2xTE.

I prefer dawn and dusk for the lighting, and 2-stop is a lot. I used 2xTE @ f/8, and image sharpness was noticeable less even in good light. Not sure how useful it is @ f/11.

The A7RIV does seem like my best option given the particulars...just need now to reduce my concerns about high ISO noise, though I think at most I'll go 6400 but in general, try to keep the camera at 3200 max ISO with the camera in crop mode.

I don't think you need to switch ISO between full and crop; same sensor, same density. Also, you can look into DeNoise AI to clean up noise in post. People swore by it, but I had mixed results, artifacts at or around the edges (subject and background/foreground) sometimes. YMMV.

 john_name_taken's gear list:john_name_taken's gear list
Panasonic LX100 II Sony RX100 VII Sony a9 Sony a7R III Fujifilm X-T3 +15 more
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