Sony 70-200 E and A mount lenses

[daws901]

Hi Guys,

I have been looking at getting the Sony E mount 70-200 F2.8 GM OSS lens: https://www.amazon.com/Sony-70-200mm-2-8-OSS-Lens/dp/B01IDQEQ34

but considering its price tag it is a difficult buy. I have looked at the F4 but given the performance increase, I would prefer the F2.8.

I have seen another lens, the Sony A mount 70-200 F2.8 SSM (Super Sonic Wave Motor) AF System)lens.https://www.amazon.com/Sony-SAL70200G-70-200mm-Digital-Camera/dp/B000DZKOJ4

These cost around 1/3 of the price of the first lens mentioned which I don't quite understand. I have a Sony A7II so I'd need to A to E adapter to use the second lens, these cost around $200, even despite that it would easily be 50-60% cheaper. The only benefit I can see of the first lens is the Optical Steady Shot, and I'd perhaps lose half a stop of light using the A to E adapter. Aside from that can anyone tell me what the differences are? I realise using the Sony A7II won't be the best body for the job, but it is what I have.

Thanks

Edited January 30, 2019 by daws901

[daws901]

bump because had to be approved so no one saw, thanks

[Pieter]

Autofocus performance will suffer significantly when using the adapted option. If you need responsive AF, don't consider A to E-mount adapted options on your A7II. Besides, the optical performance of the FE-lens is a world of difference vs the A-mount option:

https://www.dxomark.com/Lenses/Compare/Side-by-side/Sony-FE-70-200mm-F28-GM-OSS-on-Sony-A7R-II-versus-Sony-70-200mm-F2-8-G-on-Sony-SLT-Alpha-99-II__1679_1035_246_1120

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Edited January 31, 2019 by Pieter
added field map for 200mm @ f/2.8