Contax Zeiss 70-300 f/4-5.6

Started 5 months ago | Discussions
Fernando L Fernandes New Member • Posts: 1
Contax Zeiss 70-300 f/4-5.6

Is anyone familiar with this lens? Will this perform well on Sony A7III? Any advice? Thanks

Sony a7
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rich_cx139 Senior Member • Posts: 2,382
Re: Contax Zeiss 70-300 f/4-5.6

try the “adapted lens” forum.

Assume you mean the contax N AF lens.

Best to google it: For the N version:

Mediocre -especially at 300

opinions DO  vary - more copy variation than expected


not a patch on the c/y 100-300 which costs 3X more.

What usually puts people off is that you need an expensive smart adapter ( eg fringer 300 gbp ) to get it to AF and control aperture on sony E

You can use a dumb adapter but this has an iris which will just vignette. The aperture needs electronics to work it.

Otherwise - jolly super

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