Sony Full Frame mirrorless prototypes still being tested, coming in mid 2014

kenafein · 02-17-2013, 09:14 AM

Originally posted by Jasvox

Check this out: Contax G to NEX successfully developed. | sonyalpharumors

Jason

Thanks, I have been interested in this, but I expect the autofocus will be really slow. I hope that I am wrong, but it might be unusably slow; and it looks like they don't have a focus ring on this. Their EF adapter is an amazing achievement, but the AF is wonky per youtube videos. I will be very interested to hear from the community how these work out. My biggest concern for the rangefinder glass on a FF NEX is color cast and other corner problems, like we've already seen on the NEX 7.

kenafein · 02-17-2013, 09:18 AM

Originally posted by ihasa

There are numerous cheap DA-NEX adapters on ebay. I bought one recently to use my DA35/f2.4 and Tamron 17-50. It cost ten quid or so. Aperture needs to be guesstimated, other than wide-open and fully stopped down, but it's OK.

Yeah, it's never been a problem for me not knowing the precise aperture while using the DA70 or other such lenses. I can get close enough.

Jasvox · 02-17-2013, 10:31 AM

Originally posted by ihasa

There are numerous cheap DA-NEX adapters on ebay. I bought one recently to use my DA35/f2.4 and Tamron 17-50. It cost ten quid or so. Aperture needs to be guesstimated, other than wide-open and fully stopped down, but it's OK.

I have one already, but was wondering at what aperture the lens shoots at if not using an adapter with an aperture ring. So with the 17-50, it shoots full time at 2.8?

Jason

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02-17-2013, 09:14 AM	#16
kenafein Veteran Member Join Date: May 2011 Location: Southern California Photos: Albums Posts: 4,082	Originally posted by Jasvox Check this out: Contax G to NEX successfully developed. \| sonyalpharumors Jason Thanks, I have been interested in this, but I expect the autofocus will be really slow. I hope that I am wrong, but it might be unusably slow; and it looks like they don't have a focus ring on this. Their EF adapter is an amazing achievement, but the AF is wonky per youtube videos. I will be very interested to hear from the community how these work out. My biggest concern for the rangefinder glass on a FF NEX is color cast and other corner problems, like we've already seen on the NEX 7.

02-17-2013, 09:18 AM	#17
kenafein Veteran Member Join Date: May 2011 Location: Southern California Photos: Albums Posts: 4,082	Originally posted by ihasa There are numerous cheap DA-NEX adapters on ebay. I bought one recently to use my DA35/f2.4 and Tamron 17-50. It cost ten quid or so. Aperture needs to be guesstimated, other than wide-open and fully stopped down, but it's OK. Yeah, it's never been a problem for me not knowing the precise aperture while using the DA70 or other such lenses. I can get close enough.

02-17-2013, 10:31 AM	#18
Jasvox Veteran Member Join Date: Oct 2007 Location: Melbourne, Australia Posts: 3,107	Originally posted by ihasa There are numerous cheap DA-NEX adapters on ebay. I bought one recently to use my DA35/f2.4 and Tamron 17-50. It cost ten quid or so. Aperture needs to be guesstimated, other than wide-open and fully stopped down, but it's OK. I have one already, but was wondering at what aperture the lens shoots at if not using an adapter with an aperture ring. So with the 17-50, it shoots full time at 2.8? Jason

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