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Thread: 50mm 1.4 - Sony or Minolta?

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    Senior Member Rawfa's Avatar
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    50mm 1.4 - Sony or Minolta?

    Hey guys,

    I'm getting cheap fast 50mm for my A99 and I was wondering if I should get a Sony or a Minolta. I've read somewhere that the 101 focus point on the A99 supports the Sony, but I cannot confirm this information. The Minolta most likely won't support it.

    Price wise I can find the Minolta considerably cheaper than the Sony.

    What do you guys think?

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    Senior Member pegelli's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Don't think it's compatible because the Sony lens is just a re-badged Minolta. Optically they're all nearly identical (maybe some coating changes, but that's all)

    I just love my old Minolta 50/1.4 with an all metal construction and built in hood. For me no need to move to the Sony (to the contrary)

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    Senior Member Rawfa's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Pegelli, you mean it's not compatible with the 101 af points, right? Both lenses DO work with the A99's regular AF, right?

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    Re: 50mm 1.4 - Sony or Minolta?

    Quote Originally Posted by Rawfa View Post
    Hey guys,

    I'm getting cheap fast 50mm for my A99 and I was wondering if I should get a Sony or a Minolta. I've read somewhere that the 101 focus point on the A99 supports the Sony, but I cannot confirm this information. The Minolta most likely won't support it.

    Price wise I can find the Minolta considerably cheaper than the Sony.

    What do you guys think?
    IMO, neither.

    No SSM, 7 blade aperture instead of 9 and if you get it, pay attention to the focus accuracy which may need tuning using the in-camera +/- lens adjustments. (does the Minolta version even support that feature?)

    As you mentioned, I'd also dig deeper into whether the older Minolta version has data bus support for the full AF array.

    I'd also be wise to see whether either of them support the dual AF feature of the A99.

    The Sigma 50/1.4 may not be any faster at AF, but many feel it is optically superior to the aging optics of the Minolta/Sony 50/1.4.

    It isn't that it is a bad lens, just that a 50mm should be a standout even wide open, and I don't think these choices are. Especially considering you are putting it on a FF 24 meg A99 and the next Alpha SLT flagship promises to be even more demanding.

    Unfortunately, the A mount 50/1.4 with SSM and 9 diaphragm blades is the recent Zeiss version that is comparitively priced somewhere in the stratosphere. I now have that lens and use it on the A99 and FF 36 meg A7R via the LAEA-4 SLT adapter it holds up quite well even at 36 meg.

    - Marc

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    Senior Member Malina DZ's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Rawfa, Minolta 50/1.4 & Minolta 50/1.4 RS are not D type lenses and they support neither 101 AF points or AF-D function in a99. I'd get Sony version for a99.

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    Senior Member Rawfa's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Quote Originally Posted by Malina DZ View Post
    Rawfa, Minolta 50/1.4 & Minolta 50/1.4 RS are not D type lenses and they support neither 101 AF points or AF-D function in a99. I'd get Sony version for a99.
    I'm confused....DOES the Sony 50mm 1.5 support either 101 AF points or AF-D function in a99?

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    Senior Member Rawfa's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    The only information Ive found was second hand press release re-posted by several website saying that the only lenses that support support AF-D and 101 point AF are the SAL2470Z, SAL2875, SAL50F14, SAL300F28GII, SAL70400G, SAL50050F4G.

    If the Sony 50mm 1.4 does support the 101 AF points then Im getting it. I dont care about ultra 100% corner to corner sharpness.

    Here is where I got the press release info from:

    Only six lenses compatible with the A99 102 AF system (support for six more coming) | sonyalpharumors

    Want to Use The 102 AF Points on The Sony A99? Well You Better Own One of These 6 Lenses! - The Phoblographer

    Only 6 Sony lenses will be compatible with the 102 AF points on the a99 | Photo Rumors

    102 Autofocus Points on Sony A99 Only Compatible with 6 Lenses At Launch

    How about heritage lenses from Minolta for the new Sony A99?

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    Senior Member Malina DZ's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Rawfa, SAL50F14 was among the first lenses that supported 102-point AF.
    Read footnotes:
    Sony a99 Full-Frame DSLR Camera Body - SLTA99V Review - Sony US
    Additional lenses supported:
    https://blog.sony.com/2013/02/dualaflensfirmware/
    Likes 1 Member(s) liked this post

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    Senior Member Rawfa's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Thanks, Malina! Glad to hear.

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    Senior Member Malina DZ's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Quote Originally Posted by fotografz View Post
    IMO, neither.
    - Marc
    Marc, does 50/1.4ZA suport 102-point AF on a99? I don't remember reading about a FW update that adds support...
    Nevermind, it does with FW 1.02: http://esupport.sony.com/US/p/swu-do...&os_group_id=5
    Last edited by Malina DZ; 18th July 2014 at 15:31.

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    Re: 50mm 1.4 - Sony or Minolta?

    Sony and Minolta 50mm F1.4 are similar, but not identical.

    DPReview once measured both.

    dpreview.com - Lens Review - Fullscreen

    Sony is significantly sharper @ F1.4 but has more CA.

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    Senior Member Malina DZ's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Quote Originally Posted by Rawfa View Post
    Thanks, Malina! Glad to hear.
    I hope you know what you get with these 102 AF points. They are assist points and not the ones you can select individually. Have you seen the area they cover?

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    Senior Member Rawfa's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    I have.

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    Senior Member Malina DZ's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Quote Originally Posted by Rawfa View Post
    I have.
    Sony 50/1.4 is a very capable lens, not without some weaknesses, but I enjoy shooting with it.

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    Senior Member Rawfa's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Got a second hand one today. It should arrive next week.

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    Senior Member pegelli's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    Quote Originally Posted by Rawfa View Post
    Pegelli, you mean it's not compatible with the 101 af points, right? Both lenses DO work with the A99's regular AF, right?
    Yes, they both work with all the standard AF functions, no problems there.



    Quote Originally Posted by Glina View Post
    Sony and Minolta 50mm F1.4 are similar, but not identical.

    DPReview once measured both.

    dpreview.com - Lens Review - Fullscreen

    Sony is significantly sharper @ F1.4 but has more CA.
    Is this caused by a different design, or might it be just sample variation?

  17. #17
    Senior Member Rawfa's Avatar
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    Re: 50mm 1.4 - Sony or Minolta?

    When I set the A99 to AF-D does it start using the 101 AF points or do I have to do something else?

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