Sony's Alpha 700 replacement to be mirrorless SLT, with APS-C sensor

Discussion in 'Digital SLR' started by Bruce, Sep 21, 2010.

  1. Bruce

    Bruce Guest

    Oh dear. 'Pellicle mirror disease' is spreading through the Alpha
    range, with several reports of a mock-up of an A700 replacement on the
    Sony stand at Photokina.

    So stand by for the A77 to be released in January. Given that the
    Alpha 850 and 900 are both discontinued, will the A77 become the new
    top model of the Sony Alpha range?
    http://preview.tinyurl.com/32mwlkq
    or:
    http://www.amateurphotographer.co.u...mirror_Updated_with_pictures_news_302057.html

    Do you believe in ghosts? You'd better, if you buy one of these. ;-)
    http://preview.tinyurl.com/3873ep2
    or:
    http://forums.dpreview.com/forums/read.asp?forum=1037&message=36125668
     
    Bruce, Sep 21, 2010
    #1
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  2. Bruce

    Bruce Guest


    Agreed. I do wonder what proportion of A700 users would list
    10 frames/sec as a "must have" feature of an A700 replacement.


    Reliability should improve as there is no mirror mechanism.


    I thought that, but the A33 and A55 both have the same sensor cleaning
    feature (by vibrating it) as the other Alpha DSLRs. That means dust
    can get in.
     
    Bruce, Sep 22, 2010
    #2
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  3. Bruce

    Russ D Guest

    You people seriously need to educate yourselves on what is meant by a
    "pellicle mirror". Being often only a few molecules thick. Apparently, if
    internal reflections are causing this image degradation, then the word
    "pellicle" is being widely misused and the usual resident TROLLS are just
    parroting what they know not.
     
    Russ D, Sep 23, 2010
    #3
  4. Bruce

    Russ D Guest

    Then you don't know what a pellicle mirror is.
     
    Russ D, Sep 27, 2010
    #4
  5. Bruce

    Bruce Guest


    The image ghosting on the A33 and A55 is significant. It is
    particularly prominent in night shots but it is noticeable in many
    high contrast situations where bright highlights have an associated
    ghost image.

    Don't waste your time taking an A700 apart. It would be very strange
    indeed if the A700 had any ghosting because the A700 does not have a
    pellicle mirror.

    However, the forthcoming A700 replacement *will* have a pellicle
    mirror. I suppose it is likely that the model will be called A77.

    Will there be ghosting? That depends on whether Sony has solved the
    problem by then. ;-)
     
    Bruce, Sep 27, 2010
    #5
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