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    SilverAndGold
    21 Jan 2010 - 3:41 PM

    I have been using a Sony Alpha 75-300 lens but lucky enough to have been given a Minolta 100-300mm zoom that just oozes quality to the point where I am thinking of ditching the Sony lens. Is this wise?

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    21 Jan 2010 - 3:41 PM

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    Overread
    Overread  53745 forum posts England18 Constructive Critique Points
    21 Jan 2010 - 3:47 PM

    First off - I am darn jealous of your wolfshots lovely animals and shots - was it a wild encounter or an enclosure?

    As to the lenses if you find the 100-300mm is giving you higher quality image results than your 75-300mm and the 100-300mm works in all regards on your camera then by all means ditch the worse lens and use the other.

    Pete
    Pete Site Moderator 1218416 forum postsPete vcard ePz Advertiser England96 Constructive Critique Points
    21 Jan 2010 - 3:53 PM

    You're in a perfect position to find out for yourself. Stick a newspaper on the wall...set the lens up parallel to the wall and photograph it at wide middle and long end of the zoom range shooting at all apertures and compare each...the better lens will have more detail in the edges and the white of the paper will be the same tone right into the edges.
    Also try pointing into the sun to see which is best for flare.

    PeterBee
    PeterBee  835 forum posts United Kingdom5 Constructive Critique Points
    21 Jan 2010 - 4:01 PM

    As well as carrying out your own test, you might find that the lens reviews to be found at www.dyxum.com are helpful to your decision making process.

    Helpful Post! This post was flagged as helpful
    RichardN00
    RichardN00 e2 Member 7393 forum postsRichardN00 vcard United Kingdom1 Constructive Critique Points
    21 Jan 2010 - 4:35 PM


    Quote: set the lens up parallel to the wall

    ???

    Methinks you mean 90 Degrees to the wall Smile

    cameracat
    cameracat  108575 forum posts Norfolk Island61 Constructive Critique Points
    21 Jan 2010 - 5:27 PM


    Quote: that just oozes quality to the point

    To the point of what exactly...?

    Are we talking optical quality, Or the build quality?

    Surely the answer is keep the lens, That produces the best images.

    Simples....Wink


    Quote: I am darn jealous of your wolfshots

    Nice for sure, But none of them have been produced with the Minolta lens.

    A couple from a Sigma 600mm, Quite nice but a tad over sharpened perhaps, And a couple from the Sony lens with a convertor, Also quite nice...!!!

    Last Modified By cameracat at 21 Jan 2010 - 5:30 PM
    timbo
    timbo  11591 forum posts United Kingdom
    21 Jan 2010 - 5:34 PM


    Quote: Also try pointing into the sun to see which is best for flare.

    Are you really advocating pointing a telephoto lens at the sun Pete?
    Burnt retinas here we come.

    SilverAndGold
    21 Jan 2010 - 7:45 PM


    Quote: Quote:


    A couple from a Sigma 600mm, Quite nice but a tad over sharpened perhaps

    I forgot to mention I had the iso setting at 1600 giving a slightly grainy effect. Not a result of over-sharpening

    Freefall
    Freefall e2 Member 10675 forum postsFreefall vcard United Kingdom
    22 Jan 2010 - 10:03 AM

    When in doubt I always search for truly impartial judgement Wink

    SilverAndGold
    22 Jan 2010 - 11:14 AM

    Ha Ha love it!!

    Just Jas
    Just Jas  1225716 forum posts England1 Constructive Critique Points
    22 Jan 2010 - 11:38 AM

    Burp...!!! Smile

    tigertimb
    tigertimb  640 forum posts United Kingdom66 Constructive Critique Points
    2 Mar 2010 - 10:03 AM

    Obviously ought to take into account size and weight too, maximum aperture and how well it actually performs when wide open.
    I have a lot of the older Minolta lenses which are often superb for basic quality and IQ, but they're unlikely to have modern digital coatings which means more colour abberations (and extensively at wide apertures), they tend to have longer minimum focus distances and they're unlikely to have the 'D' functionality to register focus distance and help with flash use.
    And be careful when you check dyxum.com; from memory they made several 100-300mm lenses, and one of them was considerably better than the others.
    Tim

    dwilkin
    dwilkin e2 Member 724249 forum postsdwilkin vcard United Kingdom
    18 Mar 2010 - 5:11 PM

    Have to agree with Tim - if it's the lens they call the 'big beercan' absolutely go for it!

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