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How Many Blades?

Comments

  • #2
    Paulw
    Registered Users, Registered Users 2 Posts: 13,381 ✭✭✭✭Paulw


    Why open a new thread when the topic is already under discussion in another???


  • #3
    Fajitas!
    Registered Users, Registered Users 2 Posts: 16,624 ✭✭✭✭Fajitas!


    Serious?

    I mean, I'd rather see the results and not have to worry about blades, element groupings et al - At the end of the day, the image I get with it is what matters to me. If it takes 5 blades or 50 blades, so be it, just let it take a good pic.

    For the record, when I'm buying a lens I might need, I go by

    1) focal length
    2) maximium aperture
    3) size/weight
    4) hand-hold-ability
    5) special features (Soft focus, fisheye, selective focus, macro, etc)
    6) price

    I don't think I have a clue how many blades any of my lenses have.


  • #4
    melekalikimaka
    Moderators, Education Moderators, Music Moderators Posts: 10,686 Mod ✭✭✭✭melekalikimaka


    blade no. effects the bokeh quite alot tho...


  • #5
    Anouilh
    Registered Users Posts: 1,826 ✭✭✭Anouilh


    Paulw wrote: »
    Why open a new thread when the topic is already under discussion in another???

    I missed that. Shall look for it.


  • #6
    Mycroft H
    Registered Users, Registered Users 2 Posts: 9,313 ✭✭✭Mycroft H


    Yes the number of blades sometimes affects the 'bookeh'. Plenty of new lenses now have circular blades which aswell which gives better out of focus areas. Just a little more info to confuse ye


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  • #7
    Eirebear
    Registered Users, Registered Users 2 Posts: 9,014 ✭✭✭Eirebear


    At the end of the day though, if you do your research on the lens options you have, you will undoubtedly see sample images.
    From there you will get an idea on things like Bokeh, and wether the "technical aesthetics" (for want of a less confusing phrase!) of the image it produces and wether you like it or not.

    Stick to Fajitas' list and go out and take photographs.


  • #8
    Anouilh
    Registered Users Posts: 1,826 ✭✭✭Anouilh


    landyman wrote: »
    Yes the number of blades sometimes affects the 'bookeh'. Plenty of new lenses now have circular blades which aswell which gives better out of focus areas. Just a little more info to confuse ye

    Thanks to this

    http://www.clubsnap.com/forums/showthread.php?s=&threadid=415059

    I'm less confused.


  • #9
    Anouilh
    Registered Users Posts: 1,826 ✭✭✭Anouilh


    Technical details are not always to everybody's taste and some of the really helpful analysis of lenses and Gaussian blur are in danger of getting lost among the photos in the other Bokeh threads.

    I'm not at all up to date on circular blades and what they may add to the cost of a lens. Are they mostly used by professionals?

    This writer

    www.bobatkins.com/photography/technical/bokeh.html

    has gone into detail in relation to lens blades and has a link on that page to a blur calculator.


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