Sharpest f stop?

Discussion in 'Photography Beginners' Forum' started by six-five-two, Sep 25, 2007.

  1. six-five-two

    six-five-two TPF Noob!

    Joined:
    Jul 24, 2007
    Messages:
    48
    Likes Received:
    0
    Can others edit my Photos:
    Photos NOT OK to edit
    problem solved: f/22
     
    Last edited: Jul 25, 2008
  2. usayit

    usayit No longer a newbie, moving up!

    Joined:
    Nov 15, 2003
    Messages:
    9,523
    Likes Received:
    344
    Location:
    North New Jersey, United States of America
    Can others edit my Photos:
    Photos OK to edit
    It depends on the lens.. but for the typical lens, increased sharpness usually starts 1-2 stops in from the max aperture. Some lenses are sharp even wide open.

    For landscapes with max depth of field, I'll shoot usually at f/11 or f/16.
     
  3. jstuedle

    jstuedle No longer a newbie, moving up!

    Joined:
    Jun 30, 2005
    Messages:
    4,889
    Likes Received:
    14
    Location:
    S.E. Indiana
    Can others edit my Photos:
    Photos NOT OK to edit
    The term "F8 and be there" was coined for a reason. Most glass has a "Sweet Zone" around f/8-11. But as mentioned above, some are designed to be sharpest wide open. The old MF Nikkor 400 f/3.5 comes to mind. Every lens is differant, ever the same model lens from the same production run will have piece to piece variations. Use it, test it, and decide what works best for you and your style and equipment.
     
  4. skieur

    skieur TPF Noob!

    Joined:
    May 14, 2007
    Messages:
    5,076
    Likes Received:
    202
    Location:
    Canada
    Can others edit my Photos:
    Photos OK to edit
    If you read the lab reports on particular lenses as I do, then you realize that it is often f2.8 or f4.

    skieur
     
  5. Garbz

    Garbz No longer a newbie, moving up!

    Joined:
    Oct 26, 2003
    Messages:
    9,713
    Likes Received:
    203
    Location:
    Brisbane, Australia
    Can others edit my Photos:
    Photos NOT OK to edit
    Skieur what kind of lenses are you using that are sharpest at f/2.8???? Mostly the sharpness curves follow the standard bell curve for a reason.

    Normally they are sharpest 2-3 stops from wide open. On an f/1.8 lens it may be f/4-5.6 is sharpest. On my 18-70 it's around f/8. One thing important to note is that at f/11 diffraction on a digital camera causes a loss of sharpness. On a film camera or a full frame sensor camera like the Canon 5D this is around f/16.
     
  6. skieur

    skieur TPF Noob!

    Joined:
    May 14, 2007
    Messages:
    5,076
    Likes Received:
    202
    Location:
    Canada
    Can others edit my Photos:
    Photos OK to edit
    Minolta and Tokina.

    skieur
     
  7. Many Leica lenses are sharpest at maximum aperture.

    "F8 and be there" means you can turn your camera into a nice Point-and-Shoot whereby your DOF makes almost everything more than five-to-six feet away in focus.
     
  8. usayit

    usayit No longer a newbie, moving up!

    Joined:
    Nov 15, 2003
    Messages:
    9,523
    Likes Received:
    344
    Location:
    North New Jersey, United States of America
    Can others edit my Photos:
    Photos OK to edit
    Specifics.? I'm curious too.... not too many lenses that have their sharpest aperture at max aperture.

    Leica have some sharp lenses at max but even those show improvement as you stop down. 35mm f/1.4 Summilux asph for example.. >>read<< expensive.
     
  9. six-five-two

    six-five-two TPF Noob!

    Joined:
    Jul 24, 2007
    Messages:
    48
    Likes Received:
    0
    Can others edit my Photos:
    Photos NOT OK to edit
    The two lenses I have is the Pentax 75-300mm f/4.5 f/5.8 (my zoom lens) and my primary lens: Pentax 18-55mm K100D Kit Lens.
     
  10. jon_k

    jon_k TPF Noob!

    Joined:
    Jun 4, 2007
    Messages:
    213
    Likes Received:
    0
    Location:
    North Richland Hills (Ft. Worth suburb) TX
    Can others edit my Photos:
    Photos OK to edit
    Where can you get the reports / data / graphs and how do you interpret the data? Can you share more information.

    Everyone says each model lens has a different sweet spot. Where's the site that reports lenses and their sharpest apertures.
     
  11. abraxas

    abraxas No longer a newbie, moving up!

    Joined:
    Aug 15, 2006
    Messages:
    10,417
    Likes Received:
    9
    Can others edit my Photos:
    Photos NOT OK to edit
    f22-f32 for my stuff.
     
  12. Case

    Case TPF Noob!

    Joined:
    Sep 20, 2007
    Messages:
    43
    Likes Received:
    0
    Noob post engage..

    So basically Fstop is Aperture? And Aperture is the amount of light let into a lens when taking a picture?

    So basically higher Aperture settings make for a sharper, more clear image?

    When a lens says f/4-5.6 does that mean the HIGHEST Aperture setting that lens can be set to is 5.6?

    Sorry for the noobish questions, we all have to start somewhere.
     

Share This Page

Search tags for this page
aperture sharpest for film
,
nikon 18 55 sharpest aperture
,

nikon 18-55 sharpest aperture

,

nikon 18-55 vr sharpest aperture

,
sharpest aperture for 18-55
,
sharpest aperture for nikon 18-55
,

sharpest aperture nikon 18-55

,

sharpest f stop

,
sharpest f stop for nikon 18-55
,
what f stop is the nikon 18-55 sharpest