Sharpness does improve slightly in the center on stopping down slightly, especially at longer focal length settings, but this is a lens you could shoot wide open if center sharpness is your main concern. Like all such lenses there is a compromise to be made. Member-Submitted Articles. The lens doesn't feature a constant aperture; as the lens is zoomed out towards the telephoto end, its widest aperture offering decreases. Pincushion distortion becomes strong by 35mm through 50mm and lessens to mild again by 80mm. However it's not a macro lens in the sense of a lens designed to have a very flat field and yield the highest resolution high magnification images. We use cookies and similar technologies to recognize your repeat visits and preferences, and analyze traffic. This is not a parfocal lens - changing the focal length requires refocusing. It has a smooth action and works well with the K-Mount Auto-Focus.

  • Sigma mm f/3,56,3 DC MACRO OS HSM test, prix et fiche technique Les Numériques
  • Sigma mm f/ DC SLD OS HSM review
  • Sigma 18–mm f/– DC Macro OS HSM Is it the AllStar AllPurpose Superzoom Lens
  • Sigma mm review (NAPSC) CameraStuff Review
  • Sigma mm F DC OS MACRO HSM Handson Review Bob Atkins Photography

  • Comprar Electrónica B&H Foto-Vídeo}! The mm f/ DC Macro OS HSM is the latest in a long line of all-in-one 'superzoom' lenses from Sigma, having been announced in June ​ It offers two main developments over its predecessor, the confusingly similarly-named mm f/ DC OS HSM - namely improved.

    Sigma mm f/3,56,3 DC MACRO OS HSM test, prix et fiche technique Les Numériques

    Introduction. Announced earlier in the year (June ), the recently updated Sigma mm f/ DC Macro OS HSM for Nikon and.
    If you decide the irresistible focal length range is what you want, your next decision is - which is the best super zoom lens, overall?

    It was particularly effective for close-ups. Sigma has done a heck of a job and I think I got every penny's worth of value from it.

    Sigma mm f/ DC SLD OS HSM review

    Manual focus is not available when in AF mode i. Super multilayer coating is used to minimize flare and ghosting, a rounded 7-blade iris is used to smooth out of focus blur and an ultrasonic HSM focus motor is used to maximize focus speed and minimize motor noise.


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    Once its on It stays on. As I said, a lot of lenses do this so it's more something to be aware of than to worry about.

    This can make manual focusing at longer focal lengths touchy.

    Sigma 18–mm f/– DC Macro OS HSM Is it the AllStar AllPurpose Superzoom Lens

    CA Chromatic Aberration is somewhat strong in the corners at 18mm, improves until it is mostly gone at 35mm, begins to show again around mm and becomes very strong at mm. What is Plus Membership?

    images test sigma 18 250 macro hsm sigma

    Problem 2 - pincushion distortion, which sets in at about 30mm, is really severe up to 50mm, then gradually improves again towards mm.

    Note: The Sigma mm f/ DC OS HSM Lens has been replaced by the Sigma mm f/ DC Macro OS HSM.

    The Sigma mm OS Macro has come on the market in mid 18 elements in 14 groups), the application of a faster (HSM) AF motor. Gary Wolstenholme reviews the new Sigma mm f/ DC Macro OS HSM Lens, the new superzoom macro lens from Sigma. Review.
    Lens Review Date: May 30, Pentax Stores Pentax Retailer Map. Not only was it possible to focus closer; the new lens delivered better bokeh than its predecessor, particularly at longer focal length settings with the lens stopped down.

    Sigma mm review (NAPSC) CameraStuff Review

    Focal lengths are rated at an infinity focus distance, but here is a table that shows the moderate distance required to frame a The best place to start is size and weight because they are two of the primary factors when choosing to shoot with any superzoom.


    Test sigma 18 250 macro hsm sigma
    In urban settings and architecture, as all TT's, there will be much to look at the lines if you want one that suffers the hearing. Go to Page Again, for a superzoom, Chromatic aberrations are very well controlled throughout the zoom range. Exclusive Gallery. At closest focus with the lens set to mm there's about 9cm 3.
    (From Sigma lens literature) The addition of the mm F DC Macro OS HSM speaks to Sigma's versatile product lineup with this multipurpose zoom​.

    Video: Test sigma 18 250 macro hsm sigma Sigma 18-250mm f/3.5 - f/6.3 DC MACRO OS LENS REVIEW

    Looking for a Sigma mm lens review? The lens offers fair macro performance, with a maximum magnification rating of x ( Full Review. Buyers of all-in-one zoom lenses will welcome the arrival of Sigma's mm F DC Macro OS HSM lens, which has just been released.
    Vignetting corner darkening is pretty well controlled, especially at mid focal lengths.

    Sigma mm F DC OS MACRO HSM Handson Review Bob Atkins Photography

    Focusing is internal, so the length of the lens barrel does not vary during focusing and the filter threads do not rotate. Calculations based on the two prime lens figures indicate that mm should have a distance of about Sign in Already have account? Conclusion Like most ''vacation'' zooms, the trick is to know the parameters where they function best. Weight g Corner sharpness on the second sample of the lens was roughly the same in all four corners of the image, which indicates the elements are in correct alignment.


    Test sigma 18 250 macro hsm sigma
    Simple distortion can be digitally corrected quite easily, so most of the distortion is correctable. This was the only place we saw such a spectacle. Not a place for living creatures in the winter. I have owned many lenses and a number of cameras and presently this is being used on a Sony A In addition the close focus ability give reasonable macro capability with a magnification of 0. I should preface this by saying I haven't really spent much time analyzing the performance of this lens.

    In urban settings and architecture, as all TT's, there will be much to look at the lines if you want one that suffers the hearing.

    images test sigma 18 250 macro hsm sigma