julioalperi's reviews

  • Nikon 135mm f/2D AF DC Nikkor

    10 out of 10 points and recommended
    Costruction and optical quality
    Not found. Some would want faster AF. Price.

    10+10+10. farther explanations not needed.

    reviewed November 16th, 2006 (purchased for $1,080)
  • Nikon 105mm f/2D AF DC Nikkor

    10 out of 10 points and recommended
    Contrction and optical quality.
    Not found. Some would want faster AF.

    10+10+10. Farther explanatios not needed. Price is OK for what you get.

    reviewed November 16th, 2006 (purchased for $806)
  • Nikon 24mm f/2.8D AF Nikkor

    9 out of 10 points and recommended
    Excelent center resolution. Good construction.
    Soft corners.Distortion. CAs.

    Resolution is very good to excelent in center, but only good in corners. With med- high barrel distortion, high vignetting (at f/2.8) and pronounced CAs. the AF 24mm f/2.8D is not a bad lens, but as a fix-focal I expected a better performance.

    reviewed November 17th, 2006 (purchased for $320)
  • Nikon 28mm f/2.8D AF Nikkor

    8 out of 10 points and recommended

    Resolution is very good ( excelent at F:5,6)in center, but only good in corners. With med- high barrel distortion, high vignetting (at f/2.8) and pronounced CAs. the AF 28mm f/2.8D is not a bad lens, but as a fix-focal I expected a better performance.

    reviewed November 17th, 2006
  • Nikon 35mm f/2D AF Nikkor

    9 out of 10 points and recommended

    This is very good lens. Resolution is very good to excelent especially at medium aperture settings. A little soft at F:2 and borders in general could be a little better.Vignetting is a little high at f/2 but low at lager apertures. Barrel distortion is med-low. Good construction and fast AF.

    reviewed November 17th, 2006
  • Nikon 50mm f/1.4D AF Nikkor

    9 out of 10 points and recommended

    This is a very good lens. At f/1.4 the borders are a little soft, but at larger apertures the performance is excelent. Distortions are low. CAs are very low and vignetting is med-low at f/1.4 . Good construction and AF.

    reviewed November 17th, 2006 (purchased for $307)
  • Nikon 180mm f/2.8D ED-IF AF Nikkor

    9 out of 10 points and recommended
    Resolution,distortions,vignetting,CAs,bokeh, weight
    No SWM

    This is an excellent lens. I have not found any weakness using it,resolution is very good to excellent , very low distortion, very low vignetting and low CAs. Excellent contrast and very nice bokeh. I highly recommend this lens.

    reviewed November 20th, 2006 (purchased for $443)
  • Nikon 50mm f/1.8D AF Nikkor

    9 out of 10 points and recommended
    Center resolution,distortion,vigneting, price
    none for the price paid.

    At wide open aperture it is soft at borders, contrast is a little low too. Resolution is exceptionally high at medium aperture settings especially at center . Distortions are very low and vignetting above F:1,8 is very low too. Construction quality is good as it is the AF performance.

    reviewed November 20th, 2006 (purchased for $154)
  • Sigma 105mm f/2.8 EX DG Macro

    9 out of 10 points and recommended
    Resolution,distortions,vignetting,CAs,bokeh.
    None.

    This is an excellent lens. Resolution is excellent from F:2,8 at center and borders, distortion is really low, no visible. Vigneting is low at F:2,8 but disappears at larger apertures. Nice bokeh. CAs are exceptionlly low. Contruction quality is very good. The limit switch feels a little weak.

    reviewed November 20th, 2006 (purchased for $424)
  • Sigma 150mm f/2.8 EX DG HSM APO Macro

    9 out of 10 points and recommended
    Resolution,distortions,vignetting,CAs,bokeh.Good tripod collar.
    No aperture ring ( NIkon )

    This is an excellent lens. Very high resolution from F:2,8 even at borders .Distortions are very low ( no visible ).Vignetting is very low too. Chromatic aberrations are exceptionally low. The bokeh is very smooth. Construction quality is very good. The HSM AF is near silent ( focusing speed could be faster) . Good tripod collar.

    reviewed November 20th, 2006 (purchased for $615)
  • Sigma 50mm f/2.8 EX DG Macro

    9 out of 10 points and recommended
    Resolution,distortions,vignetting,Low CAs,
    No HSM

    This is an excellent lens. Very high resolution from F:2,8 even at borders .Distortions are extremely low ( no visible ).Vignetting is very low too. Chromatic aberrations are very low. The bokeh could be better. The Construction quality is very good. AF speed is OK.

    reviewed November 20th, 2006 (purchased for $313)
  • Sigma 70-200mm f/2.8 EX DG HSM APO

    9 out of 10 points and recommended
    Resolution,distortions,vignetting,CAs,bokeh.Good tripod collar.Price.
    Softer at the long end.

    This is a very good lens. Resolution at 70mm is excellent ,very high at 135-150 mm, a little worse at 200 mm. Distortions are very low. Vignetting is very low too. Nice bokeh.The construction quality is very high. CAs are really low. AF is silent and fast. Good tripod collar.

    reviewed November 20th, 2006 (purchased for $861)
  • Sigma 100-300mm f/4 EX DG HSM APO

    9 out of 10 points and recommended
    Resolution,distortions,vignetting,CAs,bokeh.Good tripod collar.Price.
    None.

    This is an excellent lens. Great resolution , low vignetting, low distortions, nice bokeh,low CAs and excellent build quality . It woks fine with the Sigma 1.4x converter ( some CAs and a somewhat lower resolution can be noticed ). Silent and fast HSM. Good tripod collar. I highly recommend this lens ( combo).

    reviewed November 20th, 2006 (purchased for $892)
  • Tamron 90mm f/2.8 Di Macro 1:1 SP AF

    9 out of 10 points and recommended
    Resolution,distortions,vignetting,CAs,bokeh.price.
    None.

    This is an excellent lens. Resolution is extremely high strait from F:2.8 ( my D200 reads 3 ),Good contrast, vignetting is very low, CAs are low and distortions are extremely low ( not visible ). Very nice bokeh.The build quality is good. I highly recommend this lens.

    reviewed November 20th, 2006 (purchased for $399)
  • Tamron 28-75mm f/2.8 XR Di LD Aspherical IF SP AF

    9 out of 10 points and recommended
    Resolution,distortions,vignetting,CAs,bokeh, Size and weight.Price.
    Not found. Some would want faster AF.

    This is a very good lens. the center resolution is very good to excellent and the borders follow very close (only a little soft at 28 mm, F:2.8) . The distortions are very low as is the amount of vignetting. CAs are low. Nice bokeh. Decent macro. Nice size and weight compared with NikonĀ“s 28-70 mm. The build quality of the lens is good. Excellent as a portrait lens.

    reviewed November 20th, 2006 (purchased for $399)