By 50mm at ƒ 2 8 the lens is producing images which are fairly sharp around 3 blur units across the frame but now are slight soft corners are in the bottom of the frame at 5 6 blur units.
Tamron 17 50mm f 2 8 full frame.
The tamron 17 50mm f 2 8 xr di ii lens delivers very good image quality in a small light fast and affordable package.
Tamron calls this the tamron 17 50mm f 2 8 xr di ii vc ld aspherical if.
The sp af17 50mm f 2 8 is a lightweight compact fast standard zoom lens designed exclusively for digital slr cameras expanding the product concept of the popular sp af28 75mm f 2 8 zoom lens.
This marketing baloney means.
Extra refractive index glass allows smaller size di ii.
As of 15th december 2005.
New fast f 1 8 sp prime lens series.
Engineers are free to innovate in an uncommon atmosphere where optical performance comes before price resulting in lenses that satisfy the demands of discerning photographers.
Tamron lenses deliver a superb fusion of performance and value enabling today s high resolution dslrs to perform at their peak.
The compositional options afforded by the sp 17 50mm f 2 8 di ii vc s wide to moderate telephoto zoom characteristics are prized by experienced photographers rendering a picture angle range approximating a 26 78mm lens on a full frame dslr or a 35mm slr.
Add in the very popular focal length range and you have a lens that is just right for many digital slr camera owners.
And world renown macro lenses.
As aps c sized image sensors are smaller than 35mm film the 17 50mm can fill the frame with almost the same scope as a lens with a maximum magnification ratio of 1 3 0 on a 35mm slr camera.
Based upon tamron research of lenses in the same class.
In addition portrait shots are made beautiful with the natural out of focus effect characteristic provided by the fast f 2 8 aperture.
The early in its lifecycle popularity this lens is enjoying substantiates this claim.
Lens line up includes a trio of fast f 2 8 sp zooms.
Only works on 1 6x and dx cameras won t work on 1 3x or 35mm or full frame cameras.
The tamron af 17 50mm f 2 8 sp xr di ii ld aspherical if is a very serious performer capable to deliver very sharp images at all focal lengths.
49 0 221 66 95 44 404.