The dramatic 17 28mm f2 8 adds new dimensions to photographing landscapes cityscapes mountains and scenic vistas as well as groups and building interiors.
Tamron 17 50 2 8 full frame.
Tamron di 17 35mm f 2 8 4 osd.
This marketing baloney means.
Among ultra wide angle zoom lenses with an f stop with f2 8 or faster for full frame cameras.
The tamron is more flare resistant.
And world renown macro lenses.
The di ii in the name indicates the tamron 17 50 2 8 di ii vc is designed for use only on crop sensor cameras.
Brand model focal range max f no filter magni.
The canon s biggest advantage is the 3 stop image stabilizer that the tamron 17 50 lacks.
The tamron 17 50mm f 2 8 xr di ii lens shows less vignetting than the canon.
Vibration control same as nikon vr or canon is.
Based upon tamron research of lenses in the same class.
This tamron lens 17mm is wider than this canon lens 17mm.
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.
Extra refractive index glass allows smaller size di ii.
Lens line up includes a trio of fast f 2 8 sp zooms.
New fast f 1 8 sp prime lens series.
As of 15th december 2005.
Same as nikon s ed or canon s ud.
Tamron sp 17 50mm f 2 8 xr di ii vc ld aspherical for canon aps c digital slr cameras 6 year tamron limited usa warranty nikon af s dx nikkor 35mm f 1 8g lens with auto focus for nikon dslr cameras nikon af s dx nikkor 17 55mm f 2 8g if ed zoom lens with auto focus for nikon dslr cameras.
Tamron calls this the tamron 17 50mm f 2 8 xr di ii vc ld aspherical if.
Only works on 1 6x and dx cameras won t work on 1 3x or 35mm or full frame cameras.
Of course the canon has 5mm over the tamron on the long end.
The image circle of the lens is large enough to cover an aps c sized sensor but not a full frame 36mm x 24mm sensor.
As of may 2019.
Tamron go to product page.