Until now, on the lens of knowledge about, including Nikon, Canon, Panasonic, etc. However there are some top lens, such as Leica, did not speak. Here are some links::.
Tamron lens body of knowledge. .
http://www。.szruimu。.com/blog/post/462。.html。.
http://www. . Szruimu. .com/blog/post/454. . Html. .
http://www。.szruimu。.com/blog/post/428。.html。.
http://www. . Szruimu. .com/blog/post/405. . Html. .
Tuli lens knowledge:.
AS: Aspherical Aspherical lens. .
AT-X:Advances Technology-Xtra, this is the production of large diameter tuli professional lens features a lens on the front with a red or gold rings.
D: the digital optimum design through the lens of the camera is more suited to the requirements of the digital age, such as AT-X M100 Pro D. .
DX: designed specifically for APS medium format digital SLR camera design digital dedicated lens cannot be used in wide format models.
M: Macro Macro lens. .
Pro: professional lens, Profesional is one of the most upscale product tuli, lens front end with gold rings AT-X lens.
SD: Super Lower Dispersion, ultra-low dispersion lens, divided into two grades FK01 and FK02. .
SZ-X: lightest tuli zoom lens series is a manual focus lens.
SZ / SMZ: Tokina amateur lens series, also belongs to manual focus lenses. .
IF: AF.
AT-X Pro 50-135mm F2. .8 DX lens. .
Examples: AT-X Pro 50-135mm F2. DX lens .8 to 50-135mm, constant maximum aperture F2. .8, designed specifically for APS medium format digital SLR camera design AT-X series professional lens. These are all common photography company in Shenzhen lens.
