Recently, Canon has applied for patents for a number of bc.game poker.
In order to obtain the apodizatibc.game poker effect，Use a graduated ND filter (apodizatibc.game poker filter) with different transmittance for each area。In patent document 1，No cbc.game pokersideratibc.game poker is given to the uniformity of the transmittance distributibc.game poker bc.game poker the pupil plane with respect to the wavelength when the filter is applied to the optical system。The purpose of the present inventibc.game poker is to provide an optical system with high wavelength uniformity bc.game poker the pupil surface。
Exampbc.game poker (50mm F1.4)
Focal bc.game poker: 52.13
F value: 1.45
Viewbc.game pokerg angle [degree]: 22.54
Ibc.game pokerge height: 21.64
Total lens bc.game poker: 85.51
BF：37.71
Exampbc.game poker (24mm F1.4)
Focal bc.game poker: 24.55
F value: 1.45
Viewbc.game pokerg angle [degree]: 41.39
Ibc.game pokerge height: 21.64
Total lens bc.game poker: 119.13
BF：38.01
Exampbc.game poker (130mm F1.4)
Focal bc.game poker: 131.00
F value: 1.41
Viewbc.game pokerg angle [degree]: 9.38
Ibc.game pokerge height: 21.64
Total lens bc.game poker: 182.28
BF:13.87
About Canon bc.game poker，RF 85mm F1.2 L USM DS currently on sale，But other focal length bc.game poker in the patent may be released in the future。
50mm F1.4 is the same double Gaussian long back focus optical system as the old SLR lens，May be more suitable for EF mount。130mm F1.4 bc.game poker is likely to become a pretty big shot once commercialized，However, it is still very interesting to see what kind of blur effect can be achieved by super large aperture + bc.game poker。
This website and its official account are public welfare network platforms，The pictures and texts posted are for dissemination of information only、Introduction to knowledge、For the purpose of explaining the problem；Related copyrights belong to the original author，Please be sure to indicate the source bc.game poker reprinting。
Once the manuscript is selected，It is deemed that the bc.game poker agrees to use it for free in various non-profit publications on this website or in cooperation with this website、Internet and mobile media and professional academic libraries, etc.。
The bc.game poker shall bear all copyright issues and legal responsibilities arising from the manuscript。
Learn more updates，Please scan bc.game pokere QR code，Follow our WeChat official account:
