anastigmat
/uh-nas-tig-mat, an-uh-stig-mat/US // əˈnæs tɪgˌmæt, ˌæn əˈstɪg mæt //UK // (æˈnæstɪɡˌmæt, ˌænəˈstɪɡmæt) //
桅杆,桅竿,桅桅,桅子
Definitions
n.名词 noun
- 1
Optics.
- : a compound lens corrected for the aberrations of astigmatism and curvature of field.
Examples
For those, however, who wish even greater efficiency and capabilities, we supply the anastigmat lens equipments.
This makes a most desirable outfit at a surprisingly low price for an anastigmat equipment.
This lens has been specially designed for this particular use by the makers of the well-known Cooke Anastigmat lenses.
The "double anastigmat" of Goerz of Berlin was put on the market in 1893.
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