Alura轻量变焦镜头

技术数据

型号

ARRI/FUJINON Alura Zoom 15.5-45mm

ARRI/FUJINON Alura Zoom 30-80mm

镜头卡口(1)

PL LDS-1

PL LDS-1

焦段(广角端)

15.5

30

焦段(长焦端)

45

80

变焦比

2.9

2.7

光圈

T2.8 - T22

T2.8 - T22

最近对焦距离(2)

0.6 m / 2'0"

0.6 m / 2'0"

放大率(3)

1 : 8.1

1 : 4.9

长度(4)

228 mm / 9.0"

228 mm / 9.0"

视角 H – V – D

15.5mm:70.7° - 54.6° - 82.5°

30mm:43.2° - 25.1° - 48.9°

DIN S35(11)

25mm:50.8° - 29.9° - 57.2°

50mm:26.7° - 15.2° - 30.5°

ID = 30.00 mm(7)

45mm:29.6° - 16.9° - 33.7°

80mm:16.9° - 9.6° - 19.3°

视角 H – V – D

15.5mm:78.5° - 49.4° - 86.3°

30mm:45.8° - 26.7° - 51.7°

ALEXA/D-21 HD(9)

25mm:53.8° - 31.8° - 60.4°

50mm:28.4° - 16.2° - 32.4°

ID = 27.26 mm(7)

45mm:31.4° - 18° - 35.8°

80mm:18° - 10.2° - 20.6°

视角 H – V – D

15.5mm:75.5° - 60.3° - 88.1°

30mm:43.6° - 33.4° - 53.1°

ALEXA 2K(10)

25mm:51.3° - 39.6° - 61.9°

50mm:27° - 20.4° - 33.4°

ID = 29.08 mm(7)

45mm:29.9° - 22.6° - 36.9°

80mm:17.1° - 12.8° - 21.2°

视角 H – V – D

30mm:40.3° - 29.9° - 48.8°

N35(8)

50mm:24.8° - 18.2° - 30.4°

ID = 27.20 mm(7)

80mm:15.7° - 11.4° - 19.3°

入射瞳(6)

15.5mm:237.0 mm / 9.3"

30mm:219.3 mm / 8.6"

25mm:230.9 mm / 9.1"

50mm:201.0 mm / 7.9"

45mm:222.6 mm / 8.8"

80mm:187.4 mm / 7.4"

镜身最大直径

前端直径(5)

114 mm / 4.5"

114 mm / 4.5"

重量

2.2 kg / 4.9lb

2.2 kg / 4.9lb

产品号 (公制刻度)

K2.47934.0

K2.47936.0

产品号 (英制刻度)

K2.47935.0

K2.47937.0

(1) 最近对焦距离是从成像平面量起的

(2)ANSI标准S35画幅水平视角

(宽高比1:1.33,成像面积24.9 mm x 18.7 mm / 0.980" x 0.7362")。