Standard Zoom Lens (Wide)

α

Degree

9.02

8.86

8.81

8.78

8.75

8.73

8.70

8.67

8.65

8.64

8.63

8.62

8.61

β (sin= α)

 

0.15671

0.15395

0.15318

0.15260

0.15216

0.15181

0.15128

0.15076

0.15041

0.15024

0.14998

0.14984

0.14972

γ (cos= α)

 

0.98764

0.98808

0.98820

0.98829

0.98836

0.98841

0.98849

0.98857

0.98862

0.98865

0.98869

0.98871

0.98873

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screen Size

inch

32

48

56

64

72

80

96

120

144

160

192

216

240

H–Width

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 : 3 Diagonal

inch

40

60

70

80

90

100

120

150

180

200

240

270

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

mm

1572

2400

2814

3228

3642

4056

4884

6127

7369

8197

9853

11096

12338

 

inch

61.9

94.5

110.8

127.1

143.4

159.7

192.3

241.2

290.1

322.7

387.9

436.8

485.7

C

mm

1552

2371

2781

3190

3600

4009

4828

6057

7285

8104

9742

10970

12199

 

inch

61.1

93.4

109.5

125.6

141.7

157.8

190.1

238.4

286.8

319.1

383.5

431.9

480.3

D

mm

-34

-4

10

25

40

55

84

128

172

201

260

304

348

 

inch

-1.32

-0.16

0.41

0.99

1.57

2.15

3.30

5.03

6.77

7.92

10.23

11.96

13.70

E

mm

339

462

523

585

646

708

831

1016

1201

1324

1570

1755

1939

 

inch

13.3

18.2

20.6

23.0

25.4

27.9

32.7

40.0

47.3

52.1

61.8

69.1

76.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C/H-Width

 

1.91

1.94

1.95

1.96

1.97

1.97

1.98

1.99

1.99

1.99

2.00

2.00

2.00

magnification

 

30.79

46.18

53.88

61.58

69.27

76.97

92.36

115.45

138.55

153.94

184.73

207.82

230.91

Standard Zoom Lens (Tele)

α

Degree

6.93

6.81

6.77

6.75

6.73

6.71

6.69

6.66

6.65

6.64

6.63

6.62

6.62

β (sin= α)

 

0.12065

0.11850

0.11790

0.11746

0.11711

0.11684

0.11643

0.11603

0.11576

0.11562

0.11542

0.11531

0.11522

γ (cos= α)

 

0.99269

0.99295

0.99302

0.99308

0.99312

0.99315

0.99320

0.99325

0.99328

0.99329

0.99332

0.99333

0.99334

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screen Size

inch

32

48

56

64

72

80

96

120

144

160

192

216

240

H–Width

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 : 3 Diagonal

inch

40

60

70

80

90

100

120

150

180

200

240

270

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

mm

2041

3118

3656

4194

4732

5270

6346

7961

9575

10651

12804

14418

16032

 

inch

80.4

122.7

143.9

165.1

186.3

207.5

249.9

313.4

377.0

419.3

504.1

567.6

631.2

C

mm

2027

3096

3630

4165

4699

5234

6303

7907

9511

10580

12718

14322

15925

 

inch

79.8

121.9

142.9

164.0

185.0

206.1

248.2

311.3

374.4

416.5

500.7

563.8

627.0

D

mm

-34

-4

10

25

40

55

84

128

172

201

260

304

348

 

inch

-1.32

-0.16

0.41

0.99

1.57

2.15

3.30

5.03

6.77

7.92

10.23

11.96

13.70

E

mm

339

462

523

585

646

708

831

1016

1201

1324

1570

1755

1939

 

inch

13.3

18.2

20.6

23.0

25.4

27.9

32.7

40.0

47.3

52.1

61.8

69.1

76.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C/H-Width

 

2.49

2.54

2.55

2.56

2.57

2.58

2.58

2.59

2.60

2.60

2.61

2.61

2.61

magnification

 

30.79

46.18

53.88

61.58

69.27

76.97

92.36

115.45

138.55

153.94

184.73

207.82

230.91

E-17

Page 18
Image 18
NEC MT830 user manual Standard Zoom Lens Wide, Standard Zoom Lens Tele