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Table 1 List of optical devices

From: A new five-wavelength photometer operated in Tromsø (69.6°N, 19.2°E)

No.

Device type

Comments; unit is in mm

1

Lens

D50 f200

2

Prism mirror

Enhanced aluminum coated

3

Lens

D50 f150

4

Mirror

56.57 × 40 (with pinhole)

5

Lens

D25 f40

6,7,8,9

Dichroic mirror

25.2 × 35

10

Mirror

25 × 35; protected gold

11

Lens

D50 f250

12

Lens

D50 f100

13

Lens

D25 f400

14,15,16,17,18

Bandpass filter

See Table 2

19

Lens

D25 f35

20

Lens

D25 f30