The making of robust and highly performing imaging spectropolarimeters for large solar telescopes

Open Access

Table B.4

12 μm pixel size camera lens for EST-B narrowband.

No.	Radius (mm)	Thickness (mm)	Lens dia (mm)	Glass	Label
23		420.74			P2
24	1248.34	15	88	N-FK51A	L4
25	−130.41	14.48	88		L4
26	−124.35	5	88	PBL1Y	L4
27	−419.51	3.15	88		L4
28	736.58	12	88	N-SK5HTI	L4
29	−1328.11	188.27	88		L4
30		100		SILICA	PBS
31		120			F3

Notes. The camera lens is optimised to reduce image scale variations. P2 is the second pupil stop, F3 is the final focal plane, L4 is an air spaced triplet lens, and PBBS is the polarising beam splitter.

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