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Baader 3.5nm H-alpha / 4nm O-III / 4nm S-II Ultra-Narrowband f/3 Highspeed Filter-Set 65x65mm - CMOS optimized

Ø 65x65mm x 3 mm 3.5 nm FWHM: H-alpha (to harmonize the exposure time from H-alpha with O-III / S-II) 4 nm FWHM: O-III, S-II Recommended for...

1.569,00 EUR RRP 1.687,00 EUR you save 7% (118,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader 3.5nm H-alpha / 4nm O-III / 4nm S-II Ultra-Narrowband f/3 Highspeed Filter-Set 50x50mm - CMOS optimized

Ø 50x50mm x 3 mm 3.5 nm FWHM: H-alpha (to harmonize the exposure time from H-alpha with O-III / S-II) 4 nm FWHM: O-III, S-II Recommended for...

1.208,00 EUR RRP 1.299,00 EUR you save 7% (91,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader 3.5nm H-alpha / 4nm O-III / 4nm S-II Ultra-Narrowband f/3 Highspeed Filter-Set 50.4mm - CMOS optimized

Ø 50.4mm x 3 mm 3.5 nm FWHM: H-alpha (to harmonize the exposure time from H-alpha with O-III / S-II) 4 nm FWHM: O-III, S-II Recommended for...

1.133,00 EUR RRP 1.218,00 EUR you save 7% (85,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader 3.5nm H-alpha / 4nm O-III / 4nm S-II Ultra-Narrowband f/3 Highspeed Filter-Set 36mm - CMOS optimized

Ø 36mm x 2 mm 3.5 nm FWHM: H-alpha (to harmonize the exposure time from H-alpha with O-III / S-II) 4 nm FWHM: O-III, S-II Recommended for fast...

923,00 EUR RRP 992,00 EUR you save 7% (69,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader 3.5nm H-alpha / 4nm O-III / 4nm S-II Ultra-Narrowband f/3 Highspeed Filter-Set 31mm - CMOS optimized

Ø 31mm x 2 mm 3.5 nm FWHM: H-alpha (to harmonize the exposure time from H-alpha with O-III / S-II) 4 nm FWHM: O-III, S-II Recommended for fast...

768,00 EUR RRP 826,00 EUR you save 7% (58,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader 3.5nm H-alpha / 4nm O-III / 4nm S-II Ultra-Narrowband f/3 Highspeed Filter-Set 2" - CMOS optimized

Ø 2" x 2 mm 3.5 nm FWHM: H-alpha (to harmonize the exposure time from H-alpha with O-III / S-II) 4 nm FWHM: O-III, S-II Recommended for fast...

1.048,00 EUR RRP 1.127,00 EUR you save 7% (79,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader 3.5nm H-alpha / 4nm O-III / 4nm S-II Ultra-Narrowband f/3 Highspeed Filter-Set 1¼" - CMOS optimized

Ø 1¼" x 2 mm 3.5 nm FWHM: H-alpha (to harmonize the exposure time from H-alpha with O-III / S-II) 4 nm FWHM: O-III, S-II Recommended for fast...

722,00 EUR RRP 776,00 EUR you save 7% (54,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 4nm Ultra-Narrowband f/3 Highspeed Filter 65x65mm - CMOS optimized

Ø 65x65mm x 3 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements...

529,00 EUR RRP 569,00 EUR you save 7% (40,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 4nm Ultra-Narrowband f/3 Highspeed Filter 50x50mm - CMOS optimized

Ø 50x50mm x 3 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements...

398,00 EUR RRP 428,00 EUR you save 7% (30,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 4nm Ultra-Narrowband f/3 Highspeed Filter 50.4mm - CMOS optimized

Ø 50.4 mm x 3 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements...

390,00 EUR RRP 419,00 EUR you save 6.9% (29,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 4nm Ultra-Narrowband f/3 Highspeed Filter 36mm - CMOS optimized

Ø 36mm x 2 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

320,00 EUR RRP 344,00 EUR you save 7% (24,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 4nm Ultra-Narrowband f/3 Highspeed Filter 31mm - CMOS optimized

Ø 31mm x 2 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

267,00 EUR RRP 287,00 EUR you save 7% (20,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 4nm Ultra-Narrowband f/3 Highspeed Filter 2" - CMOS optimized

Ø 2" x 2 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

362,00 EUR RRP 389,00 EUR you save 6.9% (27,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 4nm Ultra-Narrowband f/3 Highspeed Filter 1¼" - CMOS optimized

Ø 1.25" x 2 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

250,00 EUR RRP 269,00 EUR you save 7.1% (19,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 4nm Ultra-Narrowband f/3 Highspeed Filter 65x65mm - CMOS optimized

Ø 65x65mm x 3 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements...

526,00 EUR RRP 565,00 EUR you save 6.9% (39,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 4nm Ultra-Narrowband f/3 Highspeed Filter 50x50mm - CMOS optimized

Ø 50x50mm x 3 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements...

395,00 EUR RRP 425,00 EUR you save 7.1% (30,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 4nm Ultra-Narrowband f/3 Highspeed Filter 50.4mm- CMOS optimized

Ø 50.4mm x 3 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

386,00 EUR RRP 415,00 EUR you save 7% (29,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 4nm Ultra-Narrowband f/3 Highspeed Filter 36mm - CMOS optimized

Ø 36mm x 2 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

316,00 EUR RRP 340,00 EUR you save 7.1% (24,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 4nm Ultra-Narrowband f/3 Highspeed Filter 31mm - CMOS optimized

Ø 31mm x 2 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

264,00 EUR RRP 284,00 EUR you save 7% (20,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 4nm Ultra-Narrowband f/3 Highspeed Filter 2" - CMOS optimized

Ø 2" x 2 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

358,00 EUR RRP 385,00 EUR you save 7% (27,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 4nm Ultra-Narrowband f/3 Highspeed Filter 1¼" - CMOS optimized

Ø 1.25" x 2 mm 4 nm FWHM Recommended for fast optical systems from f/3.4 to f/2.3 Specially designed for the special filter requirements when...

245,00 EUR RRP 263,00 EUR you save 6.8% (18,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha 3.5nm Ultra-Narrowband f/3 Highspeed Filter 65x65 mm - CMOS optimized

Ø 65 x 65 mm x 3 mm 3.5 nm FWHM (to harmonize the exposure time with O-III / S-II) Recommended for fast optical systems from f/3.4 to f/2.3...

596,00 EUR RRP 641,00 EUR you save 7% (45,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha 3.5nm Ultra-Narrowband f/3 Highspeed Filter 50x50 mm - CMOS optimized

Ø 50x50 mm x 3 mm 3.5 nm FWHM (to harmonize the exposure time with O-III / S-II) Recommended for fast optical systems from f/3.4 to f/2.3...

476,00 EUR RRP 512,00 EUR you save 7% (36,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha 3.5nm Ultra-Narrowband f/3 Highspeed Filter 54.4 mm - CMOS optimized

Ø 54.4 mm x 3 mm 3.5 nm FWHM (to harmonize the exposure time with O-III / S-II) Recommended for fast optical systems from f/3.4 to f/2.3...

416,00 EUR RRP 447,00 EUR you save 6.9% (31,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days