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Baader O-III 4nm Ultra-Narrowband f/2 Highspeed Filter 50.4 mm - CMOS optimized

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

387,00 EUR RRP 416,00 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/2 Highspeed Filter 2" - CMOS optimized

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

359,00 EUR RRP 386,00 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/2 Highspeed Filter 36 mm - CMOS optimized

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

317,00 EUR RRP 341,00 EUR you save 7% (24,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 4nm Ultra-Narrowband f/2 Highspeed Filter 31 mm - CMOS optimized

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

269,00 EUR RRP 289,00 EUR you save 6.9% (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/2 Highspeed Filter 1¼" - CMOS optimized

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

252,00 EUR RRP 271,00 EUR you save 7% (19,00 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/2 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 extremely fast optical systems from...

689,00 EUR RRP 741,00 EUR you save 7% (52,00 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/2 Highspeed Filter 50x50 mm - CMOS optimized

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

538,00 EUR RRP 578,00 EUR you save 6.9% (40,00 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/2 Highspeed Filter 50.4 mm - CMOS optimized

Ø 50.4 mm x 3 mm 3.5 nm FWHM (to harmonize the exposure time with O-III / S-II) Recommended for extremely fast optical systems from < f/2.3...

474,00 EUR RRP 510,00 EUR you save 7.1% (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/2 Highspeed Filter 2" - CMOS optimized

Ø 2" x 2 mm 3.5 nm FWHM (to harmonize the exposure time with O-III / S-II) Recommended for extremely fast optical systems from < f/2.3...

433,00 EUR RRP 465,00 EUR you save 6.9% (32,00 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/2 Highspeed Filter 36 mm - CMOS optimized

Ø 36 mm x 2 mm 3.5 nm FWHM (to harmonize the exposure time with O-III / S-II) Recommended for extremely fast optical systems from < f/2.3...

345,00 EUR RRP 371,00 EUR you save 7% (26,00 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/2 Highspeed Filter 31 mm - CMOS optimized

Ø 31 mm x 2 mm 3.5 nm FWHM (to harmonize the exposure time with O-III / S-II) Recommended for extremely fast optical systems from < f/2.3...

285,00 EUR RRP 306,00 EUR you save 6.9% (21,00 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/2 Highspeed Filter 1¼" - CMOS optimized

Ø 1.25" x 2 mm 3.5 nm FWHM (to harmonize the exposure time with O-III / S-II) Recommended for extremely fast optical systems from < f/2.3...

275,00 EUR RRP 296,00 EUR you save 7.1% (21,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha / O-III / S-II 6.5nm Narrowband f/2 Highspeed Filter-Set 65 x 65 mm - CMOS optimized

Ø 65 x 65 mm x 3 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

1.029,00 EUR RRP 1.106,00 EUR you save 7% (77,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha / O-III / S-II 6.5nm Narrowband f/2 Highspeed Filter-Set 50 x 50 mm - CMOS optimized

Ø 50 x 50 mm x 3 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

829,00 EUR RRP 891,00 EUR you save 7% (62,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha / O-III / S-II 6.5nm Narrowband f/2 Highspeed Filter-Set 31 mm - CMOS optimized

Ø 31 mm x 2 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

445,00 EUR RRP 478,00 EUR you save 6.9% (33,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha / O-III / S-II 6.5nm Narrowband f/2 Highspeed Filter-Set 36 mm - CMOS optimized

Ø 36 mm x 2 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

495,00 EUR RRP 532,00 EUR you save 7% (37,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha / O-III / S-II 6.5nm Narrowband f/2 Highspeed Filter-Set 2" - CMOS optimized

Ø 2" x 2 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

689,00 EUR RRP 741,00 EUR you save 7% (52,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha / O-III / S-II 6.5nm Narrowband f/2 Highspeed Filter-Set 50.4 mm - CMOS optimized

Ø 50.4 mm x 3 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

720,00 EUR RRP 774,00 EUR you save 7% (54,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 6.5nm Narrowband f/2 Highspeed Filter 50.4 mm - CMOS optimized

Ø 50.4 mm x 3 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

252,00 EUR RRP 271,00 EUR you save 7% (19,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 6.5nm Narrowband f/2 Highspeed Filter 2" - CMOS optimized

Ø 2" x 2 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

242,00 EUR RRP 260,00 EUR you save 6.9% (18,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader S-II 6.5nm Narrowband f/2 Highspeed Filter 1¼" - CMOS optimized

Ø 1.25" x 2 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

147,00 EUR RRP 158,00 EUR you save 7% (11,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader H-alpha 6.5nm Narrowband f/2 Highspeed Filter 1¼" - CMOS optimized

Ø 1.25" x 2 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

149,00 EUR RRP 160,00 EUR you save 6.9% (11,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days

Baader O-III 6.5nm Narrowband f/2 Highspeed Filter 65x65 mm - CMOS optimized

Ø 65 x 65 mm x 3 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special...

361,00 EUR RRP 388,00 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 6.5nm Narrowband f/2 Highspeed Filter 2" - CMOS optimized

Ø 2" x 2 mm 6.5 nm FWHM Recommended for extremely fast optical systems from f/3.4 and faster Specially designed for the special filter...

243,00 EUR RRP 261,00 EUR you save 6.9% (18,00 EUR) Valid until 14.04.2026

incl. 19 % VAT excl. shipping costs

delivery time : 3-5 days