Baader O-III 2" unmounted (Ø 47,4 mm) f/2 Highspeed-Filter (6.5nm) for FCCT – CMOS-optimized

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Baader O-III 2" unmounted (Ø 47,4 mm) f/2 Highspeed-Filter (6.5nm) for FCCT – CMOS-optimized

# 2961228U

€ 228.00 Price excl. German VAT tax (19%): € 191.60

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  • 47.4 mm (2" w/o cell) x 2 mm Baader O-III f/2 Highspeed Filter – Precision Grade
  • 6.5 nm FWHM, recommended for extremely fast optical systems from f/3.4 to f/1.8
  • Specially designed for the special filter requirements when used with fast optics like the Celestron RASA astrographs
  • Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
  • Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
  • Optimized for modern CMOS cameras, but likewise excellent for CCD camera technologies

Product Questions

Sort by ASC
What's the actual size of your 2" filters in "mm" with and without frame/ring? What step down adapter is suggested from a 52 mm to "-- mm"?
156
Question by: Waqas Ahmad on Oct 10, 2016 7:54:00 PM | 1 Answer(s)
What are the threads and pitch of your 1.25" and 2" filters?
39
Question by: Anders G. on Sep 20, 2017 12:55:00 PM | 1 Answer(s)
Specifications

Additional Information

Manufacturer Baader Planetarium
SKU (#) 2961228U
EAN Code 4047825050984
Net weight (kg) 0.07
Colour Black
Transmission Range O-III
Filter Thickness (without cell) 2 mm
HBW (Halfbandwidth) 6.5 nm
CWL (Central Wavelength) 500,7 nm
AR-Coating Reflex-Blocker™ hard coated, planeoptically polished
Special Features CMOS-optimiert mit Life-Coat™
Filter size 47.4 mm (2" w/o cell)
Filter Usage CMOS, CCD, O-III
Filter mounted Unmounted
Type of Filter f/2 Highspeed
Single or Set? Single Filter
Filter shape round
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