UBVRI Bessel U-Filter 2

UBVRI Bessel U-Filter 2" – photometric

UBVRI Bessel U-Filter 2" – photometric

BAADER PLANETARIUM

Classic photometric filter with transmission according to Bessel – parfocal with all Baader filters of the same size. Equally suitable for modern CMOS cameras as well as for older CCD camera technologies.

266,00 €

Διαθέσιμο κατόπιν παραγγελίας

Διαθέσιμο κατόπιν παραγγελίας
Στην περίπτωση αυτή περιλαμβάνονται προϊόντα που δεν κρατάμε σε στοκ αλλά διατίθενται μόνο κατόπιν παραγγελίας ή έχει προαναγγελθεί η κυκλοφορία τους στην αγορά από τον κατασκευαστή. Τα είδη αυτά αποστέλλονται συνήθως σε 5-14 μέρες. Μόλις λάβουμε την παραγγελία σας, θα σας ειδοποιήσουμε με e-mail ή τηλεφωνικά, για τον ακριβή χρόνο παράδοσης, καθώς και για το ύψος της τυχόν προκαταβολής που θα απαιτηθεί.
Διαθεσιμότητα: Σε απόθεμα
SKU
BA-2961753U


UBVRI Bessel U-Filter 2" – photometric

  • 2" x 2 mm Baader UBVRI-U Bandpass Filter, suitable from f/15 to f/1.8 – with 2" (M48) filter thread
  • Classic photometric filter with transmission according to Bessel – parfocal with all Baader filters of the same size
  • Manufactured with most advanced ion beam coating technology / Daylight-Proof
  • 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
  • Equally suitable for modern CMOS cameras as well as for older CCD camera technologies
  • Mounted in Baader Ultra Low Profile (ULP) filter cell – 5,5 mm height


This new generation of Baader Filters features:

  • Reflex-Blocker™ coatings, for largest ever freedom from halos, even under most adverse conditions concerning aux-optics
  • Identical filter thickness to existing standards, with utmost care for parfocality
  • Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim, to additionally eliminate any reflection due to light falling onto the edge of a filter
  • Each filter coated individually, with sealed coating edge (NOT cut out of a larger plate with coatings left exposed, read more)
  • Life-Coat™: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment

OPTICAL SPECIFICATIONS

  • AR-Coating: Reflex-Blocker™ hard coatedplaneoptically polished
  • CWL (Central Wavelength): UBVRI-U
  • Suitable for f/ratio: f/15 to f/1.8
  • Transmission Range: Transmission according to Bessel
  • Type of Filter: Bandpass

MECHANICAL SPECIFICATIONS

  • Filter mounted: Mounted (LPFC 6mm)
  • Filter shape: round
  • Filter size: 2 inch
  • Filter Thickness (without cell): 2 mm

USAGE & FEATURES

  • Filter Usage: CMOSCCDUBVRI
  • Single or Set?: Single Filter
  • Special Features: Life-Coat™ Warranty
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