Tele Vue Bandmate H-Beta Filter

Tele Vue Bandmate H-Beta Filter

£129.00✓ 2 year warranty
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Out of stock due 20-25 working days

About this product

Model:  tv_bandmate_hbeta_1.25

Tele Vue Bandmate H-Beta filter

Designed and manufactured exclusively for Tele Vue by Astronomik. 

Every filter is first tested by Astronomik on a spectrograph to ensure the coating meets design specifications, then optically tested by Tele Vue at high magnification to ensure no image degradation. 

Ten-year warranty against manufacturing defects. 

FILTER FEATURES

  • Manufactured exclusively for Tele Vue by Astronomik. 
  • Passes the hydrogen-beta emission lines found in the Horsehead, California and other hydrogen emitting nebulae. 
  • Blocks skyglow from artificial lighting. 
  • Effective for viewing objects that take up the entire field - even when using wide angle eyepieces.
  • Tested by Astronomik on a spectrograph. 
  • Optically tested by Tele Vue at high magnification. 
  • Ten-year warranty against manufacturing defects. 

Transmission Curve

Specifications

Model 3-6mm
Focal Length (mm) 3-6
Barrel Size (in.) 1¼"
Apparent Field of View (deg.) 50
Eye Relief (mm) 10
Weight (lb / oz) 0.33 / 5.3
Field Stop (mm) 5.1 - 2.6

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