Baader Steplessly variable diaphragm 13 - 113mm

$397.00
Article number: IRIS
Availability: More on the Way to us
Delivery time: More on the Way to us
  • Steplessly variable, white anodized and heat reflecting diaphragm from 13- to 113 Millimeter for our D-ERF Filters
  • For optimum adjustment of a telescope aperture when observing with an H-alpha filter from Solar Spectrum (also suitable for other brands)
  • The diaphragm has four telescope-sided M3-threads on a pitch circle radius of 60 mm to fasten also on a DIY-holder.
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