Bresser EXPLORE SCIENTIFIC 1.25 Variable Polarizing Filter

Universally usable  variable polarizing filter  with a   1.25" filter thread .
This  variable polarizing filter  allows for a  continuous adjustment  of the  image brightness . This is very helpful to level  strong differences in contrast  of different observation objects individually. Particularly for  lunar and planetary observations  but also for  solar observations  this  filter  prevents an  outshining  of details.

Solar observations ONLY together with an adequate solar filter !!! 

Particularly when a  Herschel wedge  is used and with  large objective lens apertures  the use of the  variable polarizing filter  can reduce the brightness of the observation object to a confortable level. 
The  large adjustment range  of  40%  to  1% light transmission  and the  neutral grey filter effect  create a comfortable and unadulterated image.
The handling is very simple. The desired filtering level is set by turning the two sides of the housing against each other.
A  1.25" filter thread  on both sides  (female/male)  allow for the simultaneous use of additional  colour filters .

FEATURES

• variable polarizing filter
• individually adjustable image brightness
• made from high-quality optical glass
• black anodized aluminium housing
• 1.25" filter thread on both sides

SCOPE OF DELIVERY

• polarizing filter
• protective box