Explore Scientific 2" Variable Polarizing Filter
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Explore Scientific 2-Inch Variable Polarizing Filter - 310250
Universally applicable variable polarizing filter with 2 "filter thread . This variable polarizing filter allows continuous adjustment of image brightness . This is very helpful to strong contrast differences compensate individually to various observation objects. Especially with the Lunar and planetary observation but also in solar observing this prevents filter a blooming of the finest details.
Sun observation only in connection with a suitable sun protection filter!
Especially when using a Herschel wedge and with large lens openings, the variable polarization filter can reduce the brightness of the objects to be observed to a comfortable level. The wide control range of 40% to 1% light transmission and the neutral gray filter effect create a pleasant and unadulterated image.
Operation is very simple. By turning the two halves of the housing, the desired strength of the filter effect is set. Two-sided 2 "filter thread (inside / outside) yet, the simultaneous use of other color filters.
Features:
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Variable polarizing filter
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Individually adjustable image brightness
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Made from highly parallel optical glass
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Black anodized aluminum housing
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2 "filter thread on both sides
What's included:
✓ Explore Scientific 2" Variable Polarizing Filter - 310250
✓ Dust Cover