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Lens filters are attached or screwed onto the lens of the optic, on the side facing the object to be observed.

Especially in the case of solar filters, no damaging radiation is allowed into the optic from the outset. This protects the optic and is the safest method of reducing light.

Most lens filters can also be used for photographic lenses.

Products 1 - 18 of 18
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Gerd Neumann jr. ND 0.9 neutral density filter for 100mm and 160mm Aurora flat-field panels
Gerd Neumann jr.
ND 0.9 neutral density filter for 100mm and 160mm Aurora flat-field panels
$ 10.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND 0.6 neutral density filter for 100mm and 160mm Aurora flat-field panels
Gerd Neumann jr.
ND 0.6 neutral density filter for 100mm and 160mm Aurora flat-field panels
$ 10.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND 1.2 neutral density filter for 220mm Aurora flat-field panel
Gerd Neumann jr.
ND 1.2 neutral density filter for 220mm Aurora flat-field panel
$ 15.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND 1.2 neutral density filter for 100mm and 160mm Aurora flat-field panels
Gerd Neumann jr.
ND 1.2 neutral density filter for 100mm and 160mm Aurora flat-field panels
$ 8.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND 0.6 neutral density filter for 315mm Aurora flat-field panel
Gerd Neumann jr.
ND 0.6 neutral density filter for 315mm Aurora flat-field panel
$ 29.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND1.2 neutral density filter for 315mm Aurora flat-field panel
Gerd Neumann jr.
ND1.2 neutral density filter for 315mm Aurora flat-field panel
$ 29.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. Neutral density filter ND0.9 for 750mm Aurora Flatfield illuminated film
Gerd Neumann jr.
Neutral density filter ND0.9 for 750mm Aurora Flatfield illuminated film
$ 83.00
ready for shipping in 3-5 weeks
Gerd Neumann jr. Neutral density filter ND0.6 for 750mm Aurora Flatfield illuminated film
Gerd Neumann jr.
Neutral density filter ND0.6 for 750mm Aurora Flatfield illuminated film
$ 83.00
ready for shipping in 3-5 weeks
Gerd Neumann jr. Neutral density filter ND1.2 for 750mm Aurora Flatfield illuminated film
Gerd Neumann jr.
Neutral density filter ND1.2 for 750mm Aurora Flatfield illuminated film
$ 83.00
ready for shipping in 3-5 weeks
Gerd Neumann jr. Neutral density filter ND0.9 for 590mm Aurora Flatfield illuminated film
Gerd Neumann jr.
Neutral density filter ND0.9 for 590mm Aurora Flatfield illuminated film
$ 41.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. Neutral density filter ND0.6 for 590mm Aurora Flatfield illuminated film
Gerd Neumann jr.
Neutral density filter ND0.6 for 590mm Aurora Flatfield illuminated film
$ 41.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. Neutral density filter ND1.2 for 590mm Aurora Flatfield illuminated film
Gerd Neumann jr.
Neutral density filter ND1.2 for 590mm Aurora Flatfield illuminated film
$ 41.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND 0.9 neutral density filter for 220mm Aurora flat-field panel
Gerd Neumann jr.
ND 0.9 neutral density filter for 220mm Aurora flat-field panel
$ 15.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND 0.6 neutral density filter for 220mm Aurora flat-field panel
Gerd Neumann jr.
ND 0.6 neutral density filter for 220mm Aurora flat-field panel
$ 15.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND 0.9 neutral density filter for 315mm Aurora flat-field panel
Gerd Neumann jr.
ND 0.9 neutral density filter for 315mm Aurora flat-field panel
$ 20.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND0.9 neutral density filter for 420mm Aurora flat-field panel
Gerd Neumann jr.
ND0.9 neutral density filter for 420mm Aurora flat-field panel
$ 29.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND0.6 neutral density filter for 420mm Aurora flat-field panel
Gerd Neumann jr.
ND0.6 neutral density filter for 420mm Aurora flat-field panel
$ 29.90
ready for shipping in 3-5 weeks
Gerd Neumann jr. ND1.2 neutral density filter for 420mm Aurora flat-field panel
Gerd Neumann jr.
ND1.2 neutral density filter for 420mm Aurora flat-field panel
$ 29.90
ready for shipping in 3-5 weeks