OUT OF STOCK
Manufactured using high grade lens, with 40 layers of fully
multi-coated optics and 98% penetration.
This advanced method of
coatings yield super sharp, flat images from galaxies to planetary observing.
These sharp looking plossls eyepiece boast a 55 degree field of view, are
exceptionally baffled, with edge blackened lens, leaving virtually no ghosting
or internal reflections.
Unique design eliminates the need for rubber eye
guards.
Barrels are threaded to accept 1.25'' and 2'' filters.
Dust caps
included to protect lens.
**Classy, sleek look adds to this already
professionally made eyepiece.
Review of the Sterling
series of eyepieces
TO OUR CUSTOMERS: Thank you so much for
your praises & for making the Sterling
Plossl eyepieces so popular!
30MM 2"
Focal length: 30.0mm
Eye relief: 18.0mm
Barrel size: 2 inches
Field of view: 55.0 degrees
Lens construction: four elements in two
groups
Construction: aluminum
Coating: 40 layer fully
multi-coating
Weight: 391g
25MM
Focal length: 25.1mm
Eye relief: 15.0mm
Barrel size: 1.25 inches
Field of view: 55.0 degrees
Lens construction: four elements in two
groups
Construction: aluminum
Coating: 40 layer fully
multi-coating
Weight: 134g
20MM
Focal length: 20.0mm
Eye relief: 12.0mm
Barrel size: 1.25 inches
Field of view: 55.0 degrees
Lens construction: four elements in two
groups
Construction: aluminum
Coating: 40 layer fully
multi-coating
Weight: 97g
17MM
Focal length: 17.0mm
Eye relief: 10.20mm
Barrel size: 1.25 inches
Field of view: 55.0 degrees
Lens construction: four elements in two
groups
Construction: aluminum
Coating: 40 layer fully
multi-coating
Weight: 97g
12.5MM
Focal length: 12.5mm
Eye relief: 7.5mm
Barrel size: 1.25 inches
Field of view: 55.0 degrees
Lens construction: four elements in two
groups
Construction: aluminum
Coating: 40 layer fully
multi-coating
Weight: 85g
6MM
Focal length: 6.0mm
Eye relief: 3.6mm
Barrel size: 1.25 inches
Field of view: 55.0 degrees
Lens construction: four elements in two
groups
Construction: aluminum
Coating: 40 layer fully
multi-coating
Weight: 63g
4MM
Focal length: 4.0mm
Eye relief: 2.4mm
Barrel size: 1.25 inches
Field of view: 55.0 degrees
Lens construction: four elements in two
groups
Construction: aluminum
Coating: 40 layer fully
multi-coating
Weight: 59g
