Barlows

APM Comacorrecting 1 1/4" ED Barlow 2.7 xAPM Comacorrecting 1 1/4" ED Barlow 2.7 x
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APM Comacorrecting 1 1/4" ED Barlow 2.7 x

APM Comacorrecting 1 1/4" ED Barlow 2.7 x Designed by Gerd Düring / Germany Our totally new photo-visual apochromatic Barlow with real ED glass, calculated for the correction of Off-Axis Coma at Newtonian telescopes. This Barlow allows you to observe planets and deep sky objects at the edge from the 1.25" field of view with the same quality as on axis. Especially Dobsonian user will profit because most time the objects are not exactly centered on axis. The photographic coma corrected fiel ... more

Manufacturer: APM
Prices on www.apm-telescopes.de!

APM Comacorrecting 1 1/4" ED Barlow Element 2.7 xAPM Comacorrecting 1 1/4" ED Barlow Element 2.7 x
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APM Comacorrecting 1 1/4" ED Barlow Element 2.7 x

APM Comacorrecting 1 1/4" ED Barlow Element 2.7 x Designed by Gerd Düring / Germany Our totally new photo-visual apochromatic Barlow with real ED glass, calculated for the correction of Off-Axis Coma at Newtonian telescopes. This Barlow allows you to observe planets and deep sky objects at the edge from the 1.25" field of view with the same quality as on axis. Especially Dobsonian user will profit because most time the objects are not exactly centered on axis. The photographic coma correc ... more

Manufacturer: APM
Prices on www.apm-telescopes.de!

APM 2 inch coma-correcting telecentric 1.5x BarlowAPM 2 inch coma-correcting telecentric 1.5x Barlow
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APM 2 inch coma-correcting telecentric 1.5x Barlow

APM 2 inch coma-correcting telecentric 1.5x Barlow by the well known physicist and optic designer Philipp Keller About 2 years ago APM Telescopes introduced the coma-correcting 2.7 times Barlow designed by Gerd Düring, which enjoys great popularity. New design When our customers asked for a 2 inch version with a smaller magnification factor APM Teleslescopes let the well known physicist and optical designer Philipp Keller calculate a new 1.6x Barlow. All of today's knowledge was inco ... more

Manufacturer: APM
Prices on www.apm-telescopes.de!

APM Comacorrecting 1 1/4" ED Double Barlow 6.25 xAPM Comacorrecting 1 1/4" ED Double Barlow 6.25 x
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APM Comacorrecting 1 1/4" ED Double Barlow 6.25 x

APM Comacorrecting 1 1/4" ED Double Barlow 6.25 x Designed by Gerd Düring / Germany Our worldwide unique photo-visual apochromatic 2.7x Barlow with real ED glass, calculated for the correction of Off-Axis Coma at Newtonian telescopes, can now be combined with a second APM 2.7x Barlow at a specific distance to increase the magnification factor to 6.25x. Needless to say that coma correction is retained as is the corrected flat field. On its own, a single barlow lens cell has a magnific ... more

Manufacturer: APM
Prices on www.apm-telescopes.de!