William Optics Riser Block for 51 Ring | M-BK51-BL

William Optics Riser Block for 51 Ring | M-BK51-BLLength 65 mm Width 38 mm Height 20 mm Telescope Cat 51 MiniCat Z 61

a feldspar mineral celebrated for its mesmerizing labradorescence—a play of iridescent colors that shimmer in hues of blue

any white light is a detriment

25" filter (or a Blaze grating) on 2" eyepieces or on cameras with a fixed 2" filter thread (and a sufficiently small sensor) on which the Baader 1 1/4" / T-2 plug-in connection with Safety Kerfs #2458106 cannot be used or if a screw connection to the telescope is preferred

You do not need to level your mount

but the contribution of H-beta to emission lines in nebulae is frequently overlooked

the Ultra series boasts a narrower FWHM of 2

EAGLE comes with a Inclinometer to measure inclination of your telescope: The Inclinometer sensor built into the EAGLE measures the elevation of your telescope with respect to the horizon level

No Amp Glow

Glasspath Correctors 1:1

while the FeTone® feature

so you can use your smartphone confidently to scan the skies

Filter Thread: At the end of the OTA