newtonian telescopes

Found in the Classifieds

Photo	Ads	Price	Post Date
	FOR SALE Tele Vue Para Corr Parabola corrector Category: Optics and Accessories By: gmcmanigle (0) Location: San Diego Condition: Like New $400.00	$400.00	8/25/2024 12:12:57 PM Views: 29
	FOR SALE Stellarvue Binoviewer Model BV1 Category: Eyepieces and Accessories By: gmcmanigle (0) Location: San Diego Condition: Like New $450.00	$450.00	8/24/2024 1:23:19 PM Views: 33
	FOR SALE Meade X-Wedge Category: Mounts and Accessories By: Solovey (0) Location: Sebastopol, CA Condition: Like New $450.00	$450.00 SOLD	8/18/2024 2:31:17 PM Views: 61
	FOR SALE Meade LX 90 - 8 Inch. Category: Telescopes By: Solovey (0) Location: Sebastopol, CA ( Northern California ) Condition: Like New $1,700.00	$1,700.00 SOLD	8/14/2024 5:31:18 PM Views: 141
	FOR SALE Vixen VSD-90SS + Vixen Rings Category: Telescopes By: bergerj (0) Location: Stanstead, CA Condition: New $4,800.00	$4,800.00	5/21/2024 9:52:19 PM Views: 267

newtonian telescopes news search results

Developer news items we found relating to newtonian telescopes

Removing star spikes with Cuiv the Lazy Geek

Star spikes, also known as diffraction spikes, are lines radiating from bright stars in images taken with Newtonian telescopes. They occur because of diffraction of light around the secondary mirror's support vanes, also known as the spider vanes. Refracting telescopes, which lack any central obstruction, do not suffer from star spikes and generally offer higher ...