Apochromatic refractor TS Optics 80/540 Photoline Lanthanum OTA - Only tube with accessories, without mounting, without tripod

Astronomy Eye Patch for Telescope Observing Yes, you will look like a pirate. But we are fairly confident that after your first night using this eye patch, you will not leave home without it. It is one of the simplest and yet most effective accessories an amateur astronomer can own - a small addition to your kit that makes every observing session noticeably more comfortable while protecting both your eyes and your facial muscles from unnecessary strain. Why Does Squinting Cause Fatigue? When looking through a telescope eyepiece, most observers instinctively close or squint the eye that is not being...

Binorum Dielectric Advanced 99% Twist-Lock 1.25″ Star Diagonal The Binorum Dielectric Advanced 99% Twist-Lock star diagonal represents a premium optical accessory combining superior reflectivity with an innovative eyepiece retention system. This precision diagonal delivers maximum light transmission while protecting your valuable eyepieces and camera noses from damage through its gentle, secure compression-ring clamping mechanism. Revolutionary Twist-Lock Eyepiece Retention Unlike conventional star diagonals that rely on set screws to secure eyepieces, the Binorum Dielectric Advanced features a sophisticated twist-lock mechanism that secures 1.25″ eyepieces and accessories by simply rotating the red anodized aluminum ring clockwise. This innovative system provides several critical...

GSO Plössl 25mm eyepiece 50° 1.25″ Looking for a reliable eyepiece that handles everyday astronomical observation without breaking the bank? The GSO Plössl 25mm is exactly what you need. It features the classic four-element Plössl design that has maintained a strong reputation in the astronomy community for decades - and for good reason. It offers a balanced combination of field of view, aberration correction, and affordable price, making it an excellent choice for both beginner observers and experienced astronomers looking for a backup or wide-field eyepiece. Four-element Plössl optical design The eyepiece is built around two symmetrically arranged achromatic doublets....