Portable Telescope for Astrophotography and Visual Astronomy

The SV503 70F6 ED refractor telescope from the Observation Discovery & Exploration brand is an ideal choice. Weighing only about 2.22 kg and with a retractable dew cap, it measures a compact 318mm/12.52in in length. The included accessories are a 2" to 1.25" Eyepiece adapter, Dew Shield, Lens Cover, 1.25" Dust Cover, 150mm Dovetail Plate, and Optics Tube Ring.

A key feature is the dual-speed focusing system, with a gear ratio of 1:10 on the 2-inch toothed focuser. This combination of constant-speed and fine-speed adjustment allows for precise focusing, essential for astrophotography. The telescope also has precise graduations, further aiding in accurate focus.

The SV503 can be securely mounted using the dovetail plate, ensuring a stable connection to a tripod or other support. Additionally, it features a system to prevent condensation on the telescope lenses by heating them.

This refractor telescope can serve multiple purposes. It can be used as a high-end guide scope, paired with a telescope guide camera. Alternatively, it can function as an entry-level astroimaging lens when paired with an APS half-frame camera.

Comparison to other products in the Observation Discovery & Exploration lineup:

• SV48P Telescope: $299.99
• 1.25 inches UHC Filter: $28.99
• SV405CC Telescope Camera: $799.99
• SV605CC Telescope Camera: $699.19
• SV705C Telescope Camera: $303.99
• SV505C Telescope Camera: $149.99
• SA402 Tripod: $99.99

Key features of the SV503 telescope:

1. FMC lens coating for improved image contrast
2. Double-speed focuser with 1.25" barrel diameter
3. 360-degree rotation
4. 130mm metal dew shield

The SV503 70F6 ED refractor is a versatile telescope suitable for experienced observers and ambitious beginners alike. Its high-quality optics, including an S-FPL51 extra-low dispersion glass element, deliver sharp and high-contrast images for a range of applications, from astrophotography to lunar and nature observation.

product information: