TS Optics Apochromatic refractor AP 70/420 CF-APO 70 FPL55 Triplet OTA (70672)

The TS Optics Apochromatic Refractor AP 70/420 CF-APO 70 FPL55 Triplet OTA is a compact, high-quality telescope designed for advanced users and astrophotographers. With its triplet apochromatic lens using FPL55 glass, it delivers sharp, color-accurate images of the night sky. Lightweight and portable, this telescope is ideal for deep-sky, planetary, and lunar observation, and is well-suited for travel or field use. TS Optics, a brand of Teleskop-Service, is known for its precision and reliability in astronomical equipment.

Optical Specifications

• Type: Refractor (Apochromat)

• Lens design: Triplet (FPL55)

• Aperture: 70 mm

• Focal length: 420 mm

• Aperture ratio: f/6

• Resolving capacity: 1.97 arcseconds

• Limiting magnitude: 11

• Light gathering capacity: 100 times the human eye

• Maximum useful magnification: 140x

• Tube weight: 2.6 kg

• Tube diameter: 76 mm

• Tube length: 300 mm

• Coating: Fully multi-coated (FMC)

• Stray light baffles: Yes

• Dew cap diameter: 88.5 mm

Focuser Features

• Type: Rack and pinion

• Eyepiece connection: 2"

• Camera-side thread: M54

• Free aperture: 51 mm

• Motorized: No

• Ring clamp: Yes

• Load capacity: 6 kg

• Gear reduction: Yes

• Rotating: Yes

Mount and Accessories

• Mounting: Optical Tube Assembly (OTA, no mount included)

• Dew shield: Yes

• Corrector: Not included

• Prism rail: Vixen-style

• Carrying handle: Yes

• Transport case: Yes

• Finder base: Vixen/Skywatcher compatible

• Eyepiece adapter: 2" / 1.25"

• Tube clamps: Yes

• Test protocol: Included

Application Areas

• Astrophotography: Yes (very good)

• Moon & planets: Yes

• Nature observation: No

• Nebulae & galaxies: Yes

• Sun: No (only with appropriate solar filter)

Recommended For

• Beginners: No

• Advanced users: Yes

• Observatories: No

This telescope is an excellent choice for advanced astronomers seeking a portable, optically superior instrument for imaging and visual observation of the night sky.