Tecnosky Apochromatic refractor AP 70/420 ED V2 OTA (57326)

The Tecnosky Apochromatic Refractor AP 70/420 ED V2 OTA is a lightweight and compact telescope, perfect for travel and mobile astronomy. Weighing only about 2 kg and measuring just 30 cm in length with the dew cap retracted, it is easy to transport and set up anywhere. Its high-quality two-element objective delivers sharp, high-contrast images and supports magnifications up to approximately 180x, making it suitable for observing planetary details. The precise 2" rack and pinion focuser, with micro-reduction, ensures stable and accurate focusing, even with heavy photographic accessories, making this telescope an excellent choice for astrophotography.

Optics

• Type: Refractor

• Optical Design: Apochromat

• Aperture: 70 mm

• Focal Length: 420 mm

• Aperture Ratio: f/6

• Resolving Capacity: 1.64 arcseconds

• Limiting Magnitude: 11

• Light Gathering Power: 100x compared to the human eye

• Maximum Useful Magnification: 140x

• Coating: Fully Multi-Coated (FMC)

• Tube Weight: 1.86 kg

• Tube Material: Aluminium

• Tube Diameter: 77 mm

• Tube Length: 315 mm

• Tube Construction: Full tube

• Lens Design: Doublet

Focuser

• Eyepiece Connection: 2"

• Adjustment Range: 73 mm

• Type: Crayford (RAP - rack and pinion)

• Fine Focus Ratio: 1:10

• Backfocus: 135 mm

Mount

• Mounting Type: No mount included

• GoTo Control: No

• Type: Optical Tube Assembly (OTA)

Included Accessories

• Eyepiece Adapter: 2" / 1.25"

• Prism Rail: L-bracket

• Dew Shield: Yes

• Thread for Camera Tripod: Yes

• Transport Case: Not included

• Carry Case: Not included

• Deviating Optics: Not included

Recommended For

• Beginners: No

• Advanced Users: Yes

• Observatories: No

Additional Notes

• The telescope can be mounted directly on photo tripods or adapted for altazimuth and equatorial mounts using dovetail bars.

• Suitable correctors are recommended for astrophotography to ensure a flat image field, especially for deep-sky imaging.

• The focuser is designed to securely hold even heavy cameras and accessories, providing stable and precise focusing for imaging and observation.