BORG Apochromatic refractor AP 55/200 55FL OTA Set (61141)

SPECIFICATIONS

Optics

Type: Refractor

Build Type: Apochromat

Aperture (mm): 55

Focal Length (mm): 200

Aperture Ratio (f/): 3.6

Resolving Capacity: 2.51

Limit Value (mag): 10.5

Light Gathering Capacity: 60

Max. Useful Magnification: 110

Tube

Weight (kg): 1.2

Diameter (mm): 60

Length (mm): 190

Material: Aluminium

Coating: Multiple

Tube Construction: Full Tube

Fully Corrected Field (mm): 43

Focuser

Connection to Eyepiece: 2

Connecting Threaded Socket (Camera-Side): M57

Backfocus (mm): 60

Free Aperture (mm): 50.8

Adjustment Range (mm): 17

Rotating: Yes

Mount

Build Type: OTA

Mounting Type: No Mount

Included Accessories

Corrector: Integrated

Thread for Camera Tripod: Yes

Dew Shield: Yes

Prism Rail: Without

Tube Clamps: No

General

Total Weight (kg): 0.6

Area of Application

Astrophotography: Yes (very good)

Moon & Planets: Yes

Nature Observation: Yes

Nebulae & Galaxies: Yes

Sun: No (Only with appropriate Sun filter)

Recommended for

Beginners: No

Advanced: Yes

Observatories: No