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Vixen Porta II-A81M refractor telescope

Vixen Porta II-A81M refractor telescope features A81M achromatic refractor, Porta II altazimuth mount, eyepieces, finder view, flip mirror, tripod and mounting rings.

1 021,00 €

Pack description

Vixen Porta II-A81M refractor telescope features A81M achromatic refractor, Porta II altazimuth mount, eyepieces, finder view, flip mirror, tripod and mounting rings.

Lens diameter 81 mm, focal lenght 910 mm, focal ratio F/11.4. Scope of delivery: NPL 20 mm and 6 mm eyepieces (46x and 151x), Red Dot finder view, 60 mm focuser, 50.8 mm (2") eyepiece holder, 31.8 mm (1.25") flip mirror with 42 mm T thread, dovetail bar and mounting rings.

Aluminium AL130WT tripod, height adjustable 94 cm up to 145 cm.

Total weight about 9.2 kg.

Pack content

Vixen A81M OTA achromatic refractor features 81 mm diameter, 910 mm focal lenght, F/11.2 focal ratio, multicoated optics. Accessories: mounting rings, dovetail bar, 1.25" Flip mirror, carry handle, 60 mm focuser, XY Red Dot finder view.

A81M

Achromatic objective : D=81mm F=910mm (f11.2), multicoated optics
Resolving powerLimiting magnitude : 1.43 arc seconds
Limiting magnitude : 11.3
Light gathering power : 134x unaided eye
Finder scope : XY Red dot finder (1x aiming device)
Adapter thread  : 60mm and 42mm for T-ring
Visual back : 50.8mm and 31.7mm push fit with the supplied Flip mirror diagonal
Accessories : Tube rings, Dovetail tube plate, Flip mirror diagonal, Carry strap
Photography applicable to : Prime focus and Eyepiece projection
Size and weigh : 90mm dia. x 890mm long and 3.5 kg / 7.7 lb

"

For many years the amateur early in his career he was forced to buy frames unstable and most of the time useless at high magnifications. Often, the frustration of using a door frame is unstable to use the telescope for a few nights and then store it in the basement. The frame DOOR II revolutionizes everything! The combination of sweet micrometric movements, a robust and stable will make the use of the telescope a pleasure and you allow you to see many more objects of the night sky.

The frame is equipped with two knobs to motions micrometer to move in both directions. These micrometric movements are very useful when searching and observe celestial objects. It is also an excellent frame for terrestrial observations. The gear wheels make it very easy to chase a celestial body or a boat on the horizon.

The attack dovetail allows assemble many types of optical tubes. As optional accessory is also a bar L to mount telescopes and binEyepieces.

FEATURES
FeaturesHead PORTA II Altazimuth with: ITALY
    • micrometric movements with continuous control via knobs
    • locking system autofrizionato: you can move the frame with knobs or manually without having to loosen any lock
    • Adjustable clutch with set keys provided that tucks away in a handy hidden compartment
    • oddments tray
Weight head altazimuth2 kg (5.7 kg with the tripod) Load capacity7.6 Kg Sprockets120denti, duralumin, for the motion micrometer in height and azimuth ConnectionDovetail, Standard Vixen 44mm Tripod Tripod AL130WT aluminum, adjustable in height from 94 to 145cm. "

Vixen NPL 20 mm Plössl eyepiece with 31.8 mm / 1.25" barrel. Eye relief 15 mm, apparent field of view (AFOV) 50°. Multi-layer coatings on all of the optical surfaces.

The Vixen NPL Plössl eyepieces series has a very high quality versus price ratio and ensures exceptional performance in all of the astronomical observations. Vixen means quality and Skypoint Srl highly reccomend these eyepieces.

The optical scheme is the classic Plössl with 4 symmetric elements, multi-layer coatings on all of the optical surfaces and black-edge lenses for optimal suppression of undesiderable reflections. Total light transmission is very high, as well as optical correction, so these eyepieces are optimal performes in all of the astronomical observation fields.
The twist-up dewhsield (available in the 20, 25, 30 and 40 mm focal lengths) allows to adjust eye placement. Barrel is blackened and has a standard thread for 31.8 mm / 1.25" filters and other accessories.
The Vixen NPL eyepieces series works with any telescope of any optical scheme, they are universal eyepieces.

Features

  • Focal length: 20 mm
  • Eye relief: 15 mm
  • Apparent field of view: 50°
  • Optical design: Plössl
  • Eyepiece barrel: 31.8 mm / 1.25"
  • Multi-layer coatings on all of the optical surfaces
  • High quality construction

Vixen NPL 6 mm Plössl eyepiece with 31.8 mm / 1.25" barrel. Eye relief 3 mm, apparent field of view (AFOV) 50°. Multi-layer coatings on all of the optical surfaces.

The Vixen NPL Plössl eyepieces series has a very high quality versus price ratio and ensures exceptional performance in all of the astronomical observations. Vixen means quality and Skypoint Srl highly reccomend these eyepieces.

The optical scheme is the classic Plössl with 4 symmetric elements, multi-layer coatings on all of the optical surfaces and black-edge lenses for optimal suppression of undesiderable reflections. Total light transmission is very high, as well as optical correction, so these eyepieces are optimal performes in all of the astronomical observation fields.
The twist-up dewhsield (available in the 20, 25, 30 and 40 mm focal lengths) allows to adjust eye placement. Barrel is blackened and has a standard thread for 31.8 mm / 1.25" filters and other accessories.
The Vixen NPL eyepieces series works with any telescope of any optical scheme, they are universal eyepieces.

Features

  • Focal length: 6 mm
  • Eye relief: 3 mm
  • Apparent field of view: 50°
  • Optical design: Plössl
  • Eyepiece barrel: 31.8 mm / 1.25"
  • Multi-layer coatings on all of the optical surfaces
  • High quality construction