Vixen PORTA II-A81M Telescope
A great package for the beginner.
The well designed achromatic objective lens with 81mm aperture is a great package for beginning your journey as a serious observer.This optical performance also makes the A81M an ideal choice for astrophotography. To make imaging easier, Vixen integrates a 90° flip mirror with two 1.25" eyepiece holders. For imaging, the rig is set at the back of the diagonal using an optional T-ring screwed directly onto the holder or other imaging configurations, with an eyepiece at the 90° position.
Optical Design | Apochromatic refractor |
Optical Lens Diameter | 81mm |
Focal Length | 910mm |
Focal Ratio | f/11.2 |
Eyepiece Barrel Diameter | 2 x 3.175 cm |
Diagonal | 90°, with internal flip mirror
2 x 1.25" eyepiece holders |
Optical Tube Dimensions(WxL) | Length: 35.0" / 89.1 cm
Diameter: 3.5" / 9.0 cm |
Mount Type | Vixen-style dovetail |
Finderscope | Red-dot finder |
Tripod | 2-Section aluminum |
Weight(OTA only) | 3.5 kg |
Brand: Vixen |
Code: VX39967
Supplier Code: 39967
Brand: Vixen |
Code: VX39967
Supplier Code: 39967
At a glance