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Vixen Porta II Alt-Az Mount

Item # VX-5863
2 Questions(s)

Availability: In stock



Quick Overview

  • The Vixen Porta II Mount is a deluxe version of the now-famous alt-azimuth Porta Mount.
  • Two flexible slow motion control handles adjust movement in altitude and azimuth (up, down, right and left) and includes an tension-adjustment/friction system for manual slewing.
  • The Vixen Porta II Mount accepts a universal dovetail plate - allowing the attachment of any compatible telescope or binoculars.
  • Includes Vixen dovetail mounting slot compatible with Sphinx and Great Polaris and will support a total load of up to twenty pounds!

Vixen Porta II Mount

The lightweight alt-az "Porta" mount can be the heart of an exceptionally portable telescope/mount system. The Vixen Portamount II features a newly designed friction system for quickly pointing toward the target and tracking it with the 360° slow-motion controls. No fumbling with clutches or sectional slow-motion controls! Leave the heavy counterweights with the equatorials: simply balance scopes up to 155mm diameter on the altitude axis and start viewing!

The Vixen Porta Mount II comes equipped with two fine adjustment handles for whole circle slow motion in both directions - a necessity when searching for and tracking celestial objects. Or how about adjusting the friction level so the mount simply stays where you put it? In addition, the Vixen Porta is a great mount for terrestrial viewing, too. Its gear drives make it a simple matter to precisely track a planet or a ship on the horizon by just turning the elevation and/or azimuth control handles.

The Porta in this Vixen mount's name stands for "portability"... and with good reason. It weighs only 12 pounds including tripod - yet will support a payload of 20. The “World-Standard” dovetail attachment system on Porta II was developed by Vixen. This allows the Vixen Porta II Mount to accept various dovetail mounted optical tubes and binoculars - making it a splendid travel companion for hikers, birdwatchers, traveling astronomers and more!

Standard Vixen dovetail mounting slot with lock and safety screw is fully Vixen Sphinx and Great Polaris-compatible. Mounting slot removes to reveal ¼"-20 and M8-1.25 threaded holes for custom mounting solutions for your scope, too!. The PortaMount II features switchable slow-motion knobs, tension adjustment and disassembly tools, built-in tool storage bay, tripod tray and aluminum legs.

Words on the Vixen Porta II Mount

"For so many years the beginning astronomer was forced to buy a mount that was unstable and almost useless when viewing at high power. More often than not, the frustration of using an unstable mount resulted in the telescope only being used for one night and being left in a closet to collect dust. The Porta II mount changes all that. It is one of Vixen's proudest designs. The combination of smooth movement, rigid design and stable platform makes your first use a pleasure and will bring you back to view more and more of the night sky." -- Mr. StarGuy

Vixen Porta II Mount Features...

  • Dovetail plate attachment system.
  • One bolt standardized for easy tripod changes.
  • No locks or clutches to worry about.
  • 120 tooth wheel gears whole circle movement.
  • Aluminum 2 section adjustable tripod.
  • Tripod legs adjustable from 90cm to 130cm.
  • Flexible elevation and or azimuth control handles.
  • Accessory tray and tension adjustment tools included.
Vixen Product Number: VX-5863
SKU VX-5863
Head Design Alt-Azimuth
Tripod or Pier Included? Yes
GPS Included? No
Electronics Included None/ Manual
Manufacturer Vixen
Warranty 5 Year Warranty
Hand Controller Included None - None Available
# of Counterweights Included 0
Weight of Counterweights 0
Objects in Database N/A
Saddle Width V Series
Weight Capacity 20 lbs.
Leg Length 35.4" to 51"
Accessory Tray Included? No
Material Aluminum
Power Supply Included None - Does Not Require Power
Tracking Modes Alt-Azimuth
Latitude Range Not Provided By Manufacturer
Weight of Tripod/Monopod Not Provided By Manufacturer
Weight of Head Not Provided By Manufacturer
  • Vixen Porta II Mount
  • Aluminum Tripod
  • Slow Motion Controls
  • Accessory Tray
  • Tension Adjustment Tools
  • Built-in Tool Storage
  • Vixen Dovetail Mounting Slot
  • Custom ¼"-20 and M8-1.25 Mounting Area

Product Questions

I have an explore scientific refractor, 127ED. It weighs 22.5lbs with the mounting rings. Would this be pushing the weight limit too much? I have it mounted on an Orion skyview pro goto mount that has also has a 20Lb payload but it handles it ok.
Will the Vixen Porta Mount (version I or II) handle the Vixen VMC200, 8-inch catadioptric? Outer diameter of OTA is about 10 inches. Weight of OTA alone is 13 lbs, but 15-16 lbs with heavy accesories (2" diagonal, eyepice, finder).

Customer Reviews

A great product for a decent price Review by belgrade
1= Houston, We Have a Problem & 5= It's Out of This World
I have bought this product recently, when OPT had great dela on selective Vixen products, so I paid for the mount/tripod even less than it's regualrly sold for - plus I received that famous 5% discount from OPT! First, I am very happy with OPT, I always have been, they take care of you. I never had a problem whatsoever, even once when I had to return a pair of binos (not due to their fault). This product arrived very fast and in perfect condition (even the outer box). Second, I tried it so far only with the achromatic refractor, Vixen A80Mf, the one Port II isregulrly sold as a package. I bought the scope as a demo unit over a year ago from another retailer. That package worksvery well and I am very p[lease with smuthness of the motion on both axis. Dumpening time is very short with normal 1.25" eyepieces and the diagonal. I'd say couple fo seconds tops. It keeps the weight of the scope and its basic accessories well. The tripod, when extended, is quite high but with a medium FL refractor like the one I use it's still required that one goes pretty much to his knees to look through the optical viewfinder - but not the eyepiece - when the scope points straight up, to the zenith. Slow motion controls work well though I think their coupling with the mount head (screws) could be executed better. It leaves sort of flimsy feeling. Not that they fell off so far, it's just that the connection does not seem really secure because it is not as easy to tighten the screws (one for each contorl) as it should be. I will try this mount with my Celestron NexStar 102GT refractor (another product purchased from OPT over a year ago when they had that crazy sale of them for unbelievably cheap - and excellent product, btw!) but I doubt the performance will be as good considering it's physical size (length and weight) and also that I will try it with 2" accessories. Thoguh I didn't try it with a small SCT or Mak (6" or smaller) or a small reflector (5" or smaller), my understaind from posts around the net is that this muunt does very well handling any of them. Maybe someone else with personal expereince can chip in to comment that. Overall, highly recommended and a great buy if you dont' care for EQ and/or Go-To mounts. (Posted on 4/17/14)
Modified Vixen Porta II Review by Jasper1
1= Houston, We Have a Problem & 5= It's Out of This World
Mount is very functional but the tripod does not keep with the mount quality. I modified the mount to fit the Meade Giant field tripod making the unit first class. (Posted on 4/6/14)
Vixen Porta Mount Review by Pat Goodspeed
1= Houston, We Have a Problem & 5= It's Out of This World
This mount, in my opinion, is one of the best kept secrets for a low cost mount. I have used it with my Vixen 80mm semi-apo and my 5 Celestron SCT. The slow motion controls are quite good for Land or Sky!! It is very portable...You can pick up the entire assembly and get far away from the Astro-Photography Geeks!! Ha Ha (That's a joke (Posted on 4/23/10)

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1= Houston, We Have a Problem & 5= It's Out of This World

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