Vixen Optics BT81S-A Binocular Telescope

Published: October 24, 2011

Vixen Optics’ BT81S-A Binocular Telescope features 3.1-inch (81 millimeters) lenses coated with magnesium fluoride. The unit’s focal length is 480mm at f/5.9. It has a handle and finder bracket, and weighs 9 pounds (4.1 kilograms).
Price: $1,299
[t] 949.429.6363
[w] www.vixenoptics.com

_{This product appeared in the December 2011 New Products page.}

User Comments

Be the first to leave your comment below!

Only registered members of Astronomy.com are allowed to comment on this article. Registration is FREE and only takes a couple minutes.

Register Today!

JAWAID ABBASI from PENNSYLVANIA said:

http://cloudynights.com

Submitted: 5/20/2013 2:56:30 AM (CST)

GEORGE STONEBREAKER from ARKANSAS said:

The Vixen Bino/telescope is very nice but the price shown is very misleading, $1,299.00, is just for the Binos with a handle and finder bracket. By the time you add the saddle, the mount , the tripod, a pair of 25mm eyepices and finder you have $2,000.00 in a 81mm ACHROMAT ! Sure Binocular/telescopes are great, but for less then a third of that I have a WO ZS80 ED II APO, with a WO Binoviewer, a WO 99% reflective mirror Carbon Fiber diagonal and a half dozen eyepieces, riding on a well made used Majestic big format Photo tripod, and you can't get much better than that for a portable grab and go scope, that will double as a guide scope or astrograph. I love to read about new equipment, because it makes me apreciate more what I have already, in my stable of sky cannons.

Submitted: 11/21/2011 10:32:01 PM (CST)

ANTHONY BARREIRO from CALIFORNIA said:

Binocular telescopes are amazing. Our brains process visual information coming through both of our eyes much better than information coming through only one eye. You can see more detail and much more depth in three dimensions.

I don't think it's helpful to compare a small binocular refractor to a larger reflector. Each has strengths and weaknesses. If you're buying a first telescope, the reflector may be the way to go. Hopefully somebody else in your astronomy club will have a binocular scope so you can check it out.

One consideration with binocular telescopes -- you need two sets of eyepieces and filters, and that gets more expensive.

Submitted: 11/4/2011 2:18:53 PM (CST)

DAVE ASH said:

see if you have a local dealer who'll allow a night test. the view through large binoculars is astounding.

Submitted: 11/4/2011 4:46:29 AM (CST)

JAIME DIAZ said:

Ok, but the price is high. How effective can it be ???, versus a 6 inch,celstron refractor, with automatic star researcher, included , for the same price !!!

Submitted: 10/28/2011 12:07:21 AM (CST)

	Sun	Sun	Moon
RISE	—		—	PHASE	—
SET	—		—	DISK	—

	Mercury	Mercury	Venus	Venus
RISE	—		—
SET	—		—
		—		—

	Mars	Mars	Jupiter	Jupiter	Saturn	Saturn
RISE	—		—		—
SET	—		—		—
		—		—		—