Vixen Optics ED81S 80mm f/8 Apochromatic Refractor Telescope (OTA Only)

Vixen Optics ED81S 80mm f/8 Apochromatic Refractor Telescope (OTA Only)

Vixen Optics ED81S 80mm f/8 Apochromatic Refractor Telescope (OTA Only)

B&H # VIED81SRT MFR # 26082
Special Order
Free Standard Shipping on Orders Over $49
Expected availability: 7-14 business days

Product Highlights

  • 81mm Apochromatic Refractor
  • 625mm Focal Length, f/8 Focal Ratio
  • Anti-Reflection Fully Multicoated Optics
  • Super Low-Dispersion (SD) Glass Lens
  • 1.25" Rack-and-Pinion Focuser
  • 90° Flip Mirror Diagonal
  • Red Dot Finderscope
  • Mounting Ring Set with Carry Handle
  • Vixen-Style Mount and Tripod Required
  • Made in Japan
Show moreShow less

This product may contain mercury. Consult your local environment authorities for regulations regarding how to properly dispose of products containing mercury.

Enter to win a $1000 B&H Gift Card!

Share a favorite product for chances to win one of four $1000 B&H Gift Cards! 1 new winner announced every Monday starting Dec 11th!
Limit 1 entry per day; Come back every day to increase your chance of winning!

Be sure to mention #BHWishList when you share!

Share on Twitter

Congrats to our winners so far:

Gabrielle P

Next winner: 12/18/2017

Official Rules

OFFICIAL B&H $1,000.00 GIFT CARD DASH SWEEPSTAKE RULES

NO PURCHASE IS NECESSARY TO ENTER OR WIN. The B & H $1,000.00 Gift Card Dash (the "Sweepstakes") is void where prohibited by law and is sponsored by B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 ("Sponsor"). It is not sponsored or endorsed by Facebook or Twitter in any way.

Entry Period/Methods of Entry. The Sweepstakes will run from on or about December 4, 2017 until on or about December 31, 2017 (the "Entry Period"). Entries received outside the Entry Period are void. Enter the Sweepstakes via either one of the following methods. (1) Share any product found on the B&H website (the "Website") on Facebook or Twitter via the dedicated links contained on the Website using the hashtag #BHWishList; or (2) Mail a postcard (postmarked during the Entry Period) containing your name, address, phone number, and email address, and indicate the subject(s), if any, about which you are interested in receiving future emails from B&H (e.g. photo, video, audio, computers, home theater, portable entertainment ) (optional) to: B&H $1,000.00 Gift Card Dash Sweepstakes, c/o B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 (either option, an "Entry"). Entries must not, in the sole and absolute discretion of the Sponsor, contain obscene, provocative, defamatory, sexually explicit, or otherwise objectionable or inappropriate content. Entries deemed by Sponsor to be inappropriate will be disqualified. Entries owned by a third party, or the use of any trademarks, service marks, logos, brands, or products owned by a third party are not acceptable for entry into the Sweepstakes. Limit 1 entry per person, per day.

Winner Selection/Prizes/Odds. The B&H Social Team will randomly select a winner from among all eligible entries every Monday during the Entry Period, for a total four (4) winners (each a "Winner"). Each Winner will receive a B&H Gift Card pre-valued in the amount of $1,000.00. No cash or other substitutions will be offered. Winner selection is in the sole and absolute discretion of the B&H Social Team. Any taxes are the sole responsibility of the winner. Winners will be notified and receive their prize at the email address associated with the account to which their Entry was posted or the email account provided with a mail-in entry. The odds of winning depend on the number of eligible entries received.

Identity of Winners/Eligible Participants. Winners will be identified by the email account associated with the Facebook or Twitter account from which their Entry was submitted or the email account provided with a mail-in entry. An email account holder shall mean the natural person assigned to such email account by the internet access or online service provider or other organization responsible for assigning email addresses for the domain associated with such email account. Any issues regarding the identity of a Winner shall be resolved by Sponsor in its sole discretion. The Sweepstakes is only open to residents of the United States that are at least eighteen (18) years of age on their entry date and is not open to employees of Sponsor, their immediate family, any person domiciled with such employees, or any affiliates or subsidiaries of Sponsor.

Entry Ownership/Entrant Agreements. Entrants retain full ownership and copyrights to their Submission. However, by entering the Sweepstakes entrants grant Sponsor permission to use their Entries for promotional purposes on their respective social media channels with proper credit. Entrants also agree: (a) to be bound by these Official B&H $1,000.00 Gift Card Dash Sweepstakes Rules; (b) that any claims related to this Sweepstakes shall be resolved individually without resort to any form of class action and that awards, shall be limited to actual out-of-pocket costs incurred in entering the Sweepstakes, and shall not include incidental or consequential damages or attorneys fees; and (c) that any actual or perceived ambiguities in these rules shall be interpreted by Sponsor in their sole discretion.

Limitation of Liability/Sponsor Modification/Cancellation Rights/ Choice of Law/ Venue/ Winners List. Sponsor is not responsible for incomplete entries or for failure to receive entries due to technical failures or human error of any kind. Winners agree that Sponsor will have no responsibility for losses or damage of any kind resulting from the acceptance, possession, or use of the prizes. Except where prohibited, participation in the Sweepstakes constitutes entrant's consent to the publication of his or her name by Sponsor in any media for commercial or promotional purposes without limitation or further compensation subject to Sponsor's respective Privacy Policies. Sponsor may modify or discontinue the Sweepstakes at any time and may disqualify from the Sweepstakes any person it determines, in its sole discretion, to have attempted to or actually tampered with or otherwise abused any aspect of the Sweepstakes. Entrants agree that in the unlikely event a dispute arises in connection with this Sweepstakes, it will be governed by the laws of the State of New York and heard exclusively in a court of applicable jurisdiction in the County and State of New York irrespective of any choice of law provisions to the contrary. To receive names of the winners by U.S. mail, please mail a self-addressed stamped envelope to: B&H Foto & Electronics Corp., Attn: B&H $1,000.00 Gift Card Dash Sweepstakes, 440 Ninth Avenue, New York, NY 10001. Any Winners List request must be received by B&H within one (1) year of the date the Sweepstakes is conducted.

Let us know how to reach you if you win!

Privacy 100% guaranteed; email address for contact purposes only

Email

Already have a B&H account? Just log in tomorrow to enter again!

$0.00 Tax Collected Outside NY and NJ

You Pay: $1,099.00

Add to Wish List Item in Wish List
Promotion
  • 1Description

Vixen Optics' ED81S 80mm f/8 Apochromatic Refractor Telescope is an ideal optic for both celestial observation and astrophotography. Optically, it is designed with a fully multi-coated, apochromatic super low-dispersion (SD) lens system that corrects both spherical and chromatic aberrations. This correction creates a wide flat field of view without distortion and removes the blue-tinted "halo" affect and off-axis coma for true high-contrast color transmission. The optical tube assembly is made and assembled in Japan to the high standards expected from such production.

The scope can be used for multiple astrophotography techniques included prime-focus, afocal imaging, or eyepiece projection. A traditional rack-and-pinion focuser, with adapter rings, is employed to be able to handle the heavier loads of astrophotography rigs, and can accept 1.25" eyepieces and accessories for making visual observations. Vixen includes a flip-mirror diagonal that allows the use of two different eyepieces for observational flexibility, or an eyepiece and imaging system that lets users simply flip the mirror to check alignment and tracking accuracy between exposures without having to touch the imager. While the OTA is offered here without a mount or tripod, a Vixen-style dovetail plate that fits on compatible saddles is included, along with a mounting ring assembly with an integrated carrying handle to make setup and breakdown easier.

Optical Performance
  • 81mm aperture
  • f/8 focal ratio
  • 625mm focal length
  • Refractor optical system
  • Anti-reflection multi-coated optics improves light transmission for brighter, high-contrast images
  • Apochromatic lens configuration corrects for spherical and chromatic aberration to produce distortion-free images with accurate color representation
  • Extra low-dispersion (ED) glass elements correct for chromatic aberration to increase true color fidelity and improved contrast
  • Resolution: 1.43 arc sec
  • Sturdy rack-and-pinion with 50.8mm and 60mm mounting thread for imaging accessories and 1.25" eyepiece holder
  • Red dot finder with bracket
Imaging
  • Dual 1.25" eyepiece holders
  • Internal flip mirror allows the use of two eyepieces, or eyepiece/imaging combination
  • Able to perform various astrophotography techniques including eyepiece projection, prime-focus, and Afocal imaging
  • When imaging, quickly flip mirror to check tracking between exposures without un-mounting imaging rig
  • Back Focus from rear edge of focuser body: 149.0mm
  • Back Focus with reducer from rear edge of reducer: 63.5m
  • 60mm and 50.8mm T-threads on straight-through light path allow the use of optional camera-specific T-rings
Mounting
  • OTA only, requires mount and tripod for proper use
  • Includes a set of two mounting rings
  • Integrated Vixen-style dovetail plate
  • Integrated carrying handle makes setup and breakdown more safe and secure
  • Weight: 5.1-pounds
In the Box
Vixen Optics ED81S 80mm f/8 Apochromatic Refractor Telescope (OTA Only)
  • Red-Dot Finderscope
  • Flip-Mirror Diagonal
  • Dovetail Mounting Plate
  • Carrying Handle
  • 2 x Tube Rings
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description
    Optical Design Refractor
    Aperture 3.2" / 8.1 cm
    Focal Length 625 mm
    Focal Ratio f/7.7
    Eyepiece Barrel Diameter 1.25"
    Diagonal 90° flip
    Finderscope Red dot
    Tripod None
    Mount Type Vixen-style dovetail plate
    Power Source N/A
    Optical Tube Dimensions Length : 23.0" / 58.5 mm
    Tube diameter: 3.5" / 9.0 cm
    Dew-shield diameter: 100 mm
    Weight 5.1 lb / 2.3 kg
    Packaging Info
    Package Weight 9.6 lb
    Box Dimensions (LxWxH) 24.8 x 10.7 x 7.8"
    Be the first to review this item
    See any errors on this page? Let us know.