Vortex Optics 33.5x Viper HD Reticle Eyepiece with Ranging MOA Reticle

SKU: VORVS85REA

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Questions & Answers

FAQ

What is the purpose of the Ranging MOA Reticle in the 33.5x Viper HD Reticle Eyepiece?

The Ranging MOA Reticle in the eyepiece uses MOA-based subtension lines for precise ranging, holdover, and windage corrections, enhancing accuracy in various shooting scenarios.

Can I adjust the view on the 33.5x Viper HD Reticle Eyepiece?

Yes, the eyepiece includes a diopter ring and the capability to rotate the reticle. This allows you to level it with the horizon line for a customized viewing experience.

Is the 33.5x Viper HD Reticle Eyepiece compatible with all spotting scopes?

The 33.5x Viper HD Reticle Eyepiece is specifically designed for the Vortex Viper HD 85mm spotting scope, ensuring optimal performance and compatibility.

What is the benefit of the secondary ranging references in the 33.5x Viper HD Reticle Eyepiece?

The secondary ranging references facilitate rapid range estimation, allowing for faster and more efficient communication between the spotter and the shooter.

Who can benefit from using the 33.5x Viper HD Reticle Eyepiece?

The 33.5x Viper HD Reticle Eyepiece is versatile and can be used by bird watchers, hunters, and tactical shooters who require precise, detailed views and accurate measurements.

Reviews about this item

Review Summary

2026-04-14T20:00:00

Rated 5 out of 5

Beary beary beary accurate

Viper HD 20-60x85mm Angled Spotting Scope - White River National Forest Observation Review The Viper HD 20-60x85mm Angled Spotting Scope is a solid companion for wildlife viewing and backcountry scouting in White River National Forest. Its lens quality and ergonomic design cater to field use where weather, distance, and terrain demand reliability. Optical Clarity & Magnification**: The high-definition optics deliver sharp images across the 20-60x zoom range, enabling distant animal observation and landscape assessment without eye strain. The angled eyepiece promotes a comfortable viewing position for long sessions behind glass. Light Transmission & Color Fidelity**: HD glass and coatings improve contrast in dappled forests and early-morning lighting, helping distinguish fur coloration, track edges, and subtle movements on far ridges. Build & Durability**: Rugged housing and weather sealing are well-suited for the variable conditions of alpine and forested terrain, including light rain, mist, and dusty trails. Tripod Compatibility & Stability**: A solid mounting interface and stable optical tube support steady viewing, essential for tracking wildlife or scanning for bear activity from a safe, respectful distance. Ease of Setup**: Quick-focus mechanism and intuitive controls reduce setup time, so you can spend more time observing rather than adjusting. Field Use Tips**: Bring a lightweight tripod and a stable surface to maximize stability on uneven ground. Use the 60x setting sparingly in windy conditions; lower magnification often yields steadier identification of movement. Pair with binoculars for quick spot-and-stare transitions, then switch to the scope for distant details. Overall, the Viper HD 20-60x85mm Angled Spotting Scope offers reliable optical performance and rugged reliability for wildlife observation, scouting, and landscape study in White River National Forest. It's a versatile tool for safely and respectfully viewing wildlife from a distance.

Liam H.

2026-03-30T20:00:00

Rated 5 out of 5

Older Viper

I have an older Vortex Viper spotting scope and love it. For the money and the warranty, it's the best on the market. I have never had an issue yet.

Garth L.

2026-03-26T20:00:00

Rated 5 out of 5

Birding

Great birding scope for looking at waterfowl far away! Price and quality are great!

Brendan M.

2026-02-24T19:00:00

Rated 5 out of 5

My husband loves these!

They have worked great and we've taken them on many trips as well as hikes and hunts!

Quincy B.

2026-02-14T19:00:00

Rated 5 out of 5

I am a huge fan

I am a huge fan of Vortex products. Always great quality and amazing customer service. I have been using this spotting scope on the range and the glass quality/ clarity is great.

Scott e.

2026-02-01T19:00:00

Rated 5 out of 5

Super good quality for the

Super good quality for the price. I keep pair in my truck at all times. Very clear optics.

Jordan M.

2026-01-24T19:00:00

Rated 5 out of 5

I absolutely love this spotting scope

So I weld about 60 hours a week and have for 15 years . So I do not have the best eyes . But this spotting scope is impressive. The clarity is all I could ask for in a spotting scope at this price point . My best friend has the the bigger version of this spotting scope and we are always together so I decided to get the 45x version . For me this is just fantastic. And vortex has been fantastic to deal with . The price was perfect and for me exactly what I need for 500 yard shots . Super clear super awesome. No regrets on this purchase

Bob

2025-12-10T19:00:00

Rated 5 out of 5

Great product! I have vortex

Great product! I have vortex binoculars and thought their scope would be a nice addition for birding. It is a little heavier than I was expecting. The neoprene sleeve is very helpful, it makes use in the extreme cold a lot easier.

Ben S.

2025-12-02T19:00:00

Rated 5 out of 5

Extremely impressed!

Extremely impressed!

Brandon J.

2025-11-29T19:00:00

Rated 5 out of 5

Excellent Binos

Use these binos exclusively for law enforcement. They have great clarity especially in low light situations. Would highly recommend for the price.

William S.

2025-11-27T19:00:00

Rated 5 out of 5

Great binos for the price

Great binos for the price

Samuel C.

2025-11-20T19:00:00

Rated 4 out of 5

Excellent glass

Very good Performance from a very good price. Have used them daily for the last 2 months.

Rodger B.

2025-11-18T19:00:00

Rated 5 out of 5

Excellent product.

Excellent product.

Roy B.

2025-11-09T19:00:00

Rated 5 out of 5

Great Quality

Used them for about a year now in both the Midwest whitetail woods and western mule deer hunting. Very crisp view, good color and clarity in low light. I compared them to a 15x56 viper while out west and didn't notice any difference in magnification.

Josh H.

2025-11-09T19:00:00

Rated 5 out of 5

Vortex is the best

Vortex optics are the just the best. Lifetime warranty, great optics.

Joannah T.

2025-11-06T19:00:00

Rated 5 out of 5

Great Optic

I own several vortex products and am very pleased with them all and their customer service is great.

Jeremiah S.

2025-11-06T19:00:00

Rated 5 out of 5

exceptional binoculars

so crisp & clear , love them!

Jeannine A.

2025-11-05T19:00:00

Rated 5 out of 5

Vortex Viper HD 10x50

Bought these last black Friday through Expert Voice. Bino are excellent at collecting light. Deer hunting in Eastern NC over mostly open fields these Binos allow me to see deer even prior to legal shooting light and right down to the last minutes of legal shooting time. Well worth the money!!

Austin M.

2025-11-04T19:00:00

Rated 5 out of 5

Great glass. Quality built

Great glass. Quality built

Michael K.

2025-11-04T19:00:00

Rated 5 out of 5

New favorite binoculars

New favorite binoculars

Kim V.

2025-10-29T20:00:00

Rated 5 out of 5

Vortex makes great optics and

Vortex makes great optics and their warranty cannot be beat.

brian f.

2025-10-28T20:00:00

Rated 5 out of 5

Great Binos, esspecially for the price

I purchased these for my kids to use. I ended up having to use them a few times myself and was thoroughly impressed. My family used them for many hunts and had great success finding animals especially when mounted to the Vortex Pro Bino Adapter. These binos are great for both new and experienced hunters. Easy to focus and adjust on the fly without constantly needing to be re focused. Great binos.

Daniel P.

2025-10-27T20:00:00

Rated 4 out of 5

Great midrange glass

The title speaks for itself. They are just that. These binos where used by my stepson in Colorado this fall on an elk hunt. Great glass for the price. These is a considerable difference between these and my Razor UHD but the price also reflects the quality differences. All in all these vipers are all you need for spotting animals 600 yards and in.

Jeremy M.

2025-10-20T20:00:00

Rated 4 out of 5

Great spotting scope

Great value for a spotting scope. I mount it to my vehicle window with a different mount and its great for big game spotting as well as birding. A little heavy for packing around but from a vehicle its great.

Robert D.

2025-10-20T20:00:00

Rated 5 out of 5

Life's too short to suffer cheap optics

I live on Lake Erie and I always get compliments on the clarity of these binoculars. 10X50 is the sweet spot for magnification, field of view, and weight. Just went big on a pair of Razor 18x56 for use with my astronomical tripod. Couldn't be happier with Vortex quality and lifetime unconditional guarantee.

Geoff C.

2025-10-20T20:00:00

Rated 5 out of 5

Great Binos

Been using them on a saltwater boat for a number of years so far and they have held up better than any other pair I've had.

Robert D.

2025-10-14T20:00:00

Rated 5 out of 5

Great Quality

This spotting scope provides grood clarity at long distances and performs well in low light. It is a large spotting scope so I do not carry it in my backpack as planned. However, I keep it with me on my ATV and use it to scan mountain draws looking for deer. If I spot deer in the distance, I use this spotting scope to decide if the buck is worth pursuing after. This saves me a lot of time from having to hike for a closer look.

Jason R.

2025-10-13T20:00:00

Rated 5 out of 5

Two thumbs up

Great glass, awesome price. Unmatched warranty. Versatility for Midwest timber with clarity and fov suitable for glassing western elk.

Ben H.

2025-10-12T20:00:00

Rated 5 out of 5

High quality at a reasonable price

Bulky and not idea for packing, this scope provides clear and crisp image. Adjustments are easy to use and can't beat the VIP warranty!

Cydney H.

2025-10-12T20:00:00

Rated 5 out of 5

Great product and great customer

Great product and great customer service

Douglas H.

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Vortex Optics Viper HD Specifications

  • Compatibility

    Viper HD 85mm spotting scopes

  • Magnification

    33.5x

  • Linear Field of View

    101' @ 1000 yards

  • Angular Field of View

    1.93 degrees @ 1000 yards

  • Eye Relief

    0.70" (18mm)

  • Length

    1.73" (43.94mm)

  • Weight

    5.6 oz (158.75g)

About Vortex Optics Viper HD

With the 33.5x Viper HD Reticle Eyepiece, transform your Viper HD 85mm spotting scope into an advanced optical tool for precise measurements and quick spotter-to-shooter communication. This high-quality eyepiece, crafted by the renowned brand Vortex Optics, offers a fixed magnification of 33.5x, providing powerful, detailed views of your target.

The innovative design includes a diopter ring and the capability to rotate the reticle, allowing you to level it with the horizon line for a customized viewing experience. The eyepiece is equipped with a Ranging MOA Reticle, a hashmarked ranging reticle that utilizes MOA-based subtension lines. This feature aids in accurate ranging, holdover, and windage corrections, enhancing your precision in various shooting scenarios.

Moreover, the eyepiece boasts secondary ranging references, facilitating rapid range estimation. Durable and versatile, the 33.5x Viper HD Reticle Eyepiece is an essential addition to your Vortex Viper spotting scope, whether you're an avid bird watcher, a dedicated hunter, or a tactical shooter. Experience the difference in clarity and precision with this powerful optical accessory.

Vortex Optics Viper HD Features

  • Compatible with the latest generation Viper HD 85mm spotting scopes
  • A fixed magnification of 33.5x
  • Perfect optical measuring stick for making spotter-to-shooter communication fast

Warranty Information

This product has a limited lifetime warranty.

Key Features

  • Experience stunning detail with this 33.5x magnification spotting scope eyepiece.
  • Enjoy a wide 101' field of view at 1000 yards with this Vortex Optics eyepiece.
  • The ranging MOA reticle helps you quickly estimate distance with your spotting scope.
  • Designed for Viper HD 85mm spotting scopes, ensuring a perfect, secure fit every time.
  • Long 18mm eye relief provides comfortable viewing during extended spotting sessions.
  • Lightweight at only 5.6 oz, this eyepiece won't weigh down your gear during travel.

What's in the box:

  • Vortex Optics 33.5x Viper HD Reticle Eyepiece
  • Lens Cover
  • Microfiber Cleaning/Carry Pouch
  • Vortex Optics Lifetime Limited Warranty