{"id":1545,"date":"2019-04-23T13:33:18","date_gmt":"2019-04-23T11:33:18","guid":{"rendered":"https:\/\/www.optics-trade.eu\/blog\/?p=1545"},"modified":"2026-01-05T00:49:07","modified_gmt":"2026-01-04T23:49:07","slug":"vortex-viper-hs-riflescopes-instruction-manual","status":"publish","type":"post","link":"https:\/\/www.optics-trade.eu\/blog\/vortex-viper-hs-riflescopes-instruction-manual\/","title":{"rendered":"Vortex Viper HS riflescopes instruction manual"},"content":{"rendered":"

Series: https:\/\/www.optics-trade.eu\/en\/riflescopes\/shopby\/manufacturer-vortex\/riflescope_series-vortex_viper_hs.html<\/a><\/p>\n

Products:<\/p>\n

https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-2-5-10×44.html<\/a><\/p>\n

https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-4-16×44.html<\/a><\/p>\n

https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-4-16×50.html<\/a><\/p>\n

This text is a transcription of the file in\u00a0PDF format<\/a>.<\/p>\n

Specifically designed for the most discriminating hunters and shooters,<\/span>
\nthe Vortex\u00aeViper\u00aeHS\u2122 series of riflescopes offer the highest levels of<\/span>
\nperformance and reliability. With features such as 4x optical zooms,<\/span>
\ngenerous long eye relief, and ruggedly constructed, single-piece main<\/span>
\ntubes. The Viper HS riflescopes are ready for any situation.<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

Reticle Options<\/span><\/h2>\n

The Focal Plane<\/span><\/h3>\n

All riflescope reticles can be termed either first focal plane (FFP) or<\/span>
\nsecond focal plane (SFP), depending upon their internal location within<\/span>
\nthe riflescope. This model features the second focal plane design.<\/span>
\nSecond Focal Plane Reticles<\/span>
\nSecond focal plane (SFP) reticles are located near the scope\u2019s eyepiece<\/span>
\nbehind the image erecting and magnifying lenses. This style of reticle<\/span>
\ndoes not visually change in size when you change the magnification.<\/span>
\nThe advantage of an SFP reticle is that it always maintains the same<\/span>
\nideal visual appearance.<\/span><\/p>\n

Listed reticle subtensions used for estimating range, holdover, and wind<\/span>
\ndrift correction are accurate at the highest magnification. Note: Listed<\/span>
\nBDC reticle subtensions for a 6\u201324×50 model are accurate with the<\/span>
\nmagnification set at 18x.<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

R<\/span>iflescope Adjustments<\/span><\/h2>\n

Reticle Focus<\/span><\/h3>\n

The Viper HS riflescopes use a fast focus eyepiece designed to quickly and<\/span>
\neasily adjust the focus on the riflescope\u2019s reticle.<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

To adjust the reticle focus:<\/span><\/p>\n

\u2022 Look through the riflescope at a<\/span>
\nblank white wall or up at the sky.<\/span><\/p>\n

\u2022 Turn the eyepiece focus knob in or<\/span>
\nout until the reticle image is as crisp<\/span>
\nas possible.<\/span><\/p>\n

\u2022 Note: Try to make this particular<\/span>
\nadjustment quickly, as the eye will try<\/span>
\nto compensate for an out-of-focus reticle.<\/span><\/p>\n

Once this adjustment is complete, it will not be necessary to re-focus<\/span>
\nevery time you use the riflescope. However, because your eyesight may<\/span>
\nchange over time, you should re-check this adjustment periodically.<\/span><\/p>\n

Warning<\/strong>
\nLooking directly at the sun through a riflescope, or any optical instrument,<\/strong>
\ncan cause severe and permanent damage to your eyesight.<\/strong><\/p>\n

Windage and Elevation Adjustments<\/span><\/h3>\n

The Viper HS riflescope incorporates adjustable elevation and windage<\/span>
\nturret dials with audible clicks. Each audible click moves the bullet\u2019s pointof-impact 1\/4 of a minute of angle (MOA).<\/span>
\n1\/4 MOA closely corresponds to 1\/4 inch at 100 yards, 1\/2 inch at 200<\/span>
\nyards, 3\/4 inch at 300 yards\u2014taking four (4) clicks to move the bullet\u2019s<\/span>
\npoint-of-impact approximately one inch at 100 yards.<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

To make adjustments:<\/span><\/p>\n

1. Remove the outer covers.<\/span><\/p>\n

2. Turn the turret in the appropriate<\/span>
\ndirection: Up\/Down or Left\/Right as<\/span>
\nindicated by the arrows.<\/span><\/p>\n

3. Following the directional arrows, turn the<\/span>
\ndials in the direction you wish the bullet\u2019s<\/span>
\npoint-of-impact to go to.<\/span><\/p>\n

Note<\/em>: After sight-in, you can re-align the zero marks on the turret dials<\/span>
\nwith the reference dots if you wish (see Indexing Adjustment Dials with<\/span>
\nZero Reset on page 12). Replace outer covers when done.<\/span><\/p>\n

<\/h3>\n

<\/h3>\n

<\/h3>\n

Variable Power Adjustments<\/span><\/h3>\n
\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

To change the magnification,<\/span>
\nturn the magnification ring to the<\/span>
\ndesired level. The Vortex fiber<\/span>
\noptic magnification indicator will<\/span>
\nprovide a low light reference for<\/span>
\nmagnification level.<\/span><\/p>\n

<\/h3>\n

<\/h3>\n

Using the Side Focus<\/span><\/h3>\n

Select Viper HS riflescopes use a side focus adjustment which provides<\/span>
\nmaximum image sharpness and eliminates parallax error. The Viper HS<\/span>
\n2.5\u201310×44 riflescopes do not use side focus adjustments and are pre-focused<\/span>
\nat a distance of 100 yards.<\/span><\/p>\n

Setting the side focus:<\/span><\/p>\n

1. Be sure the reticle is correctly focused (see Reticle Focus on page 5).<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

2. Turn the side focus knob until the<\/span>
\ntarget image is as sharp as possible. The<\/span>
\nyardage numbers referenced on knob<\/span>
\nshould closely match the actual yardage<\/span>
\nto the target.<\/span><\/p>\n

3. Check for parallax error by moving<\/span>
\nyour head back and forth while looking<\/span>
\nthrough the scope. The focus is correct if<\/span>
\nthere is no apparent shift of the reticle on the target. If you notice any <\/span>shift, adjust the focus knob slightly until all shift is eliminated.<\/span><\/p>\n

Parallax<\/strong> is a phenomenon that results when the target image<\/span>
\ndoes not quite fall on the same optical plane as the reticle<\/span>
\nwithin the scope. When the shooter\u2019s eye is not precisely<\/span>
\ncentered in the eyepiece, there can be apparent movement of<\/span>
\nthe target in relation to the reticle, which can cause a small<\/span>
\nshift in the point of aim. Parallax error is most problematic<\/span>
\nfor precision shooters using high magnification.<\/span><\/p>\n

Riflescope Mounting<\/span><\/h3>\n

To get the best performance from your Viper HS riflescope, proper<\/span>
\nmounting is essential. Although not difficult, the correct steps must be<\/span>
\nfollowed. If you are unsure of your abilities, it would be best to use the<\/span>
\nservices of a qualified gunsmith.<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

Rings and Bases<\/span><\/h3>\n

Mount an appropriate base and matching rings to your rifle according to<\/span>
\nthe manufacturer\u2019s instructions. Viper HS riflescopes require 30 mm rings.<\/span>
\nUse the lowest ring height that will provide complete clearance of scope<\/span>
\nand rifle\u2014avoiding any contact with barrel, receiver, bolt handle or any<\/span>
\nother part of the rifle. A low mounting height will help assure proper<\/span>
\ncheek weld, aid in establishing a solid shooting position, and promote fast<\/span>
\ntarget acquisition.<\/span><\/p>\n

Eye Relief and Reticle Alignment<\/span><\/h3>\n

After installing the bottom ring halves on the mounting base, place the<\/span>
\nriflescope on the bottom ring halves and loosely install the upper ring<\/span>
\nhalves. Before tightening the scope ring screws, adjust for maximum eye<\/span>
\nrelief to avoid injury from recoil:<\/span>
\nEye Relief and Reticle Alignment<\/span><\/p>\n

1. Set the riflescope to the middle of its magnification range.<\/span><\/p>\n

2. Slide the riflescope as far forward as possible in the rings.<\/span><\/p>\n

3. While viewing through the riflescope in a normal shooting<\/span>
\nposition, slowly slide the riflescope back towards your face. Pay<\/span>
\nattention to the field of view. Stop sliding the riflescope back as soon<\/span>
\nas you see the full field of view.<\/span><\/p>\n

4. Without disturbing the front-back placement, rotate the riflescope<\/span>
\nuntil the vertical crosshair exactly matches the vertical axis of the<\/span>
\nrifle. Use of a reticle leveling tool, a weight hung on a rope, flat feeler<\/span>
\ngauges, or a bubble level will help with this procedure.<\/span><\/p>\n

After aligning the reticle, tighten and torque the ring screws down per the<\/span>
\nmanufacturer\u2019s instructions.<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

Bore Sighting<\/span><\/h3>\n

Initial bore sighting of the riflescope will save time and money at the range.<\/span>
\nThis can be done in a number of ways. A mechanical or laser bore sighter<\/span>
\ncan be used according to the manufacturer\u2019s instructions. On some rifles,<\/span>
\nbore sighting can be done by removing the bolt and sighting through the<\/span>
\nbarrel.<\/span><\/p>\n

To visually bore sight a rifle:<\/span><\/p>\n

\u2022 Place the rifle solidly on a rest and remove the bolt.<\/span><\/p>\n

\u2022 Sight through the bore at a target approximately 100 yards away.<\/span><\/p>\n

\u2022 Move the rifle and rest until the target is visually centered inside the<\/span>
\nbarrel.<\/span><\/p>\n

\u2022 With the target centered in the bore, make windage and elevation<\/span>
\nadjustments until the reticle crosshair is also centered over the target.<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

Final Range Sight-In<\/span><\/h3>\n

After the riflescope has been bore-sighted, final sight-in should be done at<\/span>
\nthe range using the exact ammunition expected to be used while shooting.<\/span>
\nSight in and zero the riflescope at the preferred distance. 100 yards is the<\/span>
\nmost common zero distance, although a 200 yard zero may be preferred for<\/span>
\nlong range applications.<\/span><\/p>\n

Note: Be sure the reticle is in focus (see Reticle Focus on page 5) and set<\/span>
\nthe side focus adjustment (if present) to match the distance being used<\/span>
\nfor sight-in:<\/span><\/p>\n

\u2022 Following all safe shooting practices, fire a three-shot group as precisely<\/span>
\nas possible.<\/span><\/p>\n

\u2022 Next, adjust the reticle to match the approximate center of the shot<\/span>
\ngroup (see Windage and Elevation Adjustment on page 6).<\/span>
\nNote: If the rifle is very solidly mounted and cannot be moved, simply look<\/span>
\nthrough the scope and adjust the reticle until it is centered on the fired<\/span>
\ngroup.<\/span><\/p>\n

\u2022 Carefully fire another three-shot group and see if the bullet group is<\/span>
\ncentered on the bullseye.<\/span><\/p>\n

This procedure can be repeated as many times as necessary to achieve a<\/span><\/p>\n

perfect zero.<\/span><\/p>\n

Indexing Adjustment Dials with Zero Reset<\/span><\/h3>\n

Viper HS riflescopes feature windage and elevation dials that will allow<\/span>
\nyou to re-index the zero indicator after sight-in without disturbing<\/span>
\nyour settings. This allows you to quickly return to your original zero<\/span>
\nif temporary corrections are used in the field. Index the windage and<\/span>
\nelevation dials in this way:<\/span><\/p>\n

1. Remove the outer cap and pull the adjustment dial outward<\/span>
\nagainst the spring tension until it stops.<\/span><\/p>\n

2. With the dial pulled fully outwards, rotate the dial to reposition<\/span>
\nthe zero mark on the index line.<\/span><\/p>\n

3. Release the dial, allowing it to return to the normal inward<\/span>
\nposition.<\/span><\/p>\n

\"Vortex
Vortex Viper HS 4-16×50 instruction manual<\/figcaption><\/figure>\n

Maintenance<\/span><\/h2>\n

Cleaning<\/span><\/h3>\n

The fully waterproof and fogproof Viper HS riflescope requires very little<\/span>
\nroutine maintenance other than periodically cleaning the exterior lenses.<\/span>
\nThe exterior of the scope may be cleaned by wiping with a soft, dry cloth.<\/span><\/p>\n

When cleaning the lenses, be sure to use products, such as the Vortex Fog<\/span><\/p>\n

Free cleaning products or LensPen, that are specifically designed for use on<\/span>
\ncoated optical lenses.<\/span><\/p>\n

\u2022 Be sure to blow away any dust or grit on the lenses prior to wiping the<\/span>
\nsurfaces.<\/span><\/p>\n

\u2022 Using your breath, or a very small amount of water or pure alcohol, can<\/span>
\nhelp remove stubborn things like dried water spots.<\/span><\/p>\n

Lubrication<\/span><\/h3>\n

All components of the Viper HS riflescopes are permanently lubricated, so<\/span>
\nno additional lubricant should be applied.<\/span><\/p>\n

Note: Other than removing the turret caps, do not attempt to disassemble<\/span>
\nany components of the riflescope. Disassembling of riflescope may void<\/span>
\nwarranty.<\/span><\/p>\n

Storage<\/span><\/h3>\n

If possible, avoid exposing your Vortex riflescope to direct sunlight or any<\/span>
\nvery hot location for long periods of time.<\/span><\/p>\n

Troubleshooting<\/span><\/h2>\n

Sighting-in Problems<\/span><\/h3>\n

Many times, problems thought to be with the scope are actually mount<\/span>
\nproblems. Be sure that correct base and rings are being used in the correct<\/span>
\norientation, and that the base screws and rings are tight. Insufficient<\/span>
\nwindage or elevation adjustment range may indicate problems with rings,<\/span>
\nbase, base alignment, base mount holes drilled in the rifle\u2019s receiver, or<\/span>
\nbarrel\/receiver alignment.<\/span><\/p>\n

Check for Correct Base and Ring Alignment<\/span><\/h3>\n

\u2022 Roughly center the reticle by adjusting both windage and elevation<\/span>
\nturrets to the mid point of their travel ranges.<\/span><\/p>\n

\u2022 Attach bore sighter, or remove bolt and visually boresight rifle.<\/span><\/p>\n

\u2022 Look through the scope. If the reticle appears way off center on the<\/span>
\nboresighter image or when compared to the visually centered target when<\/span>
\nlooking through rifle\u2019s bore, there may be a problem with the bases or rings<\/span>
\nbeing used. Confirm that correct base and rings are being used\u2014and in the<\/span>
\nproper orientation.<\/span><\/p>\n

Tips for Solving Bullet Grouping Problems<\/span><\/h3>\n

\u2022 Maintain a good shooting technique and use a solid rest.<\/span><\/p>\n

\u2022 Check that all screws on rifle\u2019s action are properly tightened.<\/span><\/p>\n

\u2022 Be sure rifle barrel and action are clean and free of excessive oil or<\/span>
\ncopper fouling.<\/span><\/p>\n

\u2022 Check that rings are correctly torqued per the manufacturer\u2019s instructions.<\/span><\/p>\n

\u2022 Some rifles and ammunition don\u2019t work well together\u2014try<\/span>
\ndifferent ammunition and see if accuracy improves.<\/span><\/p>\n

The VIP Warranty<\/span><\/h2>\n

We build optics based on our commitment to your absolute satisfaction.<\/span>
\nThat\u2019s why Vortex products are unconditionally guaranteed and we make<\/span>
\nthis Very Important Promise to you\u2014a Very Important Person.<\/span><\/p>\n

Rest assured that in the event your Viper HS riflescope becomes damaged<\/span>
\nor defective, Vortex Optics will repair or replace<\/span>
\nthe riflescope at no charge to you. Call Vortex<\/span>
\nOptics at 800-426-0048 for prompt, professional,<\/span>
\nand friendly service.<\/span><\/p>\n

\"\"<\/p>\n

Vortex Optics<\/span>
\n2120 West Greenview Drive<\/span>
\nMiddleton, WI 53562<\/span>
\nservice@vortexoptics.com<\/span><\/p>\n

Note<\/strong>: The VIP warranty does not cover theft, loss, or deliberate damage<\/span>
\nto the product.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Series: https:\/\/www.optics-trade.eu\/en\/riflescopes\/shopby\/manufacturer-vortex\/riflescope_series-vortex_viper_hs.html Products: https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-2-5-10×44.html https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-4-16×44.html https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-4-16×50.html This text is a transcription of the file in\u00a0PDF format. Specifically designed for the most discriminating hunters and shooters, the Vortex\u00aeViper\u00aeHS\u2122 series of riflescopes offer the highest levels of performance and reliability. With features such as 4x optical zooms, generous long eye relief, and ruggedly constructed, single-piece main tubes.… Read More »Vortex Viper HS riflescopes instruction manual<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","footnotes":""},"categories":[763],"tags":[5593],"class_list":["post-1545","post","type-post","status-publish","format-standard","hentry","category-instruction-manuals","tag-vortex"],"yoast_head":"\nVortex Viper HS riflescopes instruction manual - Optics Trade Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.optics-trade.eu\/blog\/vortex-viper-hs-riflescopes-instruction-manual\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vortex Viper HS riflescopes instruction manual - Optics Trade Blog\" \/>\n<meta property=\"og:description\" content=\"Series: https:\/\/www.optics-trade.eu\/en\/riflescopes\/shopby\/manufacturer-vortex\/riflescope_series-vortex_viper_hs.html Products: https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-2-5-10×44.html https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-4-16×44.html https:\/\/www.optics-trade.eu\/en\/vortex-viper-hs-4-16×50.html This text is a transcription of the file in\u00a0PDF format. 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