New products bring new questions, especially when they are as feature packed as the Optum, so we’re going to do our best to cover all the basics and set your mind at ease.

  • Scope size: 35mm and 40mm scope bodies. The size refers to the inside diameter and will affect how much of the target you will see.
  • Pin options: There are four pin options: .010″, .015″, .019″, and .029″ as well as a no pin option for those who prefer dots or center drilled lenses.
  • Handedness: The Optum is available in a right or left hand option. The scope is hand specific and cannot be reconfigured.

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The obvious difference is the size of the scope but the implications of that extend to the accessories and it’s important to consider. While both scopes have all the same features and optional accessories the outcome of adding those accessories will vary.

  • Both scopes have a 2-step sunshade option, however, threading the 2-step into the 40mm Optum will result in a reduced inside diameter of 35mm whereas threading a 2-step sunshade into the 35mm Optum will give you a 29mm inside diameter.
  • The optional long sunshade can be added to both scopes but the 40mm Optum allows the long sunshade to be threaded into either side while the 35mm Optum only allows installation on the target side of the scope.

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When you purchase an Optum you will be required to state what size scope body you would like, the pin size (or no pin), and if you need a right or left handed scope. These choices will dictate the finer details of what’s included, such as the size of the extra fiber, but all Optums include the same basic items.

  • A scope body: This is the main body of your scope and will be the item mounted to your sight. Built into this is the level, 10-32 scope rod, and angled light port. A green level will come installed in the scope body.
  • Optum Ring System (ORS): The ORS is the removable ring that holds your pin (if selected), fiber wrap, adjustable fiber cover, and features the 8-32 light port. From the factory any ORS ordered with a pin will have green fiber already installed.
  • Hex key: Included is a 1/16″ hex key used to install the ORS into the scope body and remove the pin if necessary.
  • Levels: Spare levels are included in red, blue, and green colors.
  • Fiber: Green fiber will come already installed in the ORS if a pin was selected and with all pin options comes blue and orange fiber in the appropriate size.
  • Instructions: Printed instructions are included to assist you in setting up your Optum.
  • 10-32 bolt: A shorter (1-1/4″) 10-32 bolt is included that can be swapped out with the installed 2″ 10-32 bolt if necessary.

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Absolutely! We offer five ORS options that can all be sold separately (click here)

  • .010″ Pin option
  • .015″ Pin option
  • .019: Pin option
  • .029″ Pin option
  • No pin option

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All Optum Ring Systems that include a pin will come with green fiber already installed in the ORS. Blue and orange fiber of the appropriate size will also be included with the ORS.

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All three light ports on the Optum are 8-32 threads. 8-32 is a very common light size and will enables archers to choose between ZBrosSchliteLP and a number of other light kits.

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Yes. The ORS fits both the 40mm and 35mm Optum scopes in either right or left hand configurations. This means you can set up your ORS with a single light kit and easily swap it back and forth between two Optum scope bodies on two bows in seconds, saving you time and a headache.

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Both size Optum scopes utilize the same size lens and housing. That means you aren’t stuck with one size scope once you invest in a lens. The 40mm Optum does allow the lens to be threaded onto either side of the scope whereas the 35mm Optum is limited to the target side. See our post on Optum lenses for all the details (full article here).

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No. NOMAD lenses use a different size thread so they will not screw directly onto an Optum scope. There is an adapter available (click here) that enables archers to use their existing NOMAD lenses on the Optum. Please note, the use of an adapter and NOMAD lens will reduce the inside diameter slightly and only the NOMAD lens compatible sunshade will thread into the NOMAD lens.

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Only the 2-step sunshades reduce the inside diameter. A 2-step sunshade added to a 40mm Optum will reduce the inside diameter to 35mm. A 35mm optum with a 2-step sunshade will reduce the inside diameter to 29mm. 1-step sunshades, long sunshades, and lenses will not reduce the inside diameter at all. Even with a 1-step or long sunshade installed on your lens your scope will stay true to size.

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All Optum scopes will include the instruction pamphlet shown below.

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SHOP THE OPTUM

If you still have questions feel free to leave a comment below or email Service@ShrewdArchery.com.

 

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