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Q&A for Vortex Defender Flip-Cap Lens Cover — 269 Questions & 207 Answers

Name Vortex Defender Flip-Cap Lens Cover (4.5)
As Low As $27.99 Save Up to 20%
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Q
Russell, member, from TX, United States, asked on December 08, 2022

Which caps do I need for the Viper PST GenII 5-25 x 50?

Manufacturer Answer
A
Answered by Vortex, Manufacturer from WI, United States, on December 21, 2022

The PST-II 5-25x50 will run the E-10 (eyepiece) and O-50 (objective) for optimal fit!

4 of 6 found the following answer helpful.
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Q
Alfredo, member, from NM, United States, asked on November 23, 2021

which size flip caps for crossfire iii 4-16x50 scope

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on June 15, 2022

The Vortex Defender Flip-Caps you need for the Crossfire II 4-16x50 are models O-50 and E-10.

1 of 3 found the following answer helpful.
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Q
Nathan, member, from IA, United States, asked on August 17, 2021

What caps do i need for Venom 5-25X56

Expert Answer
A
Answered by Patrick, Gear Expert, from IL, United States, on August 24, 2021

These caps are only for the Objective lens and not for the Eye Piece, but this is the cap for the Vortex Venom 5-25x56 Objective lens.
https://www.opticsplanet.com/vortex-defender-objective-flip-caps.html?_iv_objective-lens-diameter=56-mm&_iv_outer-diameter-699615208=range-62-66-mm&_iv_code=VX-R2-DFEF-O-56

MPN:O-56

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Q
Conner, guest, from AL, United States, asked on August 07, 2025

What defender caps do I need on a diamondback 3.5-10x50?

Manufacturer Answer
A
Answered by Vortex, Manufacturer from WI, United States, on August 13, 2025

The E-10 and O-50 are the best fit!

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Q
Julian, member, from FL, United States, asked on July 05, 2025

which diamond back hp 4-16 lens cover kit

Manufacturer Answer
A
Answered by Vortex, Manufacturer from WI, United States, on July 13, 2025

The O-40 and E-10 would be the best fitment for the Diamondback-HP!

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Q
JB, member, from VA, United States, asked on June 16, 2025

What size caps (front and rear) do I need for vortex viper pst 2.5-10x44

Manufacturer Answer
A
Answered by Vortex, Manufacturer from WI, United States, on July 02, 2025

On the PST, you'll want E-10 and O-44 for best fitment!

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Q
Greg Musgrove, member, from WV, United States, asked on May 30, 2025

What caps will I need for the crossfire 2 Hog Hunter 3x12x56 mm

Manufacturer Answer
A
Answered by Vortex, Manufacturer from WI, United States, on June 06, 2025

If the sunshade is installed, E-10 and O-56 are the perfect fit!

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Q
Dustin, guest, from FL, United States, asked on September 20, 2023

Will this fit the diamondback tactical ffp 6x24x50?

Manufacturer Answer
A
Answered by Vortex, Manufacturer from WI, United States, on September 27, 2023

The E-10 and O-50 Defender-series flip cover will indeed fit the Diamondback Tactical 6-24x50!

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Q
Pursuer, member, from WI, United States, asked on February 06, 2023

what size for Strike eagle 1x4 scopes

Manufacturer Answer
A
Answered by Vortex, Manufacturer from WI, United States, on November 01, 2023

The Strike Eagle will require the O-24 (objective) and E-10 (eyepiece) for proper fitment!

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Q
Derrick, member, from OR, United States, asked on January 18, 2023

what caps are needed for the vortex crossfire2 1-4×24?

Manufacturer Answer
A
Answered by Vortex, Manufacturer from WI, United States, on June 07, 2023

The Crossfire-II 1-4x24 would utilize the E-10 and O-24 Defender-series flip-caps!

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