How to Turn Down Brightness on Vortex Razor 4000 Rangefinder? – Everything You Need to Know with FAQs, Tips, & More

People often ask how to turn down the brightness on Vortex Razor 4000 rangefinder.

Let’s find out!

How to Turn Down the Brightness on Vortex Razor 4000 Rangefinder?

The Vortex Razor 4000 has a built-in light sensor that automatically adjusts the flash output based on ambient lighting. This means it will adjust its output from 0% to 100%, depending on the amount of light around. To reduce this effect, simply hold the power button for 3 seconds.

Note: If you want to know a complete guide about rangefinder click HERE.

Vortex Razor 4000 Rangefinder

Rangefinders have come a long way since the early days. They’re easier to use and give better results. They’ve made shooting much more accurate.

Vortex Optics first came out in the Ranger series rangefinder. They’ve introduced a couple more after this but the new Razor HD 4K caught everyone’s eye The 7x25mm objective would surely improve over the previous models as well, even with multi-coated HD glass.

Note: If you want to know Leica LRF 1200 Rangefinder 2002 Model click HERE.

Ergonomics And Ease Of Use

  • This pair of glasses is very lightweight and easy to use.
  • There are many buttons and dials to adjust the focus and brightness.
  • The eye relief is great and allows you to see everything without having to move your head around too much.
  • It also includes a belt clip that can go either way depending on what you want to do with it.
  • The Razor HD 4000 is a great outdoor GPS device.
  • It works well in cold weather because it doesn’t need to warm up before you start using it.

Field Testing

This camera is great for hunting. You can see up to 4 miles away, and you can see your target instantly. There is also an infrared mode that allows you to see things that aren’t visible to the human eye.

Note: If you want to know How Use 19TH Century Rangefinder clicks HERE.


Vortex Razor has many different modes. Its best three modes are

  1. Normal Mode
  2. First Mode
  3. ELR mode

Normal Mode

Normal mode is recommended for most hunting situations. You should be able to see your target up to 2400 yards away. This scope also includes a scan mode that adjusts as you move the rangefinders over different objects.

First Mode

The first mode comes in handy when there is a critter among other objects. You can use this to scan over the critter, and it will tell you what is the nearest object. This is useful when you want to know what is the closest thing to your target.

ELR Mode

ELR Mode allows you to range targets up to 4,000 yards. This mode is very useful when you’re shooting at long distances. A tripod is recommended because you’ll want to be still while using this mode.

Note: If you want to gain information about How to Use West Marine Rangefinder Reticle 7×50 click HERE.

Ranging Modes

The Razor HD4000 has two ranging modes

  1. HCD
  2. LOS.

HCD is most commonly used by rifle and archery hunters, but LOS is more commonly used by long-range rifle shooters. Both modes will give you the distance to your target and the angle of the shot, but HCD will do this automatically.

how to turn down brightness on vortex razor 4000 rangefinder

How to Turn Down Brightness on Vortex Razor 4000 Rangefinder?


This product is very easy to use. You can adjust the brightness by turning the dial on top of the unit. There are many different brightness levels to choose from.

This lens is designed for people who want to take pictures of things to close up. It is an ideal lens for taking photos of flowers, insects, or other small objects.

You won’t be disappointed if you buy this model.

If you want to know more information about rangefinder click HERE.


  • John Moses

    John is the Editor in Chief here at The Outdoor Stores. His area of expertise ensures that there is no one better to suggest which rifles are most suitable for your hunting experience. He is also available for you to contact him personally to discuss the types of animals you want to hunt and the terrain you will be hunting on. Feel free to read his posts for expert opinion on Rifles, Scopes, Rangefinders, Bonoculars and Monoculars.

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