Castellani lenses come with a variety of lens colours. The choice of lens colour can make a significant difference in how a shooter perceives targets against varied backgrounds and in different light conditions. Each lens colour is designed to enhance contrast and clarity for the shooter in specific scenarios.

Here's a summary of some typical lens colours and their purposes:

1. Clear: Suitable for low-light conditions such as indoor shooting ranges or overcast days. They provide maximum light transmission.

2. Yellow or Orange: These colours heighten contrast, especially in overcast conditions or dim light. They make it simpler to spot orange targets against a green or blue sky.

3. Purple or Vermilion: Enhance the orange of the target against a green backdrop. These are ideal for shooting against grassy backgrounds, as they help to mute the green colour and make the orange stand out.

4. Brown or Bronze: Enhance contrast and diminish glare in a range of conditions. They are versatile for shooters engaged in different shooting disciplines.

5. Red: Often utilised to amplify the contrast of orange targets against a blue sky.

6. Green: It can decrease glare and heighten the contrast of an orange target against a light blue sky.

7. Grey: Cuts down on sun glare on bright days without altering colour perception.

8. Polarised lenses: These reduce glare reflected off surfaces such as water or roads, which can be beneficial for certain outdoor shooting conditions.

A shooter might opt for a particular lens colour based on several factors, including the type of shooting they're undertaking (e.g., trap, skeet, sporting clays), the time of day, the prevailing weather conditions, and the backdrop against which they're shooting. Switching to the appropriate lens colour can boost a shooter's accuracy by making it easier to detect and follow targets.

Here's a handy explainer from our friends over on The Shooting Channel:

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