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Telescope Field of View Calculator iRacing

iRacing FOV Formula:

\[ FOV = 2 \times \arctan\left(\frac{\text{screen width}}{2 \times \text{distance}}\right) \]

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meters

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1. What is Field of View (FOV) in iRacing?

Field of View (FOV) in iRacing refers to the angular extent of the observable game world that is seen at any given moment. Proper FOV setting is crucial for realistic depth perception and accurate judgment of distances while racing.

2. How Does the Calculator Work?

The calculator uses the FOV formula:

\[ FOV = 2 \times \arctan\left(\frac{\text{screen width}}{2 \times \text{distance}}\right) \]

Where:

Explanation: The formula calculates the angle that subtends your screen from your viewing position, giving you the correct perspective in the simulation.

3. Importance of Correct FOV

Details: Using the correct FOV setting ensures proper depth perception and scale in the simulation. Too wide FOV creates a "fish-eye" effect, while too narrow FOV limits situational awareness.

4. Using the Calculator

Tips: Measure your screen width and viewing distance carefully in meters. For multi-monitor setups, use the combined width of all screens.

5. Frequently Asked Questions (FAQ)

Q1: Why is FOV important in iRacing?
A: Correct FOV provides realistic depth perception and helps with accurate braking points, corner entry, and spatial awareness.

Q2: What's a typical FOV for single monitor setups?
A: For a 24" monitor at about 60cm distance, FOV is typically 45-55 degrees. Triple screen setups may have 150-180 degrees.

Q3: How do I measure my viewing distance accurately?
A: Measure from your eyes to the center of the screen while in your normal racing position.

Q4: Should I use the calculated FOV exactly?
A: The calculated FOV is mathematically correct, but some drivers prefer slightly wider FOV for better peripheral awareness.

Q5: How does this differ from VR FOV?
A: VR headsets have fixed FOV determined by their optics, typically around 100 degrees horizontal.

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