รีวิวกล้องเล็ง Discovery รุ่น HD 3-12x44 SFIR

Published on March 23, 2020
Duration: 18:28

This guide details a practical 'rough and fine' zeroing technique for the Discovery HD 3-12x44 SFIR scope, demonstrated by the presenter. It emphasizes aligning open sights with the scope's reticle for an initial zero, then using bullet impact to make precise adjustments via the turrets. The method includes setting the scope to zero after achieving accuracy at 25 meters.

Quick Summary

The Discovery HD 3-12x44 SFIR scope can be zeroed using a 'rough and fine' technique. First, align open sights with the target, then the scope reticle. Fire, observe impact, and adjust turrets to match. Finally, set turrets to zero for future reference. The scope offers 3-12x magnification, a 44mm objective lens, and is priced at 5,000 Baht.

Chapters

  1. 00:12Introduction and Location
  2. 00:32Unboxing the Discovery HD 3-12x44 SFIR Scope
  3. 01:21Scope Dimensions and Features
  4. 01:53Scope Adjustment Knobs Explained
  5. 02:13Promotional Offer: Free Scope Mount
  6. 02:51Mounting the Scope on a Rifle
  7. 03:42Choosing the Correct Scope Mount Size
  8. 04:16Initial Scope Mounting Steps
  9. 05:09Ensuring Proper Scope Alignment
  10. 05:16Using a Level for Scope Installation
  11. 06:10Finalizing Scope Mount Tightening
  12. 07:13Comparison with DT 4.5-18x44 Model
  13. 08:30Zeroing at 25 Meters: Initial Shots
  14. 09:38Observing Open Sight Visibility
  15. 10:08Rough and Fine Zeroing Technique Explained
  16. 10:09Rough Zero: Aligning Open Sights and Scope
  17. 11:02Adjusting Reticle to Bullet Impact
  18. 11:20Making Vertical Adjustments
  19. 12:10First Shot After Rough Zero Adjustment
  20. 13:22Analyzing Bullet Impact and Reticle Position
  21. 13:34Calculating Fine Adjustment Clicks
  22. 13:42Making Fine Adjustments with Up/Down Turret
  23. 14:20Second Shot After Fine Adjustment
  24. 14:49Confirming Zero with Additional Shots
  25. 16:01Setting the Scope to Zero (Set Zero)
  26. 16:33Setting Left/Right Turret to Zero
  27. 17:40Summary of Zeroing Technique and Product Value
  28. 18:11Contact Information and Free Shipping

Frequently Asked Questions

What is the recommended method for zeroing the Discovery HD 3-12x44 SFIR scope?

The recommended method is a 'rough and fine' zeroing technique. First, align your rifle's open sights with the target, then align the scope's reticle to the same point. Fire a shot, observe the impact, and use the scope's adjustment turrets to move the reticle to match the bullet's point of impact. Finally, set the turrets to zero.

What are the key specifications of the Discovery HD 3-12x44 SFIR scope?

The Discovery HD 3-12x44 SFIR scope features 3x to 12x magnification, a 44mm objective lens, a 30mm main tube diameter, and an approximate length of 24 cm. It also has an illuminated reticle.

What is the price of the Discovery HD 3-12x44 SFIR scope and what promotions are available?

The Discovery HD 3-12x44 SFIR scope is priced at 5,000 Baht. Currently, there is a promotion offering a free sturdy scope mount (valued at 500 Baht) with the purchase of the scope.

How do you perform a 'rough zero' with the Discovery HD 3-12x44 SFIR scope?

To perform a 'rough zero,' first ensure your rifle's open sights are aligned with the target. Then, adjust the scope's reticle so it also aligns with the same point of aim. This establishes a baseline alignment before making precise adjustments.

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