SV406P 20-60X80 Angled ED Extra-Low Dispersion Dual Focus Spotting scope for Bird Watching is designed with extra-low dispersion glass to maintain color authenticity. Dual focus makes you to focus more precisely and give you the most perfect experience. BAK4 prism and FMC (Fully Multi-Coated) optics, increasing light transmission through the optical path to deliver sharp, crisp and high contrast images. It is nitrogen-filled, completely waterproof and fogproof. You could enjoy hunting, bird watching interest even in wet weather. It is suitable for nature lovers and birdwatchers.
This SV406P spotting scope could be used with 1.25-inch astronomical telescope eyepieces. Learn more details from https://www.svbony.com/blog/test-sv406p-spotting-scope-with-an-astronomical-eyepiece/
Specifications
| Model | SV406P |
| Power | 20x-60x |
| Objective Diameter | 80mm |
| Objective Material | Extra-Low Dispersion Glass |
| Focal Length | 430mm |
| Objective Lens structure | 3-Elements / 3Groups |
| Eyepiece Diameter | 24mm |
| Barrel Size of Eyepiece | 1.25inch |
| Zoom Eyepiece Lens structure | 7-Elements / 4Groups |
| Type of Prism | BaK-4 |
| Prism Coating | FMC |
| Lens PCS/Groups | 10Pieces / 7Groups |
| Real Field of Angle (Degree) | 2.1°- 1.1° |
| Apparent Field of View | 42°- 66° |
| Field of View (ft/1000yds) | 108ft - 60ft |
| Field of View (m/1000m) | 36m – 20m |
| Resolution (") | 2.0" |
| Near Focus | 18ft / 5.5m |
| Relative Brightness | 16@20x / 1.69@60x |
| Exit Pupil (mm) | 4mm-1.33mm |
| Eye Relief (mm) | 20mm-18mm |
| Lens Coating | Fully Multi Coated |
| Focus System | Dual Focus Mechanism |
| Focus Type | Internal Porro Prism |
| Nitrogen Filled | Yes |
| Water Proof | IPX7 |
| Nitrogen Filled | Yes |
| Eye Cup Type | Twist-up |
| Net Weight | 1625g / 3.58lb / 57.32oz |
| Dimension | 405x180x120mm |
The Parameter Comparison of SV406P and SA405 Spotting Scope
| Model | SV406P | SA405 | SA405 |
| SKU | F9355B | F9383A | F9383B |
| Magnification | 20x-60x | 20-60X | 20-60X |
| Objective Diameter | 80mm | 85mm | 85mm |
| Objective Material | Extra-Low Dispersion Glass | Extra-Low Dispersion Glass | High Definition Glass |
| Focal Length | 430mm | 482.6mm | 482.6mm |
| Eyepiece Diameter | 24mm | 28mm | 28mm |
| Objective Lens structure | 3-Elements / 3Groups | 3-Elements /2Groups | 2-Elements /2Groups |
| Zoom Eyepiece Lens structure | 10pieces/7group | 7pieces/4group | 7pieces/4group |
| Prism Coating | FMC | FMC | FMC |
| Barrel Size of Eyepiece | 1.25inch | 1.25inch | 1.25inch |
| Real Field of Angle (Degree) | 2.1°-1.1° | 1.92°- 0.93° | 1.92°- 0.93° |
| Field of View (ft/1000yds) | 108ft-60ft@1000yds | 102-48ft@1000yds | 102-48ft@1000yds |
| Near Focus | 18ft / 5.5m | 12m | 12m |
| Exit Pupil (mm) | 4mm-1.33mm | 4－1.35mm | 4－1.35mm |
| Eye Relief (mm) | 20mm-18mm | 19.5-18mm | 19.5-18mm |
| Lens Coating | Fully multi-coated | Fully multi-coated | Fully multi-coated |
| Focus System | Dual Focus Mechanism | Helical Focus Wheel | Helical Focus Wheel |
| Nitrogen Filled | Yes | Yes | Yes |
| Waterproof | IPX7 | IPX6 | IPX6 |
| Eye Cup Type | Twist-up | Twist-up | Twist-up |
| Dimension | 405x180x120mm | 430x103x173mm | 430x103x173mm |
| Armor material | Rubber | Rubber | Rubber |
| Field of View (m/1000m) | 36m – 20m | 34m -16m | 34m -16m |
| Resolution (") | 2.0" | ||
| Relative Brightness | 16@20x / 1.69@60x | ||
| Apparent Field of View | 42°- 66° | 45° | 45° |
| Type of Prism | BaK-4 | K9 | K9 |
| Color | Army Green | Army Green | Army Green |
| Net Weight | 1625g / 3.58lb / 57.32oz | 2100g | 2020g |
1.First Svbony ED Spotting Scope, which has Extra-Low Dispersion to maintain color authenticity.
2.Its eyepiece is removable and can be replaced with a 1.25-inch astronomical eyepiece.
3.Dual focus makes you to focus more precisely and give you the most perfect experience.
4.It is nitrogen-filled, completely waterproof and fogproof. You could enjoy hunting, bird watching interest even in wet weather.
5.BAK4 prism and FMC (Fully Multi-Coated) optics, increasing light transmission through the optical path to deliver crisp, high contrast images
6.It has a 80mm caliber to give you a clear and bright field of vision.