Feature(may vary by option.)

●AstroStreet Triplet 2.5x Apocromatic Barlow Lens 31.7mm Diameter
●The lenses are also made of 3-bead apocromatic lenses, and the coating is made of very good quality Hooley multi-coat
●The large lens with an effective diameter of 0.9 inch (23 mm) is very high performance and does not vignetrate even with long focus eyepieces
●[Magnification] 2.5x [Lens] Apocromat 3 Element Airspaced [Sleeve Diameter] 1.25 inch (31.7 mm)
●Coating: Fully Multi-Coated (Total Length) Approx. 3.0 inches (75 mm) (Actual measurement)

[2.5倍]

[5倍]

[3倍]

Description

Please refer to the screen