Feature(may vary by option.)
●Product Name: ACROMATIC Refractor Telescope Intended Optical System: Double Adhesive Optics
●Coating: blue film with full surface
●Focal Length: 15.7 inches (400 mm) Diameter Tolerance: + 0 / -0.12 mm
●Focal Length Resistance: +/- 0.1%
●Purpose: Telescope aimed lens can be used for scientific research collimator. DIY astronomical telescope and other scientific equipment production
[D70F400]
Description
Product Name: ACROMATIC Refractor Telescope Intended Optical System: Double Adhesive Optics
Coating: blue film with full surface
Focal Length: 15.7 inches (400 mm)
Diameter Resistance: +0 / -0.12mm
Focal Length Resistance: +/- 0.1%
Purpose: Telescope aimed lens can be used for scientific research collimator. DIY astronomical telescope and other scientific equipment production