Sale! This optical acrylic sheet offers 92% of light transmission that will give you the biggest and brightest diffraction spikes when focusing. This acrylic mask delivers 3 times brighter diffraction spikes than traditional metal masks.-Diffraction Spikes: Baht
This optical acrylic sheet offers 92% of light transmission that will give you the biggest and brightest diffraction spikes when focusing. This acrylic mask delivers 3 times brighter diffraction spikes than traditional metal masks.
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Diffraction Spikes: Bahtinov focusing mask
Made for telescope dew shield diameters of 105 mm to 148 mm (4.13-inches to 5.826-inches).
Cost: $25
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Delivery Time:
It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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