Precise Positioning Guaranteed: Objects centered in the eyepiece automatically align perfectly on the camera sensor; Effortlessly capture planets and deep-sky targets without guesswork or test exposures
Simplified Focusing Process: Switch between eyepiece and camera instantly using the flip mirror; Achieve critical focus visually through the eyepiece; ensuring sharp results for both imaging and observation
Parfocal Helical Focuser: The adjustable helical focuser synchronizes eyepiece and camera focal points; Maintain consistent sharpness when flipping between viewing and imaging modes
Each Alstar 1.25 inch O III Filter is individually inspected and proudly inscribed with the percentage of light transmittance of the two O III emission lines
Not only useful at light polluted sites; the contrast is also increased at dark sky sites; can be used with all 1.25 inch eyepieces; Filter made from high grade glass with dichroic interference and antireflection coatings
Alstar 1.25 inch 5X 4-Element Multi-Coated Short Barlow Lens Gold Line | Apochromatic Correction, Clear and Sharp Images, Compression Ring, High-Power Magnification with ED Glass Optics
SAR 647
Alstar 1.25 inch 2X Barlow Lens with M42 Thread Telescope Accessories | MultiCoated Lens, Robust Metal Housing, Camera Connect Interface, Two Fixing Thumbscrews, Extra Focuser Back Travel
SAR 89
Alstar 1.25 Inch 90Degree Diagonal Prism with Optical Prism Instead Mirror | Image Clear and Sharp, 1.25 inch Eyepiece Adapter, Observe Comfortably, 89% Reflection for a Bright Image, Metal Barrel
SAR 141
Alstar 1.25 Inch 45Degree Diagonal Prism with Optical Prism Instead Mirror | Provides an Upright and Non-Reversed Image, Metal Connectors, ABS Plastic Housing, Coated for High Contrast, Female Thread
SAR 126
