SVBONY Astrophotography Kit, SV545 Telescope Petzval Lens APO and SV238 Off-Axis Guider with M48 Filter Drawer, F4.5, 203mm Focal Length, Refractor Telescope Supports EAF (not Included)

SVBONY Astrophotography Kit, SV545 Telescope Petzval Lens APO and SV238 Off-Axis Guider with M48 Filter Drawer, F4.5, 203mm Focal Length, Refractor Telescope Supports EAF (not Included)

• Complete Astrophotography Kit: SV545 Telescope Petzval Lens APO with 203mm focal length and F4.5 fast aperture charges deep-sky shooting efficiency; while the SV238 OAG with its large 8x14mm prism ensures reliable guiding even in sparse star fields; with SV226P M48 Filter Drawer Together; they form a matched system for astrophotographers
• Wide-field and high-efficiency imaging: Capture expansive star fields with the SV545 Astrophotography Telescope; Its 203mm focal length and fast f/4.5 aperture deliver high-efficiency imaging; maintaining stable performance in low-light conditions
• Precision petzval optics: SV545 Petzval lens features a 3-group; 5-element APO design that dramatically reduces chromatic aberration; Each frame delivers sharp stars and accurate color rendition
• Built in field flattener for edge-to-edge sharpness: SV545 Petzval lens features a built-in field flattener that corrects field curvature and minimizes optical distortion; Every corner stays tack-sharp; even on a Full Frame Astronomy Camera
• Flawless Guiding with Dual-Helical Precision: The SV238 off-axis guider features a dual helical focuser for ultra-fine; vibration-free adjustments ensuring your guide stars are critically sharp; No more floppy focuser arms or unstable connections; Combined with the large prism; you get higher guide-star success rates and round stars; every time
• Large Prism Height adjustable: SV238 Off-Axis Guider (OAG) 8x14mm Large Prism captures more starlight and provides a wider field of view; making it easier to find suitable guide stars even in sparse star fields; This ensures higher guiding success and stable performance; Features precise prism height adjustment; allowing flexible alignment
• Strong OAG support: SVBONY SV226P filter drawer uses 12 evenly spaced M2.5 threads for a tight; stable OAG connection keeping your telescope filter drawer setup solid and aligned
• Dual-size compatibility: This filter holder features a 2-in-1 design that fits both 1.25 inch and 2 inch filters reducing extra purchases and simplifying your telescope accessory setup