SVBONY SV555 54mm F4.5 APO Petzval Astrograph OTA | F9395A

SVBONY SV555 54mm F4.5 APO Petzval Astrograph OTA | F9395ASvbony SV555 professional astronomical photography Astrograph Telescope APO is designed for deep sky photography. Petzval objective lens structure includes a triplet lens and 2 ED glasses offering a clear image without aperture blocking. 44mm full frame has a wide field of view and provides a clearer image. EAF kit and fine adjustment make it convenient to shoot (EAF not included). F22 to F4. 5 variable aperture meets different use needs. For

features prominent in the CaK 393

Best if used closest to the chip to minimize any vignetting

* Some slower Newtonians that were originally intended for visual use will not reach focus with some cameras using the stock focuser

The retractable design of the dew shield

65 Rayleigh Limit 2 Limiting Magnitude 11

17e- AD Sample Depth 12-bit (output as 16-bit and 8-bit) Built-in Image Buffer 512MB DDR3 Memory ROI Frame Rate Full Resolution 42FPS @8BIT 23FPS @16BIT

The ST-4 guiding port allows one to connect the camera to a mount GUIDE port for ST-4 autoguiding

and many other lapidary materials

or larger planets like Saturn and Jupiter

Extension Side 1 Thread: M58*0

including CubePro

My Awesome Field Guide to North American Birds is a complete handbook for young birders