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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
4") Focal Ratio f/2
11" HD Optical Tube Assembly
You can also try this filter on Venus
NexStar Evolution’s tracking accuracy is so impressive
Optical Tube Length 24 in (610 mm) Optical Tube Weight 28 lbs
EdgeHD 925 OTA Drop Shipped 4") Focal Ratio f/2Overview Experience our best optical performance with EdgeHDs aplanatic, flat field Schmidt Cassegrain optics for pinpoint stars all the way to the edge of todays largest imaging sensors and widest eyepieces Aluminum optical tube with tube vents featuring an integrated 95 micron mesh filter allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging Versatile design
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