WebThe William Optics RedCat 71 is a 71mm f/4.9 refractor with a Petzval design that comprises a doublet front group with FPL-53 glass element, plus a single central element and a single rear lens. Designed primarily for astrophotography, the RedCat 71 provides a flat image plane (without need of an additional flattener), an image circle over 45mm ... WebThe Nikon D780 is a professional full frame DSLR and the successor to the popular D750. Powering the D780 DSLR is a back-illuminated 24.5 MP full-frame CMOS sensor, EXPEED 6 image processor, and an intelligent 51-point (optical viewfinder) or 273-point on-sensor Hybrid autofocus system. The large 24.5 megapixel full fr
Nikon D3500 DSLR Camera with AF-P DX 18–55 VR Kit
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The Sun - A Guide to Safe Solar Imaging - Orion Telescopes
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