Plus: Incredibly fast; sharp, clean images; exceptional build quality Minus: Heavy and bulky; images are soft in corners Summary: The Sigma 14mm f/1.8 DG...
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All images by Alan Dyer. Available only direct from mavenbuilt.com $1,045 USD (Used demo unit) $1,100 USD (New stock unit) $1,450 USD (Custom-built unit)...
Plus: Superb optics, good for visual and photographic use; excellent fittings and finish Minus: No case provided; flattener can be hard to screw on...
In a world abundant with Schmidt-Cassegrainian telescopes (SCT), the GSO (Guan Sheng Optical of Taiwan) 8-inch offering (MSRP: $899) is throwback to the all-mirror...