Tamron SP 35mm VC f1.8 v Sigma 35mm f1.4 Art DG HSM At maximum aperture, and a focal distance of 10m, the Sigma has distinctly sharper corners, with resolution dropping off rapidly in Zone D, but substantially more vignette. The Tamron has a more gradually tapering performance both in terms of vignette and resolution, but …
Adaptation of lenses for smaller formats, with correspondingly smaller image circles, involves advantages and trade-offs: adapted lenses are typically more varied, plentiful, cheaper, smaller and higher resolving – but inevitable compatibility issues range from trivial to insuperable. The GFX 44x33mm sensor lies between the classic 35mm ‘full-frame’ and 645 medium formats. As well as Fujifilm’s …
Resolution: Unshifted For comparison we here include a capture at f5.6 by the Panasonic Lumix-S 20-60mm kit lens with lens profiling turned on.
Light Handling & Flare There’s more to a lens than resolution, so we’ll come to that last. Light angles are actually a dominant property of the behaviour of shift lenses on both sides of the iris – especially when comparing vintage lenses with period coatings. The Olympus 35mm Shift here tested has been remounted to …
Introduction Legacy medium format lenses have seen a recent uptick in valuation and demand, thanks largely to Fuji’s GFX system.The Pentax 645Z fraternity continues to watch with detached interest the pointless hurly-burly of the camera business while patiently going about its work much in the manner of twenty years hence – and Phase One and …
