18 ISO ex­panded

NPhoto - - Special Feature -

The D7500 has an im­pres­sive max­i­mum ISO of 51,200, the same as the pro-spec D500 and 1EV more than the cheaper D7200. But it also of­fers no fewer than five ‘ex­panded’ set­tings to take it up to a max­i­mum of ISO1,640,000. It re­mains to be seen what the qual­ity is like at this level, but we usu­ally find that su­per-high ISOs have a knock-on ef­fect on im­age qual­ity fur­ther down the ISO range. Nor­mally the only sure way to get less noise is with big­ger sen­sors and pho­to­sites, but Nikon’s EXPEED 5 im­age pro­ces­sor will play a part in this. In any event, the D7500 looks set to be a ter­rific low-light cam­era.

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