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Big Prints: Does 36 Megapixels Help vs 24 with Leica M Glass?

Leica 50mm f/2 APO-Summicron-M ASPH

The Leica 50mm f/2 APO-Summicron-M ASPH is the finest lens in the entire line of Leica M lenses. At its best, can it deliver a superior large print when used on the Sony A7R versus its native Leica M 240?

The discussion has a distinct Leica M rangefinder lens viewpoint, taking into account performance issues applying to M rangefinder lenses in particular.

High quality image scaling was used to assess actual print quality at 36-inch and 45-inch print sizes, using the Canon PIXMA Pro 100 (sections of course, given the size).

How much does 36 megapixels matter for prints of that size? In Guide to Leica:

Printing Big: M240 vs Sony A7R with Leica 50/2 APO-Summicron (Mosaic)

Includes scaled matched crops from each camera using the Leica 50/2 APO on both under ideal circumstances. This analysis represents the best possible differentation based on the sensor resolution differences.

Image scaling using Photozoom Pro. Includes a general discussion and perspective.

Related

Note that DAP has two comparisons in a similar vein but comparing formats:

Pentax 645D vs Canon EOS 5D Mark II

Leica S vs Nikon D800E

          
Leica M Typ 240 and Sony A7R
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