Leica DG 10-25mm f1.7 review
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Written by Gordon Laing
Quality
To test the optical quality of the Leica DG 10-25mm f1.7, I shot the following landscape scene at 10, 18 and 25mm using all aperture settings; for each focal length I’ve presented 100% crops from the centre and corner areas, indicated by the red rectangles. The lens exhibited some field-curvature at the short and long-ends, so I shot the scene twice at 10 and 25mm, first focusing in the centre and then in the corner for their respective results. For the 10 and 18mm results, I matched the field-of-view with the Leica DG 8-18mm for a direct comparison, while at 25mm I compared it against the Leica DG 25mm f1.4 prime lens. All images were shot in RAW using the Lumix G9 and processed with Adobe Camera RAW using zero noise reduction and sharpening settings of 50 / 0.5 / 36 / 10. First let’s look at the performance at 10mm where I’ve presented the 10-25mm in the left column and the 8-18mm in the right. Here are the areas used by the crops.
Leica DG 10-25mm f1.7 vs DG 8-18mm f2.8-4 at 10mm. Corner crops
Above: Leica 10-25mm at 10mm f1.7. 100% crop from corner
Above: Leica 10-25mm at 10mm f2. 100% crop from corner
Above left: Leica 10-25mm at 10mm f2.8. Above right: Leica 8-18mm at 10mm f3.2. 100% crops from corner
Above left: Leica 10-25mm at 10mm f4. Above right: Leica 8-18mm at 10mm f4. 100% crops from corner
Above left: Leica 10-25mm at 10mm f5.6. Above right: Leica 8-18mm at 10mm f5.6. 100% crops from corner
Above left: Leica 10-25mm at 10mm f8. Above right: Leica 8-18mm at 10mm f8. 100% crops from corner
Above left: Leica 10-25mm at 10mm f11. Above right: Leica 8-18mm at 10mm f11. 100% crops from corner
Above left: Leica 10-25mm at 10mm f16. Above right: Leica 8-18mm at 10mm f16. 100% crops from corner
Above: Leica 8-18mm at 10mm f22. 100% crop from corner
Leica DG 10-25mm f1.7 vs DG 8-18mm f2.8-4 at 10mm. Centre crops
Above: Leica 10-25mm at 10mm f1.7. 100% crop from centre
Above: Leica 10-25mm at 10mm f2. 100% crop from centre
Above left: Leica 10-25mm at 10mm f2.8. Above right: Leica 8-18mm at 10mm f3.2. 100% crops from centre
Above left: Leica 10-25mm at 10mm f4. Above right: Leica 8-18mm at 10mm f4. 100% crops from centre
Above left: Leica 10-25mm at 10mm f5.6. Above right: Leica 8-18mm at 10mm f5.6. 100% crops from centre
Above left: Leica 10-25mm at 10mm f8. Above right: Leica 8-18mm at 10mm f8. 100% crops from centre
Above left: Leica 10-25mm at 10mm f11. Above right: Leica 8-18mm at 10mm f11. 100% crops from centre
Above left: Leica 10-25mm at 10mm f16. Above right: Leica 8-18mm at 10mm f16. 100% crops from centre
Above: Leica 8-18mm at 10mm f22. 100% crop from centre
Leica DG 10-25mm f1.7 optical quality at 18mm
Leica DG 10-25mm f1.7 vs DG 8-18mm f2.8-4 at 18mm. Corner crops
Above: Leica 10-25mm at 18mm f1.7. 100% crop from corner
Above: Leica 10-25mm at 18mm f2. 100% crop from corner
Above: Leica 10-25mm at 18mm f2.8. 100% crop from corner
Above left: Leica 10-25mm at 18mm f4. Above right: Leica 8-18mm at 18mm f4. 100% crops from corner
Above left: Leica 10-25mm at 18mm f5.6. Above right: Leica 8-18mm at 18mm f5.6. 100% crops from corner
Above left: Leica 10-25mm at 18mm f8. Above right: Leica 8-18mm at 18mm f8. 100% crops from corner
Above left: Leica 10-25mm at 18mm f11. Above right: Leica 8-18mm at 18mm f11. 100% crops from corner
Above left: Leica 10-25mm at 18mm f16. Above right: Leica 8-18mm at 18mm f16. 100% crops from corner
Above: Leica 8-18mm at 18mm f22. 100% crop from corner
Leica DG 10-25mm f1.7 vs DG 8-18mm f2.8-4 at 18mm. Centre crops
Above: Leica 10-25mm at 18mm f1.7. 100% crop from centre
Above: Leica 10-25mm at 18mm f2. 100% crop from centre
Above: Leica 10-25mm at 18mm f2.8. 100% crop from centre
Above left: Leica 10-25mm at 18mm f4. Above right: Leica 8-18mm at 18mm f4. 100% crops from centre
Above left: Leica 10-25mm at 18mm f5.6. Above right: Leica 8-18mm at 18mm f5.6. 100% crops from centre
Above left: Leica 10-25mm at 18mm f8. Above right: Leica 8-18mm at 18mm f8. 100% crops from centre
Above left: Leica 10-25mm at 18mm f11. Above right: Leica 8-18mm at 18mm f11. 100% crops from centre
Above left: Leica 10-25mm at 18mm f16. Above right: Leica 8-18mm at 18mm f16. 100% crops from centre
Above: Leica 8-18mm at 18mm f22. 100% crop from centre
Leica DG 10-25mm f1.7 optical quality at 25mm
Leica DG 10-25mm f1.7 at 25mm vs DG 25mm f1.4. Corner crops
Above left: Leica 10-25mm at 25mm f1.7. Above right: Leica 25mm at f1.4. 100% crops from corner
Above left: Leica 10-25mm at 25mm f1.8. Above right: Leica 25mm at f1.8. 100% crops from corner
Above left: Leica 10-25mm at 25mm f2. Above right: Leica 25mm at f2. 100% crops from corner
Above left: Leica 10-25mm at 25mm f2.8. Above right: Leica 25mm at f2.8. 100% crops from corner
Above left: Leica 10-25mm at 25mm f4. Above right: Leica 25mm at f4. 100% crops from corner
Above left: Leica 10-25mm at 25mm f5.6. Above right: Leica 25mm at f5.6. 100% crops from corner
Above left: Leica 10-25mm at 25mm f8. Above right: Leica 25mm at f8. 100% crops from corner
Above left: Leica 10-25mm at 25mm f11. Above right: Leica 25mm at f11. 100% crops from corner
Above left: Leica 10-25mm at 25mm f16. Above right: Leica 25mm at f16. 100% crops from corner
Leica DG 10-25mm f1.7 at 25mm vs DG 25mm f1.4. Centre crops
Above left: Leica 10-25mm at 25mm f1.7. Above right: Leica 25mm at f1.4. 100% crops from centre
Above left: Leica 10-25mm at 25mm f1.8. Above right: Leica 25mm at f1.8. 100% crops from centre
Above left: Leica 10-25mm at 25mm f2. Above right: Leica 25mm at f2. 100% crops from centre
Above left: Leica 10-25mm at 25mm f2.8. Above right: Leica 25mm at f2.8. 100% crops from centre
Above left: Leica 10-25mm at 25mm f4. Above right: Leica 25mm at f4. 100% crops from centre
Above left: Leica 10-25mm at 25mm f5.6. Above right: Leica 25mm at f5.6. 100% crops from centre
Above left: Leica 10-25mm at 25mm f8. Above right: Leica 25mm at f8. 100% crops from centre
Above left: Leica 10-25mm at 25mm f11. Above right: Leica 25mm at f11. 100% crops from centre
Above left: Leica 10-25mm at 25mm f16. Above right: Leica 25mm at f16. 100% crops from centre
Check prices on the Leica DG 10-25mm f1.7 at B&H or at Adorama, or if you're in the UK at WEX. Alternatively get yourself a copy of my In Camera book or treat me to a coffee! Thanks!
