w*******y
发帖数: 60932 | 1 Possible price mistake: The Panasonic Leica 25mm f/1.4 lens for ~$500
shipped The last time I saw something like this happen on Amazon, the
company corrected the pricing error a day later.
Link:
http://www.amazon.com/Panasonic-Leica-Summilux-Aspherical-Syste
If you would prefer to use ebay instead, J&R sells it for $506.69 there:
Link:
http://www.ebay.com/itm/Panasonic-Leica-DG-Summilux-25mm-f-1-4-
Compare this to $539 or higher virtually everywhere else--Crutchfield, B&H,
Adorama, etc. etc. all the way down the line. Don't ask me why J&R charges
MORE at their own site than they do at Amazon and ebay.
20mm = 40mm in full frame terms
20mm = 26.7mm in APS-C terms
25mm = 50mm in full frame terms
25mm = 33.3mm in APS-C terms
The 20mm f/1.7 is a great lens, but since it's priced at ~$350, I would
rather pay the extra $150 and haul the extra 100 grams of weight and get
faster, quieter autofocus that works in AF-Continuous mode (especially good
for video), and an extra half f-stop of speed (going from f/1.7 to f/1.4).
The f/1.4 is better in low light and allows for more depth of field blur.
You can't really go wrong either way, though--both are sharp wide open and
the 20mm is actually sharper until somewhere around f/2.2-2.8 at which point
the 25mm overtakes it (same center sharpness but better corners). The 25mm
also controls distortion and CA better, but it's not a huge deal since those
can be fixed in-camera or in post-processing.
Reviews and comparisons:
Link:
http://www.slrgear.com/reviews/showproduct.php/product/1295
(20mm)
Link:
http://www.slrgear.com/reviews/showproduct.php/product/1439
(25mm)
Link:
http://www.lenstip.com/index.php?test=obiektywu&test_ob=269
(20mm)
Link:
http://www.lenstip.com/index.php?test=obiektywu&test_ob=314
(25mm, won a rare Lenstip Editor's Choice award)
Link:
http://www.diwa-labs.com/wip4/test_result_overview.epl?product=
(20mm; no review for the 25mm available)
Link:
http://www.photozone.de/olympus--four-thirds-lens-tests/464-pan
(20mm; no review for 25mm available)
Link:
http://www.ephotozine.com/article/panasonic-20mm-f-1-7-lumix-g-
(20mm)
Link:
http://www.ephotozine.com/article/panasonic-leica-dg-summilux-2
(25mm)
Link:
http://www.photoreview.com.au/reviews/cameraaccessories/panason
(20mm)
Link:
http://www.photoreview.com.au/reviews/cameraaccessories/panason
(25mm)
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