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| 09-22-2011, 05:43 AM | #76 |
| Nikon 10-100mm has 72mm filters vs 62mm for the Panasonic 14-140mm !
The lenses for the larger MFT sensor cameras are smaller !      Last edited by jogiba; 09-22-2011 at 05:49 AM. | |
| 09-22-2011, 05:57 AM | #77 |
 Originally posted by jogiba  The lenses for the larger MFT sensor cameras are smaller ! But the Pana 14-140/4-5.8 is not noteworthy. It would be 18-180/5.2-7.5 on APSC. The Pentax DA 18-250/3.5-6.3 has a longer zoom factor and is faster throughout the range. And still it is identical size and weight to the Panasonic lens. Both use 62mm filters too. And their optical formula is almost identical too (and photozone.de sees no big difference in optical performance for the aperture/focal-ranges covered by both lenses). Which doesn't prevent the Pana lens from being twice as expensive though ... Last edited by falconeye; 09-22-2011 at 06:09 AM. | |
| 09-22-2011, 06:16 AM | #78 |
| Originally posted by falconeye Yeah, the 14-42 is neat. But the Pana 14-140/4-5.8 is not noteworthy. It would be 18-180/5.2-7.5 on APSC. The Pentax DA 18-250/3.5-6.3 has a longer zoom factor and is faster throughout the range. And still it is identical size and weight to the Panasonic lens. Both use 62mm filters too. And their optical formula is almost identical too. Which doesn't prevent the Pana lens from being twice as expensive though ... | |
| 09-22-2011, 06:39 AM | #79 |
| Originally posted by jogiba The Pentax 18-250mm is discontinued . Doesn't make the Pana lens look any better ... And an improved version of the lens is still available new as Tamron's 18-270. | |
| 09-22-2011, 04:02 PM | #80 |
| Originally posted by falconeye So what? Doesn't make the Pana lens look any better ... And an improved version of the lens is still available new as Tamron's 18-270. Tamron -All-in-One Zoom Lenses (Di II Lenses) I only use my GH2 in HD video mode and Pentax is not even close to the GH2 in video quality. Here are some GH2 videos with 14-140mm: BTW on my K-7 I use the 10-24mm & 28-300mm Tamron. Last edited by jogiba; 09-22-2011 at 04:22 PM. | |
| 09-22-2011, 11:07 PM | #81 |
| 09-23-2011, 02:11 AM | #82 |
| Originally posted by jogiba There is no 18-270mm in K-mount. I didn't talk about Pentax. I talked about this particular Pana lens which you seem to love. I only wanted to illustrate that it isn't such a nice lens when compared to APSC alternatives. As it is slower, shorter at the long end and much more expensive without being smaller, more lightweight or optically better. I care because it is just one example that smaller sensors don't necessarily lead to smaller or cheaper systems if system performance is kept a constant. I concede the GH2 with that lens is a nice system for video though. | |
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