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Showing results for tags 'Lux'.
Found 5 results
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Had to do a few quick & dirty street tests with both lenses side by side- the "regular" Summilux 50 ASPH (my version is 11892) and the "Black Chrome" special-edition-becoming-regular-edition Summilux 50 ASPH (11688). Rumor out there in several forums has it, the latter (Black Chrome rehoused) lens is somehow sharper, although even Leica themselves claim both have exactly the same glass. All comparisons were done WIDE OPEN, where the true resolving character of the lens is nested to show differences. All tests done on M10-P Reporter. TL;DR: The lenses are EXACTLY the same, identical sharpness, identical chromatic aberration, identical flares etc. Anyone claiming otherwise must have had a bad copy of his original lux 50 ASPH when comparing the two against each other.
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Wondering if other 28 Lux owners have come across this problem: play in the focusing ring that results in a 'dead spot' when switching focus direction. My copy of the lens currently has about 3mm play where I can move the focusing ring left-right, in the focusing directions, but it does not result in any change of focus (doesn't engage the helicoid). The ring feels entirely disconnected before it pushes against something underneath it. If I keep turning the ring once it 'engages' it then changes the focus as it should. It also moves freely in the north-south directions (if focusing is east-west). Recently I noticed a faint rattling sound of something like a loose small screw or ball bearing when changing the orientation of the lens. This happened all within the span of about a day a little while ago and have kept using the lens, in part due to reluctance to be without it for up to two months for servicing. Initially it was a very slight wobble that was annoying enough on its own, but quickly got much worse with the much greater and more annoying dead spot, as mentioned, of about 3mm. While I'm not the gentlest with my gear, I don't recall any specific incident that may have damaged the lens. I'm the second owner of this copy, received in nearly mint condition back in June 2016, and have used it fairly regularly since then. I thought it might be bad luck but this has now also happened to a friend's copy (that I have not touched ), which seems too coincidental...
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At the saturday market in the town of Pinerolo. M + Lux 50/1.4 Asph. (in-camera B&W) All the best, Enrico.
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Hallo, mit einer Grakarte und einer DigiCam müsste es doch möglich sein recht gut reproduzierbare und RELATIV exakt Beleuchtungsstärken zu messen. Häufig kommt es ja nicht auf eichfähig genau an ob 50 oder 60, 500 oder 650 oder eben 1800 oder 1900 erreicht werden. Aber wenn ca. 1500 Lux gefordert sind und real auch 1550 ( mit eichfähigem Gerät ) erreicht werden eine Nachmessung der Gleichmäßigkeit, daß eben am Arbeitsplatz oder dem Fußweg, dem Schuleingangsbereich usw. die Abweichugnen recht gut erfasst werden. Praktisch gefragt, wie rechne ich um von Graukarte, Cameraeinstellung z.B. 200 ASA vom Meßergebnis aus Blende und Zeit auf Lux Beleuchtungsstärke. Graukarte formatfüllend erfasst und grob unscharf. Gruß
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A bishop deep in thought prior to an Italian wedding ceremony. Captured with a Leica M + 35 lux. Thank you for looking.
