Archived posting to the Leica Users Group, 1998/04/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Just thought I would add my piece to the noctilux thread: It might be useful to prospective noctilux buyers: When I first got the lens, I marveled at the quality of construction, the= smoothness of the focusing. = My fears of the lens being too large were also dispensed with - so much s= o that after about a year of never using my summicron - I sold the smaller lens, and have never regretted doing s= o. However I was initially very dissapointed with the resulting photos - the= optical 'failings' of lens just screamed out. The first night after the lens arrived, I was very keen to see just how good the was, so I rushed some polaroid polachrome through it: the pictur= es were terrible ! = I had taken the camera out and shot off a dozen pictures around the town just after it got dark, all taken with the lens wide open. = Street scenes were very dark except in the centre - it looked like the le= ns had tunnel vision. The street lights had the biggest coma flashes I had ever seen - about 5m= m on the slide. The longer exposures ( on tripod ) of 20s or so - showed some reflected= street lights in the sky. After this I came to the conclusion that this was not a lens for 'technical' night photography. I then tried something different: I used the noctilux to take 'candid' photos at my sisters wedding - the results ? They were just brilliant - the indoor pictures showed a smoothness and plasticity I had never seen before yet were stunningly sharp at the focu= s. The out of focus background - stained glass windows etc, showed all the delights of a smooth bokeh ( thanks to PT for introducing this term to the world ). = I used a color neg film Fuji NPH - the light fall off in the corners was acceptable and in most cases not noticable. I also wrote to Leica - Gunter Osterloh as he had commented on the optica= l properties of the lenses in the Leica M book. I explained my results with the noctilux and asked which lenses they cou= ld recommend for astrophotography and in particular which lenses produced th= e least coma. The reply was " the 35 f/1.4 ASPH, NOT the noctilux f/1.0 but the old noctilux f/1.2, NOT the 75 summilux but the 90 summicron " I thought about buying a noctilux f/1.2 until I saw the price of one $8,000. By now it was getting into comet season and I wanted some good pictures o= f Hale-Bopp. Not being able to afford the $8,000 noctilux, I took a gamble = on the Noct-Nikkor 58 f/1.2 ( aspherical ) at only $1600 it seemed like a bargin even considering I had to buy a body to use it on. I applied a similar street test to the Nikkor - it passed with flying colours: no fall off, no coma and few reflections. I thought that I had cracken the problem - goodby Leica. ( btw. the viewfinder in the FM2 with the f/1.2 is a lot brighter than= the Leica viewfinder ) I then took a few rolls of Provia 1600 and TMZ of Comet Hale-Bopp mainly with the Nikkor but I also took a film with the Leica noctilux as a backu= p. =2E = The photos looked great no the light box BUT there was something no qui= te right with the nikkor slides - all the stars were fuzzy. Compared side by side the 'backup' photos taken on the Leica noctilux wer= e pin sharp and the comet looked a lot better. In the end I never used any of the nikkor photos as they looked so bad when next to the leica ones. = The problems with the noctilux i.e. coma and falloff were still there bu= t the subject was such that they were masked. = The pure dark sky meant that the corner light falloff only reduced the number of periferal stars and the coma - predominantly blue - was only se= en in stars at the extreme corners of the image, and was not in the least offensive or distracting. Surprised by this comeback by the noctilux, I carried out a few more test= s: The noctilux is coma free at between f/1.4 and f/2 and falloff is eliminated The Noct-Nikkor needs to be stopped down to between f/2.8 and f/4 to be g= et as sharp as the noctilux is f/1.0 = I sold the Nikkor and kept the Leica noctilux. I learnt the hard way that the noctilux is one of those things that it takes a long time to learn how to work with, but once you have tamed the beast its unbeatable. I hope this tale will be of value to you. Donald Donald_Ingram@compuserve.com =