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Jupiter-8 versus Industar-61 L/D versus Summicron

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[quote][i]Originally posted by Fotohuis[/i]
[br]Not in this test but done before is the [i]Jupiter-12[/i] F/2,8-35mm (Biogon type).
Here also an example on ATP1,1 in RLC 1+5. BTW all pics with this film will be made on almost open aperture due to the fact that the resolution of a lens will go down rapidly when closing the aperture.
In this example F/3,5. This ATP1,1 film can reach approx. 400lp/mm but on a high contrast light situation. In most regular photographic circumstances and in the studio, 1:8 in contrast which means just over 250lp/mm for this film.

Closing the aperture means approx. this calculation:

Again using ideal values for the Rayleigh limit, and applying the contrast theory of K�hler, the resolution for the average wavelength of light (0,555 micron) is:
 
Aperture    Resolution
(F/)
1,4   550 lp/mm
2.0   385 lp/mm
2.8   263 lp/mm
4,0   185 lp/mm
5.6   135 lp/mm
8.0   94 lp/mm
11.0   69 lp/mm

Source and (c): IMX (2001) Erwin Puts.

Here the example with this nice and small compact gem:

[img]http://farm9.staticflickr.com/8215/8380173529_cbf9f29e5e_c.jpg[/img]

F/3,5 which means a theoretically around 220lp/mm.

Robert
"De enige beperking in je fotografie ben je zelf"
http://gallery.fotohuisrovo.nl/ 
http://www.flickr.com/photos/fotohuisrovo/
[/quote]

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T O P I C R E V I E W
Fotohuis	Posted - Nov 16 2013 : 11:24:24 AM Testing in the Dutch Analogue Photo Forum, maybe interesting here too. I know this J-8 is a great lens. Here a picture in the war museum Overloon. F/2,0 on Fomapan Creative 200 film, E.I. 160 and developed in Xtol 1+1 for 9:00 minutes at 20C. Zorki 4K. This test will be done on high resolution micro film, ATP1,1 (Rollei-Agfa Gevaert). More soon ......... �� "De enige beperking in je fotografie ben je zelf" http://gallery.fotohuisrovo.nl/ http://www.flickr.com/photos/fotohuisrovo/
7 L A T E S T R E P L I E S (Newest First)
Fotohuis	Posted - Jun 20 2014 : 10:16:51 AM Going further in my test. My films used now: Ortho-25 and RPX-25, both from Rollei/OrWo Filmotec. Robert "De enige beperking in je fotografie ben je zelf" http://gallery.fotohuisrovo.nl/ http://www.flickr.com/photos/fotohuisrovo/
Jeffbridge	Posted - Mar 10 2014 : 12:48:19 AM Nice shots, looking forward to seeing more.
Fotohuis	Posted - Nov 22 2013 : 5:00:28 PM Not in this test but done before is the Jupiter-12 F/2,8-35mm (Biogon type). Here also an example on ATP1,1 in RLC 1+5. BTW all pics with this film will be made on almost open aperture due to the fact that the resolution of a lens will go down rapidly when closing the aperture. In this example F/3,5. This ATP1,1 film can reach approx. 400lp/mm but on a high contrast light situation. In most regular photographic circumstances and in the studio, 1:8 in contrast which means just over 250lp/mm for this film. Closing the aperture means approx. this calculation: Again using ideal values for the Rayleigh limit, and applying the contrast theory of K�hler, the resolution for the average wavelength of light (0,555 micron) is: Aperture Resolution (F/) 1,4 550 lp/mm 2.0 385 lp/mm 2.8 263 lp/mm 4,0 185 lp/mm 5.6 135 lp/mm 8.0 94 lp/mm 11.0 69 lp/mm Source and (c): IMX (2001) Erwin Puts. Here the example with this nice and small compact gem: F/3,5 which means a theoretically around 220lp/mm. Robert "De enige beperking in je fotografie ben je zelf" http://gallery.fotohuisrovo.nl/ http://www.flickr.com/photos/fotohuisrovo/
Jacques M.	Posted - Nov 22 2013 : 4:00:27 PM You should have it soon! Jacques.
Fotohuis	Posted - Nov 22 2013 : 12:57:38 PM I will test the Industar-61 without Lanthanium from Jacques in this test too. It is from 1967 together with a FED 3 50 years of the CCCP revolution special edition. As soon as it has been arrived from France I will take it in this test too. Jacques, merci pour envoyer cette camera et objectiv de les Pays-Bas. Robert "De enige beperking in je fotografie ben je zelf" http://gallery.fotohuisrovo.nl/ http://www.flickr.com/photos/fotohuisrovo/
Fotohuis	Posted - Nov 19 2013 : 10:52:14 AM J-8 with ATP1,1 (Rollei) in R.L.C. (Film Low Gamma) 1+5. Edit: F/3,5 for the reason mentioned below. J-8 (Fuji pro 160S). Summicron (Fuji pro 160S) Edit: Color film has a much lower resolution. A top notch film like Velvia 50 (E-6) can reach 85lp/mm. This pro 160S Fuji C-41 film maybe around 65lp/mm. Robert "De enige beperking in je fotografie ben je zelf" http://gallery.fotohuisrovo.nl/ http://www.flickr.com/photos/fotohuisrovo/
Jacques M.	Posted - Nov 19 2013 : 08:09:45 AM A great idea to make comparisons between several lenses. I wait for the next post... Thanks, Robert. Jacques.

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