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On September 7, 2024, at the annual photo fair of Saint-Bonnet-de-Mure, France, I found this Meyer-Optik Görlitz lens Oreston 1:1.8 f=50mm in M42 mount that I wanted to associate to my Praktica IV SLR camera body.
The lens was in acceptable condition for 20€ in the range range of price of my Praktica IV. Both were manufactured in Dresden, Germany in the year 1960’s. Oreston lens was marketed starting from 1965 in order to equip, in particular, the Praktica Nova that was anticipated to be produced massively by Pentacon for exportation (zeissikonveb.de/start/objektive/normalobjektive/oreston.html).
Oreston was a modern normal lens 6-lens double Gauss type, capable to compete with other foreign productions of that time, with a large aperture, automatic diaphragm mechanism, and optical performances that could not rival to Zeiss Jena productions (as the Flexon and Pancolar) but still very near at medium apertures.
For testing the lens, I loaded a 36-exposure black-and-white Fomapan 100.In the Praktica IV equipped with the Oreston lens. The lens was equipped a generic Yellow 49mm screw-on filter and a cylindrical modern shade hood for the views taken. The expositions were determined for 64 ISO instead of the nominal 100 ISO to compensate the filter light absorption, using an Autometer III Minolta light meter fitted with a 10° finder for selective measurements privileging the shadow areas or with the integrative dome for measurement of the incident light.
Place Louis Pradel, September 10, 2024
69001 Lyon
France
After complete exposure, the film was revealed using Adox Adonal (Agfa Rodinal) developper at dilution 1+50 at 20°C for 9 min. The film was then digitized using a Sony A7 body fitted to a Minolta Slide Duplicator installed on a Minolta Auto Bellows III with a lens Minolta Bellow Macro Rokkor 50mm f/3.5. The RAW files obtained were processed without intermediate files in LR and edited to the final jpeg pictures.
All views of the film are presented in the dedicated album either in the printed framed versions and unframed full-size jpeg plus some documentary smartphone color pictures.
About the Praktica IV camera :
I got the camera body Praktica IV and a set of related KDH Leipzig accessories from an eBay seller near Paris, France.. The whole arrived to me on January, 31, 2024, in Lyon, France.
The Praktica IV was designed by the prestigious KW (Kamera Werk Niedersedlitz) German company in Dresden on the basis of their previous Praktica FX SLR camera's. The camera was produced first under the KW name starting from June 1959 then within the Kombinat VEB Pentacon after the merge of the company in 1960.
166.800 Praktica IV and V (6 models) were produced until January 1966. Praktica IV essentially incorporates a condenser focusing screen plus a pentaprism. Due to the Praktica FX architecture the Pentaprism looks protruding from the camera body with an unusual style. It fits lenses with M42x1 mount and the mirror has no automatic return. The shutter is made of two horizontal curtains of rubberized fabric giving 1/500s to 1/2s plus B in two registers of slow speeds (1/2s to 1/10s) and high speeds (1/25s to 1/500s). The film is advanced coupled to the shutter cocking using either the right upper button or the rapid lever underneath the body.
The Praktica IV handles the "Auto" M42 lenses with the lever for automatic iris closing upon the release. Sequentially, when pressing the shutter release button, the diaphragm closes to the indicated value, the mirror is lift-off and finally the shutter is erased at the given value. If a non-auto (manual closing) M42 is used the pushing lever could be cancelled (declutched) moving a small red button to the right in the mirror chamber.
The camera camera came without lens but with a body cap and the original ever-ready leather bag with et "Ernermann tower" Pentacon logo. This model is likely the second Praktica IV essentially the same as the initial KW one with a different front plate. The camera was likely art of a collection and is completely preserved without use marks.
The KDH Leipzig (Kurt-Dieter Huffziger Foto- und Kinozubehör) accessories set included:
-A panoramic tripod head
-A set of three extension tubes M42x1)
- A big aluminum shade hood (screw-on 49mm) for wide-angle lens.
- A M42x1 metal body cap in its original box.
- An accessory shoe fitting the the Praktica IV eye piece.
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French Foreign Minister Bernard Kouchner and U.N. Secretary-General Ban Ki-moon attend a reception for U.N Francophone Ambassadors in New York City
March addition to the collection.
I have been slowly downsizing my My Little Pony collection (sorry if I've said this before) and I am now concentrating on foreign varients of my favourite ponies.
I have a one in one out policy so my current Italy Snowflake will be leaving soon. I'd like a nice varied collection of varients from various countries LOL.
These foreign bodies of undetermined type were observed within giant cells in an ileal biopsy. They are round with a central hole the contains a small amount of solid material in the center. They are not birefringent. Their appearance is quite like foreign bodies seen in another case (tinyurl.com/25z7uprs).
Images contributed by Dr. Celina Stayerman - @ariella8
Gastric biopsy shows grayish particles of foreign material mostly present within macrophages. The patient’s history provides no clue as to what this material is. None of the drugs that she was taking are known to be deposited in the gastric mucosa.
Images contributed by Dr. Jackson Barbosa - @jcksalex
1 year after the exhibition 'A mental dislocation', I exchanged all the objects of memory with people who have foreign currency at a LIVE performance 'The Terminal' in London.
The total amount I collected was S$55: 10 Zlotych + 100 Dirhams + US$4.01 + 7.15euros
This amount is the final value of everything inherent in the objects.
This work is now closed.
27 October 2011 -Pre CHOGM Foreign Ministers Meetingat the Perth Convention and Entertainment Centre host to CHOGM, Perth Western Australia.©Annaliese McDonough/Commonwealth Secretariat
Foreign workers gather to break fast at the end of the first day of Ramadan in Jeddah September 1, 2008. Muslims around the world abstain from eating, drinking and conducting sexual relations from sunrise to sunset during Ramadan, the holiest month in the Islamic calendar. REUTERS/Stringer (SAUDI ARABIA)
10/09/2024. London, United Kingdom. Foreign Secretary David Lammy meets US Secretary of State, Antony Blinken. King Charles Street. Picture by Ben Dance / FCDO