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Asahiflex I with viewfinder closed. Cameras using the M37 lens mount. Ashiflex I (1952–1953); Asahiflex Ia (1953–1954) — also sold as the Tower 23; Asahiflex IIb (1954–1957) — also sold as the Tower 23
Due to the rotation, water is then picked up by the tube and pumped upwards in the hose. The coil pump, as many low lift pumps, is commonly used for irrigation purposes and for drainage of lands. It is currently still used by farmers in Asia. [1] The coil pump was built as an alternative to the Archimedean screw. Unlike the Archimedean screw ...
In June 2013 Pentax announced the successors to the K-30, the K-50 and K-500. Both are mid-level DSLRs, the K-500 being a stripped-down version of the K-50, having no weather seals and less-advanced electronics. [36] [37] Pentax K-500 uses 4 AA batteries (rechargeable Lithium battery is optional), while Pentax K-50 uses rechargeable Lithium ...
Pentax Corporation (ペンタックス株式会社, Pentakkusu Kabushiki gaisha) was a Japanese camera and optical equipment manufacturer. Currently, it exists as the Pentax Life Care Business Division of Hoya's medical endoscope business, as well as the digital camera brand of Ricoh Imaging, a subsidiary of Ricoh.
Submersible pumps are mounted on two vertical guide rails and seal onto a permanently fixed "duckfoot", which forms both a mount and also a vertical bend for the discharge pipe. For maintenance or replacement, submersible pumps are raised by a chain off of the duckfoot and up the two guide rails to the maintenance (normally ground) level.
It is located in a one-block area surrounded by Third, Rogers, Binney, and Fifth Streets. The property was developed by the Blake and Knowles Steam Pump Company, one of the nation's leading manufacturer of industrial pumps from the late 19th century into the mid-20th century. The district was listed on the National Register of Historic Places ...
2000: Pentax develops and commercializes the world's first diffractive DVD/CD-compatible hybrid pickup lens. [1] 2009: Pentax introduces the world’s first autofocus fisheye lens. That lens is the DA 10-17mm ED (IF) Fish-Eye. [1] 2011: Pentax introduces the world’s smallest and lightest interchangeable lens camera (ILC). That camera was the ...
Pentax 6×7 front Pentax 6×7 top Pentax 6×7 side Pentax 6×7 back. The Pentax 6×7 (called "Pentax 67" after 1990) is a SLR medium format system film camera for 120 and 220 film, which produces images on the film that are nominally 6 cm by 7 cm in size (actual image on the film is 56 mm × 70 mm), made by Pentax. It originally debuted in 1965 ...
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