#105

NIKON F NIKKOR-P Auto 105MM F2.5 a.k.a. "Afghan Girl (阿富汗女孩)"
日本光学 東京 NIPPON KOGAKU TOKYO JAPAN 株式会社ニコン

The lineage of the 105/2.5 Nikkor can be traced to Nikon's (Nippon Kogaku at the time) earliest post-WWII efforts to establish themselves as a player in the 35mm rangefinder camera market over 75 years ago. Design work on the 105/2.5 itself (labelled 10.5cm, as was industry practice into the 1960s, in many cases) was started in 1949 by Zenji Wakimoto, but the basic optical layout was derived from the Sonnar-type 85/2 Nikkor-P (also labelled as 8.5cm; with the P = Pente = 5 elements) that Saburo Murakami had started development of in 1946 and was released for production in 1948 with Wakimoto continuing to improve the design over the following year or so before embarking on the 105/2.5 project.

It shared popularity with the NIKKOR-P 8.5cm f/2 lens released in 1948, and established itself as a best-selling lens. Offering superior optical performance from the initial design, the optical systems developed for this lens was continued on into the Nikon F era. The initial design used Sonnar type optics (5 lenses, 3 groups). This optical system was continued for about 17 years until the 1970s, thanks to the accurate design concepts and superior optics design implementation.

In 1971 the lens underwent fundamental design changes, emerging as the Nikkor Auto 105mm f/2.5. The optics were designed by SHIMIZU, Yoshiyuki, who was one of WAKIMOTO's disciples. He designed a large number of lenses from the early Nikkor Auto through AI Nikkor, and was also active in designing optics for diverse other applications, including object lenses for microscopes. He was active as a designer until quite recently, and still comes to Nikon as an educator, and he has taught me much since I first entered Nikon. In fact, he is probably one of the most experienced people at the company.

The design for the 105mm f/2.5 was completed in the winter of 1966. The design proposal for this best-selling mid-range telescopic lens was continued for three generations, from the Nikkor Auto to the New NIKKOR, the AI Nikkor and then to the AI-S Nikkor. And surprisingly enough, the AI Nikkor 105mm f/2.5S being sold now still uses the same basic design: a design on the market for 34 years. We will enter the 21st century in about half a year, and the superior performance of this lens is proved by the fact that the basic design required no changes over 34 years.



105/2.5 Nikon Most Famous Portrait Lens as it used to take the world's most famous photograph "Afghan Girl (阿富汗女孩)" by Steve McCurry.

Afghan Girl is a 1984 photographic portrait of Sharbat Gula, an Afghan refugee in Pakistan during the Soviet–Afghan War. The photograph, taken by American photojournalist Steve McCurry near the Pakistani city of Peshawar, appeared on the June 1985 cover of National Geographic. While the portrait's subject initially remained unknown, she was identified by early 2002: Gula, an ethnic Pashtun from Afghanistan's Nangarhar Province, was a 12-year-old child residing in Pakistan's Nasir Bagh.

In light of the Cold War, the portrait was described as the "First World's Third World Mona Lisa" in reference to the 16th-century painting of the same name by Leonardo da Vinci. Gula's image became "emblematic" in some social circles as the "refugee girl/woman located in some distant camp" that was deserving of compassion from the Western viewer,[8] and also as a symbol of Afghanistan to the West. CNN called it the 'world's most famous photograph'.

00:00 - Opening
00:30 - Details of Lens
01:29 - Lens for World's Most Famous Photograph
01:49 - Lens Design: Sonnar Ver.1 & Gauss Ver.2
02:03 - Accessories and Carrying Pack
02:33 - Panavision Test Chart
03:38 - Aperture Test & DOF
03:58 - Samples
04:48 - Subscribe / Like / Share

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