Schneider Apo-Tele-Xenar 5.6/400 mm COPAL #3

since: 2018/05/20
update:
2018/06/03

reference:
1. Apo-Tele-Xenar
2. The Telephoto Lens ---- View Camera Magazine (March/April)
3. Telephoto Lenses For View CamerasThe Long And The Short Of It
4. Nikkor_LargeFormatLenses.pdf
5. Used Schneider 400mm f/5.6 Apo-Tele-Xenar Lens 
6. Kerry's Large Format Home Page
7. 04. LENSES 230-244 (x) - Section04LgFormatLenses.pdf


filter: 82mm / 58mm
f5.6 ~ f64
Flange Focal Distance: 285.1 mm

1/125 ~ B, T
Weight: 2.01 lb (.91 kg)
備註: 搭配 RW45 相機, 最近拍攝距離約 2 公尺.


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SPECS
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The Apo-Tele-Xenar is a compact and lightweight 5 element telephoto lens system
with apochramatic correction and high contrast for brilliant photographs without color
fringing. The short flange focal distance resulting from the telephoto design of the lens
makes possible a focal length 30% to 40% longer than the maximum camera extension
normally allows. Furthermore, the Apo-Tele-Xenars f9/600 and f12/800 are modular in
design with an interchangeable rear component so that it is possible to have both focal
lengths in your lens arsenal with the purchase of one complete lens and a second rear
component only.

Apo-Tele-Xenar是一款緊湊輕巧的5單元長焦鏡頭系統,具有消色差校正和高對比度,
可拍攝出色彩鮮明的照片,而不會出現色邊。
由鏡頭的長焦設計產生的短法蘭焦距可能
使焦距比通常允許的最大相機延長長30%40%
此外,Apo-Tele-Xenar f9 / 600和
f12 / 800採用模塊化設計,並帶有可互換的後部組件,因此可以通過購買一個完整鏡頭
和第二個後部組件


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The Apo-Tele-Xenar 5.6/400 mm is ideal for field camera use and because of its compact
design is easily mounted on on all large format cameras. The field photographer gets a
much needed long focal length compact lens that is lighter in weight and requires a shorter
bellows extension than conventional lenses. The product photographer gets a sharp
telephoto lens that yields chromes that can be digitally scanned without losing any of the
original detail. Schneider’s coating designers have developed a revolutionary new coating
called MRC. This new coating is harder and more durable, less subject to fogging, and
easier to clean. The APO-TELE XENAR 400mm is the first lens to use this new coating
technology.

The APO-TELE-XENAR 5.6/400 COMPACT MRC has an image circle of 250mm at infinity
and covers the 5" x 7" format ( 13cm x 18cm ) with ample movement.

The lens is available in Copal #3 shutter.

Apo-Tele-Xenar 5.6 / 400 mm非常適合現場使用,由於其緊湊的設計可輕鬆安裝在所有
大幅面相機上。
現場攝影師可以獲得非常需要的長焦距緊湊型鏡頭,重量更輕,並且需要
比傳統鏡頭更短的波紋管延伸長度。
產品攝影師得到一個尖銳的長焦鏡頭,產生可以數字
掃描而不會丟失任何原始細節的色彩。
施耐德的塗料設計師開發了一種名為MRC的革命性
新塗料。 這種新塗層更堅硬,更耐用,不易起霧,更易於清潔。 APO-TELE XENAR
400mm是首款採用這種新塗層技術的鏡頭。

APO-TELE-XENAR 5.6 / 400 COMPACT MRC在無限遠處有一個250mm的圖像圓,覆蓋
5英寸x 7英寸的格式(13厘米x 18厘米),移動充足。


鏡頭有Copal#3快門。

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Schneider Apo-Tele-Xenar is an effective, high-quality telephoto lens. With an impressive
focal length, this Schneider camera lens makes an excellent safari companion. In addition
to wildlife, it works well as a decent portrait lens, and is ideal for distant scenes. The
compact rear barrel is especially designed for the field photographer. At infinity, this 400
mm f/5.6 lens' bellows draw is approximately 11 1/4-inches; whereas, a standard 400 mm
telephoto lens has a bellows draw of 15 3/4-inches. Thanks to the compact shape, this
Schneider camera lens mounts easily on small field and large format cameras. It is also
a relatively light lens, with a weight of only 2.01 lbs. The lens coating also makes the
Schneider Apo-Tele-Xenar exceptional. Schneider's unique MRC coating is resistant to
scratching and fogging, and makes it easy to clean. The Schneider Apo-Tele-Xenar lens
also features apochromatic color correction, which is extremely useful in the rendering of
far-off images. All in all, it's a well-rounded, compact 400 mm f/5.6 lens offering superb
image quality.


施耐德Apo-Tele-Xenar是一款高效,高品質的長焦鏡頭。憑藉令人印象深刻的焦距,這款
施奈德相機鏡頭成為卓越的狩獵伴侶。
除了野生動物之外,它還可以作為一個像樣的人像
鏡頭,並且適合遙遠的場景。
緊湊型後鏡筒專為現場攝影師設計。無窮遠處,這個400
毫米f / 5.6鏡頭的波紋管拉伸約為11 1/4英寸;
而標準的400毫米長焦鏡頭則有15 3/4英寸的
波紋管。
由於緊湊的外形,這款施耐德相機鏡頭可輕鬆安裝在小型和大型相機上。它也是
一個相對較輕的鏡頭,重量僅為2.01磅。
鏡頭塗層也使得Schneider Apo-Tele-Xenar變得
非常特別。
施耐德獨特的MRC塗層可抵抗劃傷和起霧,並且易於清潔。施耐德Apo-Tele-
Xenar鏡頭還具有復消色差色彩校正功能,在渲染遠處的圖像時非常有用。
總而言之,這是
一款全方位,緊湊型400毫米f / 5.6鏡頭,可提供出色的圖像質量。


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Telephoto Lenses Reduce Bellows Extension


1. 當鏡頭對焦無限遠時, 遠距鏡只需要約 60% 標準鏡的波紋管長度.

2. 遠距鏡所節省的波紋管長度是一次性的, 可以視為只在無限遠處對焦時補償.
    ex: 360 mm 標準鏡頭的波紋管長度:
          無限遠處: 360mm       1:1近攝: 360x2 = 720mm

          360 mm 遠距鏡頭的波紋管長度:
          無限遠處: 220mm       1:1近攝: 220+360 = 580mm



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Tilts and Swings are More Complex


    example: Tilt (往前傾斜)


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Telephoto Exposure Compensation







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