#summicron f=5cm

[diarytheroomoffuji]

定点観測だった

いつも相棒と

昔話ばかりのオヤジです。こんにちは

朝の散歩でいつも見ていた不要品の陳列。写真映えしてたんですよ・・・

オールドタウンにて

[bromodideuterio]

Leica IIIf, 5cm f/2 Summicron, Kentmere 400 (shot at 800)

[mono-ho]

LeicaIIf Summicron f=5cm 1:2  Ilford Pan F

[guitarman-m3-blog]

Golden Time

[autodidactadelavida]

Vida en 35mm.

Santa Cruz de la Sierra, Bolivia 2017.

Leica M6 Classic 0.85, Summicron Summitar 5cm f/2, Fujichrome Provia 100F, E-6.

[lensinserze]

%^ Leica 50mm (5CM) F/2 Summicron Collapsible Chrome M Mount Lens {39} *UG* https://ift.tt/2Ue10Ef

[pjpzak]

Bailyr’s “pet” tomato worm. w/ close focusing attachment on my 1958 5cm Summicron f/2 lens. #leicam3 #35mmphotography #filmphotography #filmisnotdead #summicron https://www.instagram.com/p/Boe0V9tDm5D/?utm_source=ig_tumblr_share&igshid=i6winwp7s0i2

[diarytheroomoffuji]

花を咲かせる

バッシングではありません

最近の日本のビックニュースと言えば、MLBの大谷選手の結婚から始まり、専属通訳だった水原氏の大問題。

日本では野球・MLBそしてサッカーが主に騒がれますけど世界的に見るとF1の角田選手やWRCの勝田選手の方が大谷選手よりも有名だったりします。そして彼らは多くの取材陣の中で自ら英語で受け応えしています。それから以前よりも他の競技でも、他言語を操る日本人選手を見るようになってきました。

異国で活躍している日本人サッカー選手達も他言語でやり取りしているのを国際ニュースで拝見します。それに比べて野球界では少ないように感じてます。

“ 何故なのか？ ”・・日本の野球界システムにも理由があるように感じてますが、これは個人的な感想。

言葉の重要性は時折このオヤジ日記でも記させて頂いてますけど、色々な意味で真の “ 国際 ” スポーツのあり方や価値を見つめ直してほしいと外から眺めております。ま～それには、火を点けるマスコミの姿勢も大きく関係しますよね・・・

国際化と言われて育った世代

[bromodideuterio]

Dayton Streets

Leica IIIf, 5cm f/2 Summicron, Expired Kodak Gold (200)

[2020girl2]

Vintage Leica M4 W/Leitz 5cm F:2 Summicron Rangefinder Camera ❤ liked on Polyvore

[mono-ho]

LeicaIIf Summicron f=5cm f2  Ilford PanF

[jeuvso-veexwu]

1955 Leica IIIF Camera w/ Summicron f=5cm 1:2 Lens #766631 http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=2&toolid=10044&campid=5337410320&customid=&lgeo=1&vectorid=229466&item=263075370251

[guitarman-m3-blog]

non-emergency

[luckypl26]

Radioactive lenses -- group shot by s58y Radioactive lenses -- group shot: (a bit drab, not a very colorful group) These lenses exhibit low-level radioactivity, probably caused by Thorium Oxide added to the glass to enhance its optical properties. Top Row (Left to Right): - CANON LENS FL 58mm 1:1.2 - CANON LENS FD 35mm 1:2 (chrome filter ring) - CANON LENS FD 55mm 1:1.2 S.S.C. ASPHERICAL - CANON LENS FD 17mm 1:4 S.S.C. - CANON LENS FL 50mm 1:1.8 Middle Row (Left to Right): - AUTO YASHINON-DX 1:1.4 f=50mm YASHICA - AUTO YASHINON-DS 50mm 1:1.7 YASHICA - ASAHI OPT. Co. JAPAN Super-Multi-Coated Takumar 1:2/35 - ASAHI OPT. Co. JAPAN Super-Multi-Coated Takumar 1:1.8/50 - ASAHI OPT. Co. JAPAN Super-Multi-Coated Takumar 1:1.4/50 Bottom Row (Left to Right): - Ernst Leitz GmbH Wetzlar Summicron f=5cm 1:2 (collapsible, M39) - OLYMPUS OM-SYSTEM G.ZUIKO AUTO-S 1:1.4 f=50mm (early) - FUJINON 1:1.4/50 FUIJI PHOTO FILM CO. (metal focus ring) - UV TOPCOR 1:2 f=50mm TOKYO KOGAKU - RE GN TOPCOR M 1:1.4 f=50mm TOKYO KOGAKU Taken with Canon T2i (550D) with Canon EF 20mm f/2.8 lens. ISO 100, f/8, 0.3 sec During the shot, the level of gamma radiation measured at the camera (about 0.5 meter above the lenses) was about 4-5x normal background, as measured with a Ludlum 44-2 NaI scintillation probe. One meter away, the level dropped to about 2x normal. (Ludlum 2221 settings: HV=775V, threshold(LLD)=10mV, background about 1900 CPM). . . ============================== Measurements (informal, unscientific) ============================== . . -------------------------------------------------------------------- 1) Surface (near contact) readings with geiger counter . . -------------------------------------------------------------------- These are the typical readings where the Geiger Mueller tube is pressed up as close to the front or rear glass as possible. Ludlum Model 2221 Scaler/ratemeter, with Ludlum 44-9 Pancake GM probe Settings: High Voltage = 900V, Threshold (LLD) = 55mV The 4 readings on each row are "F=r1/r2 R=r3/r4 CPM [x%]" - r1 = close to front - r2 = close to front with plastic cap (little/no alpha, some beta, most gamma) - r3 = close to rear - r4 = close to rear with plastic cap (little/no alpha, some beta, most gamma) - x% = Max(r1,r3)-background / same value for Pentax 50/1.4 S-M-C Takumar Lens caps off, focus at infinity, aperture fully open (may not affect some lenses) Each reading was a 10 minute average. Plastic cap off - background level was about 28CPM (26-30) - from 2x10 min averages. Plastic cap on - background level was about 27CPM (25-29) - from 4x10 min averages. Lens: F=r1/r2 R=r3/r4 CPM Readings ------------------------------------------ Slightly radioactive lenses: (not in group shot -- low radioactivity) - - - - - - - - - - - - - - - - - - - Nikon Micro-Nikkor AI-S 200mm f/4: (not in group shot -- too tall, would be fuzzy) F=92/53 R=28/29 CPM [0.2%] Canon FL 28mm f/3.5: F=34/34 R=102/65 CPM [0.3%] Canon EF 135mm f/2 L: F=167/74 R=28/32 CPM [0.5%] Canon EF 200mm f/2.8 L: F=170/69 R=27/26 CPM [0.5%] Canon EF 400mm f/5.6 L: F=170/72 R=29/27 CPM [0.5%] . Radioactive lenses (presumably with thorium): - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Pentax S-M-C Takumar 20mm f/4.5: (not in picture) F=60/59 R=705/456 CPM [3%] Olympus Zuiko MC Macro 20mm f/3.5: (not in group shot -- too small, no lenscap) F=818/342 R=37/33 CPM [3%] Pentax S-M-C Macro Takumar 50mm f/4: (not in picture) F=1034/371 R=1754/667 CPM [6%] Canon FD 35mm f/2 (concave): F=524/473 R=1422/1061 CPM [5%] Topcon UV Topcor 50mm f/2: F=212/190 R=1427/933 CPM [5%] Yashica Auto Yashinon-DX 50mm f/1.4: F=54/47 R=2715/1157 CPM [10%] Canon FL 58mm f/1.2: F=481/449 R=3074/2321 CPM [11%] Nikon Nikkor-N 35mm f/1.4: (not in picture) F=1697/1544 R=3051/2395 [11%] Yashica Auto Yashinon-DS 50mm f/1.7: F=525/466 R=3434/2474 CPM [13%] Topcon RE GN Topcor 50mm f/1.4: F=623/591 R=4483/3278 CPM [17%] Steinheil Auto-Quinon 55mm f/1.9 KE mount (chrome, black arm): F=6542/2661 R=184/165 CPM [24%] Canon Lens FD 17mm f/4: F=126/96 R=8957/3635 CPM [33%] Olympus G.Zuiko 50mm f/1.4: F=12238/5397 R=201/191 CPM [46%] Canon FL 50mm f/1.8: F=95/85 R=14116/5346 CPM [53%] {Super Canomatic R 50mm f/1.8 is about the same} Pentax S-M-C Takumar 55mm f/1.8: F=194/169 R=17251/7028 CPM [64%] Leica Collapsible Summicron 50mm f/2 (M39): F=17769/7597 R=863/668 CPM [66%] Pentax S-M-C Takumar 35mm f/2 (49mm filter): F=738/641 R=18663/8336 CPM [70%] CZJ Pancolar 50mm f/1.8 (zebra) F=18670/7996 R=19313/7869 CPM [72%] Auto Rikenon 55mm f/1.4: F=132/129 R=22937/7565 CPM [85%] AUTO mamiya/sekor 55mm f/1.4 (M42, chrome+black, flat rear glass) F=2500/2008 R=26078/8430 CPM [97%] Pentax S-M-C Takumar 50mm f/1.4: F=858/778 R=26838/12512 CPM [100%] Canon FD 55mm f/1.2 S.S.C. Aspherical: F=33251/16713 R=6226/4725 CPM [124%] Fujica Fujinon 50mm f/1.4 (old style): F=26115/13222 R=35197/16306 CPM [131%] Konica Hexanon AR EE 57mm f/1.2 (green EE): F=40328/17606 R=28597/10412 CPM [150%] . . . ======================================== . --------------------------------------------------------------- 2) Gamma counts 100mm away from side of lens . --------------------------------------------------------------- These readings should give a better indication of how much exposure you'd get farther away from the lens. Ludlum Model 2221 Scaler/Ratemeter, with Ludlum 44-10 "high energy" gamma scintillation probe (2" x 2" NaI) Settings: High Voltage = 850V (middle of 500v-1200v range), Threshold (discriminator) = 10mV. These settings gave a background reading of about 4400 CPM, which is near the minimum that this probe is supposed to read for the background. I wonder if the NaI crystal is degraded? Method: The probe was placed horizontally on a table, with a small amount of lead shielding near the crystal. This reduced the background reading to about 1500cpm. The lens being measured was placed with the "hotter" end (front or back) downward, at the same level as the bottom of the probe. The lens was wide open (if possible), focused at infinity (if possible), and had both front and rear caps on (correct caps, when available). A 10 minute run with the 2221 scaler was done, and compared to 10 minute runs with no lens (background). In the table, the "xxx CPM", value is xxx = (C-B)/10, where C is the 10-minute count 100mm away from the lens, and B is the 10-minute (shielded) background count. The "[ppp%] is the xxx value for this lens compared to the xxx value for the 50mm f/1.4 S-M-C Takumar, computed as a percent. . Lens: xxx CPM [ppp%] ------------------------------------------------- Olympus Zuiko MC Macro 20mm f/3.5: 132 CPM [0.5%] Yashica Auto Yashinon-DX 50mm f/1.4: 1043 CPM [4%] Pentax S-M-C Macro Takumar 50mm f/4: 1410 CPM [6%] Pentax S-M-C Takumar 20mm f/4.5: 1447 CPM [6%] Canon Super-Canomatic R 50mm f/1.8: 2292 CPM [9%] Canon FL 50mm f/1.8: 2393 CPM [10%] Canon Lens FD 17mm f/4: 3129 CPM [13%] Steinheil Auto-Quinon 55mm f/1.9 KE mount (chrome, black arm): 3774 CPM [15%] Topcon UV Topcor 50mm f/2: 4146 CPM [17%] Pentax S-M-C Takumar 55mm f/1.8: 4790 CPM [20%] Olympus G.Zuiko 50mm f/1.4: 5042 CPM [21%] Auto Rikenon 55mm f/1.4: 5750 CPM [24%] Leica Collapsible Summicron 50mm f/2 (M39): 7576 CPM [31%] Minolta MC W.Rokkor - SI 28mm f/2.5: 11241 CPM [46%] Yashica Auto Yashinon-DS 50mm f/1.7: 12018 CPM [49%] Canon FD 35mm f/2 (concave): 14463 CPM [59%] Topcon RE GN Topcor 50mm f/1.4: 19108 CPM [78%] Canon FL 58mm f/1.2: 19290 CPM [79%] Canon Super-Canomatic R 58mm f/1.2: 19328 CPM [79%] Pentax S-M-C Takumar 35mm f/2 (49mm filter): 20087 CPM [82%] AUTO mamiya/sekor 55mm f/1.4 (M42, chrome+black, flat rear glass) 21251 CPM [87%] CJZ Pancolar 50mm f/1.8 (zebra): 23849 CPM [98%] Pentax S-M-C Takumar 50mm f/1.4: 24350 CPM [100%] Nikon 35mm f/1.4 NIKKOR-N: 30571 [126%] Konica Hexanon AR EE 57mm f/1.2 (green EE): 30656 CPM [126%] Fujica Fujinon 50mm f/1.4 (old style): 36486 CPM [150%] Canon FD 55mm f/1.2 S.S.C. Aspherical: 46532 CPM [191%] Note: There is no detectable gamma radiation coming out from four of the lenses marked "slightly radioactive" in the first section, so they do not appear in this section. http://flic.kr/p/bn5vbY

[editingxpert]

5 Frames… Of Camels on expired Fujifilm NEOPAN ACROS 100 (35mm Format / EI 100 / Leica M4 + Summicron 5cm f/2) – by Simón Ducos

5 Frames… Of Camels on expired Fujifilm NEOPAN ACROS 100 (35mm Format / EI 100 / Leica M4 + Summicron 5cm f/2) – by Simón Ducos

May 2020. With COVID in full swing, I decided to leave the city and make the hour-long trip to the desert to capture some landscapes. Still getting used to the new (to me) Leica M4, I brought it along with a Summicron 5cm f/2 and a box of assorted film stocks. There was a beautiful, clear blue sky with some gorgeous midday light, and I had shot most of a roll of Kodak T-MAX 100. Continue reading…

[lensinserze]

%^ 【NEAR MINT】 Leica Leitz Wetzlar Summicron 5cm 50mm F/2 Lens L39 LTM From JAPAN https://ift.tt/3c1Z8VZ