分類彙整:Photography 攝影
觀星 / 影星
攝影教學合集
攝影入門 Fotobeginner.com
- 如何拍攝剪影
以天空的亮度為基準,對著天空亮部區域點測光,讓拍攝主體的顏色因此變得更暗的情況下,都可以拍攝剪影 - 剪影拍攝技巧
時間方面,則要選擇日出或日落的時分,因為這時的光線較柔和不刺眼
要找一個背光的位置,令主體變成黑影 - 21個供人像拍攝的姿勢參考 – 女生篇
Learning
- 46本英文攝影書網上免費睇
- dcfever: 手震照片補救辨法
- Photographer: Alexander Hera
- SONY AEL lock的用處
Usually use in A mode or S mode 至於為什麼要有AEL!? 因為測光的點,並不一定是你構圖的中心點 所以測好光之後,再來做AEL鎖住曝光值 這樣就算移動構圖,也不會影響曝光值的變動
- DCHome Forum: 35MM 50MM 75MM 視野問題
- Sony TW DSLR Club online class
- Foto Beginner: 如何拍出漂亮畢業照
- DCFever: 【攝影技巧】人像焦距應用(上集)
- Yam Blog: 長短焦的透視感
- Yahoo Blog: 透視感是啥東東?
- Wah Yan Sonny Chan 基本攝影技巧
- CASIO 攝影達人專欄
- Classical Photography: demonstration that lens focal length by itself does not affect depth of field, and a display of the effect of perspective
- Wikipedia: Forced Perspective
- Ken Rockwell’s website about Photography (Learn basics of Photography, very professional explained)
- How to Take Better Pictures (Index of articles)
- 最便宜的F1.4家族成員—Minolta 50 F1.4 NewOld: since 1985: 識別方式:紅色AF字樣, 鋸齒狀硬式塑膠對焦環,對焦距離顯示處有紅點幫助紅外線攝影時使用. 內建遮光罩New: since 1998: 寬條狀軟式塑膠對焦環Sony: since 2006: 細長條狀軟式塑膠對焦環,Sony商標,支援ADI閃燈系統. 機身接環處有一圈橘色
- 一鏡走天涯 – Sony 18250 vs 1680 vs 70300G
- alpha 系統超廣角新選擇Compare: Sigma 10-20mm/Tamron SP AF10-24mm/Sony SAL1680Z
- Discuss when FF lens used in APS-C sensor
24mm f/1.8 EX DG Macro 在 APS-C 上 約 135 36-38mm的視角 28mm f/1.8 EX DG Macro 在 APS-C 上 約 135 42-44mm的視角 30mm/1.4 EX DC 這支APS-專用, 設計上比較新, 也比較小巧.
- Wikipedia: Angle of View
- APS-C lenses magnify compared to FF lenses?
- 四支熱門50mm標準鏡頭評測
- Comparison: FF in 50mm and APS-C in 35mm using Pentax Camera
- dcreview: Sony A550 Color Reproduction compare
- dpreview: Discuss AF assist flash problemCannot turn off Flash, must use external flash to archieve this.Or buy a 2nd hand Minolta i-type (2000xi) mini flash, and use its assist light.
- dyxum.com — home of the Minolta / Alpha-mount dSLR photographer
- Michael Wong: 攝影 1. 入門
- Michael Wong: 攝影 2. 初學
- Yahoo Blog: 馬城巡遊記
- 淺景深二線性的問題
- 蛙式教學 (total at least 24 articles)
- TW 老羊攝影學苑
基本技巧
- 何謂安全快門?兼淺談防手震技術135mm: 安全快門 = 1 / 鏡頭焦距 (秒)DSLR: 安全快門 = 1 / (鏡頭焦距*X) (秒), SONY/Nikon/Pentax X = 1.5, Canon X = 1.6, 1/2.5″ X = 6靜止: 1/30s, Moving: 1/125s, 跑步/跳舞: 1/250sSONY防手震: 約2-3級 (用腳架時要關掉, A100 repair price NTD3000-5000 = HKD800-1300)
Photography Links
- Imaging Resource Comparometer – Digital Camera Image Comparison Page
- DXO Mark (Benchmark? of Camera Sensors)
SONY Camera
- SONY Alpha A57
- SONY SLT A55V SONY’s page
Battery: 使用觀景器模式:約 330張, 使用LCD屏幕:約 380 張 (根據CIPA的計算方法)
- AVCHD (1920×1080): 16Mbps data rate, 2.2MB/s, 15min = 2GB
- VGA (640×480): 3Mbps data rate, 0.4MB/s, 15min = 360MB
- Sony A55 test result
A55V電力紀錄: 今日拍左1200 files(多數連拍+video)仲有5%電量; 昨天拍左800+ files(多閃光燈+連拍)仲有3,40%電量; 所以唔好再話1080mah電量唔夠用,8Gb card都打爆了...
- SONY Alpha A550 SONY’s page
Battery: 使用觀景器︰950張相片, 即時檢視模式︰480張相片(CIPA標準)
Sensor: APS-C 23.4 x 15.6 mm
內建閃光燈GN 12(ISO 100),回電 約4秒
- SONY Alpha A580
16MP, 599g body (w/battery?)
閃燈範圍: GN 12
ISO100 -> 200 GN 乘以 1.414
ISO100 -> 400 GN 乘以 2
- SONY SLT A55V
16MP, FullHD Movie x 60fps (17Mbps only?), 10fps, GPS, 15 points focus, 441g (w/battery?), battery 1080mAh, only about 380 photos
- DC Fever A55 review
- Sony A55 與A33單反相機被指有七大弊病
- Problems
1) 開左10 FPS連拍, Fix 1/500, 同追焦真係差d. 落番6 FPS或3 FPS就正常 2) 開左防手震, 最長只可record 9 mins Movie. 關左防手震就正常番有30 mins 3) 減光30%, 減光1級係肯定的, 不過SONY個CMOS都OK的, 我都好常用ISO800-3200呢
- A55 movie overheat limitation
Env: 20 degree, 防手震On: 9min, Off: 29min
Env: 30 degree, 防手震On: 6min, Off: 13min
- SONY SLT A33
14MP, FullHD Movie x 60fps, 7fps, 441g
- SONY Alpha A550
14MP, ~650g body w/battery
- Nikon D3000
10.2MP, 536g w/battery, AF-S lens only if need auto-focus
- Nikon D7000
16MP, FullHD Movie x 24fps, 6fps, 39 points focus, 780g body w/battery
- Nikon D40
6MP, 475g body w/battery
- A550 supported Lens
- Minolta / Sony alpha (a-mount) lens database
- DCFever: 二手買賣區
- DCHome.net: 報料報價特區
- DCHome.net: 二手買賣區
- Digital Camera Sensor size compare
- Image stabilization
- View Angles
- Sony 1.5x
- 35mm – APSC 44 deg, FF 63 deg
- 50mm – APSC 32 deg, FF 47 deg
- 85mm – APSC 19 deg, FF 29 deg
- 30mm – APSC 50 deg
- 100mm – APSC 16 deg, FF 24 deg
- 135mm – APSC 12 deg, FF 18 deg
- 20mm – APSC 70 deg, FF 94 deg
- 16mm Fisheye – APSC 110 deg, FF 180 deg
- 70-200mm – APSC 23-8 deg, FF 34-12.30 deg
- 18-250mm – APSC 76-6.30 deg, 1:34.5/0.29x
- 18-55mm – APSC 76-29 deg
- 18-70mm – APSC 76-23 deg
- 16-105mm – APSC 83-? deg
- 28-75mm – APSC 54-21 deg, FF 75-32 deg
- Sigma 1.7x
- 30mm – Sigma 45 deg,
- 17-50mm – Sigma 72.4-27.9 deg, APSC ~31.62 deg
- 8-16mm – Sigma 114.5-75.7 deg
- 70-300mm Macro – Sigma 34.3-8.2 deg, 1:4
- Nikon 1.5x
- 50mm – FF 46 deg
- 18-55mm – APSC 76-28.50 deg
- Target Lens
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- Kit Lens
- Konica Minolta DT AF 18-70mm/3.5-5.6 (D) Minolta Kit鏡
18-70mm APS-C, F3.5-5.6, 23-77 deg, focus: 0.38m+, 0.25x, 235g, 55mm dia, $350-$500 2nd hand (Info from Manual)
- Sony α SAL-1870/C AE 18-70mm f/3.5-5.6 Old Kit鏡
18-70mm, F3.5-5.6, 23-76 deg, 235g, 55mm dia, ~$1600
- Sony China on SAL1870
35mm equiv: 27-105mm
Angle of View on APS-C: 76-23 deg
- Sony China on SAL1870
- Sony α SAL-1855/DT 18-55mm f/3.5-5.6 A550 Kit鏡
18-55mm, F3.5-5.6, 28.5-76 deg, 210g, 55mm dia, ~$1600?
- Nikon AF-S DX Zoom-Nikkor 18-55mm f/3.5-5.6G D40 Kit鏡
18-55mm, F3.5-5.6, 28.5-76 deg, 210g, 52mm dia, ~$800
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- Standard Zoom Lens
- Sony α 蔡司 SAL1680Z/AE 16-80mm f/3.5-4.5
16-80mm, F3.5-4.5, 20-80 deg, focus: 0.35m+, 1:4.2, 440g, ~$4700 new, ~$3800 2nd hand (81%)
- Sigma 18-50mm F2.8 EX DC MACRO HSM
18-50mm, F2.8, 27.9-69.3 deg, focus: 0.2m+, 1:3, 535g, 72mm dia, ~$2500 2nd hand
- Tamron SP AF 17-50 F/2.8 XR Di II LD Aspherical [IF] (A16)
17-50mm, F2.8, 31-78 deg, focus: 0.27m+, 1:4.5, 398g, 67mm dia, $2800 new, ~$2200 2nd hand (78%), 5 year warranty, F2.8 not sharp/紫色淡
- Canon EF 17-40mm f/4.0L USM
17-40mm, F4.0L, 57.3-104 deg FF, focus: 0.28m+, 0.24x(1:4.2), 500g, ~$6000 new
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- 定焦 Lens
- Konica Minolta AF 50mm/1.4 (已停產)
- Konica Minolta AF 50mm/1.7 (已停產)
- SAL-30M28
(hard to use as 1:1 Macro as need too close to object)
30mm, F2.8, 50 deg, focus 0.129m+, 1.0x, 150g, 49mm dia, $1500 new, $1200 2nd hand (80%) - Sony α SAL-35F14G/AE 35mm f/1.4G (Same angle as Minolta 35mm F1.4G)
35mm, F1.4, APS-C: 44 deg/FF 63 deg, focus 0.3m+, 0.21x(1:4.8), 55mm dia, ~$10500
- Sony α SAL-35F18 APS-C only
35mm, F1.8, 44 deg APS-C, focus: 0.23m+, 0.25x, 170g, 55mm dia, ~$1590?
- Sony.lv page about SAL-35F18
- Sony China page about SAL-35F18
35mm equiv: 52.5mm
Angle of View on APS-C: 44 deg
- Sony α SAL-50F18/DT 50mm F1.8 SAM (maybe APSC = 75mm angle?)
50mm, F1.8, 32 deg, focus: 0.34m+, 170g, 49mm dia, ~$1080 (2nd hand ~$8-900)
- Sony China on SAL50F18
35mm equiv: 75mm
Angle of View on APS-C: 32 deg
- Sony China on SAL50F18
- Sony α SAL-50F14/C AE 50mm f/1.4
50mm, F1.4, 32 deg APS-C/47 deg FF, focus: 0.45m+, 0.15x(1:6.7), 55mm dia, ~$2500-2300, ~$2000 2nd hand? (80%)
- Sony China on SAL50F14
35mm equiv: 75mm
Angle of View on FF: 47 deg
Angle of View on APS-C: 32 deg
- Sony China on SAL50F14
- Sigma 28mm F1.8 EX DG ASPHERICAL MACRO FF & APS-C
28mm, F1.8, ~57 deg APS-C/75.4 deg FF, focus: 0.2m+, 1:2.9, 500g, new ~$3xxx, 2nd hand ~$2200
- Sigma 30mm F1.4 EX DC HSM APS-C only
30mm, F1.4, 45 deg APS-C, focus: 0.4m+, 1:10.4, 430g?!, 62mm dia with hood, HSM, new $3150, 2nd hand ~$2500-2800
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- Long Range Lens
- F2.8
- Tamron SP AF 70-200MM F/2.8 Di LD [IF] MACRO (Model A001)
70-200mm, F2.8, Macro, 77mm dia, 1.15kg, ~$5500 new
- normal
- Sony α SAL-70300G/AE 70-300mm/4.5-5.6 G SSM
70-300mm, F4.5-5.6G, 8.1-34 deg FF/ ~6-25 deg APS-C, focus: 1.2m+, 1:40, 760g, 62mm dia, ~$5200, 2nd hand ~$4500-
- Sony α SAL18250/AE 18-250mm f/3.5-6.3
18-250mm APS-C, F3.5-6.3, 6.3-76 deg, focus: 0.45m+, 0.29x, 440g, 62mm dia, ~$3320星際/$3400肥花 new, ~$2800 2nd hand(82%), list $3890
- Tamron AF18-250mm F/3.5-6.3 Di II LD Aspherical [IF] Macro (A18) (Same as Sony SAL18250 except blades)
18-250mm, F3.5-6.3, 6.3-76 deg, focus: 0.45m+, 0.29x, 430g, 62mm dia, ~$33xx? new 5yr, $2060 water new 1yr, $2000 2nd hand
- Tamron AF 70-300mm F4-5.6 Di LD Macro 1:2 (A17)
70-300mm, F4-5.6, 8.2-34.2 deg FF?, focus: 0.95m+, 1:2, 435g, 62mm dia, ~$1300 5 year warranty, 200打後成像差劣, 即使收左光圈至f11 都不能接受?
- Sigma APO 70-300mm F4-5.6 DG MACRO
70-300mm FF / 105-450mm APS-C, F4-5.6, 8.2-34.3 deg FF/~6-26 deg APS-C, focus: 0.95m+, 1:2, 550g, 58mm dia, Wing Shing $1780, 天祥賣$1250, (2nd hand ~$900-1000)
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- Other Lens
- SAL-50M28
(ok, but no SSM, very sharp even at F2.8)
50mm, F2.8, 32 deg, focus 0.2m+, 1.0x, 295g, 55mm dia, list $3680 - SAL-100M28
100mm, F2.8, 16 deg, focus 0.35m+, 1.0x, 505g, 55mm dia, $?
- Sigma 10-20mm F4-5.6 EX DC HSM 廣角鏡
10-20mm, F4-5.6, 63.8-102.4 deg, 470g, 77mm dia, $3000-4600?
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- Target Flash
- A550 build-in: GN12 ISO100@18mm, recharge 4s
(e.g. 2m x F6 @ISO100, 4m x F3 @ISO100, 4m x F6 @ISO200)
- Sony HVL-F20AM
GN20 ISO100@50mm, 27-50mm, AAA x2, 90g, ~$790 (guest ~28@105mm)
- Sony HVL-F42AM
GN42 ISO100@105mm, 24-105mm or 16mm w/adapter, V 105,-10 deg/H 180deg/LR 90deg, recharge 1-4s, AA x 4, 340g, MK $1680, 2nd hand $1000-$1200
- Sony HVL-F58AM
GN58 ISO100@105mm, 24-105mm or 16mm w/adapter, V 105,-10 deg/H 180deg/LR 90deg, recharge 0.1-5s, AA x 4, 440g, 2nd hand $1900, MK $2480, used coupon ~$23xx
- Mobile01: 光的強度 – GN 值
- Basics of Flash Photography
Teach how to calculate GN value
- A550 build-in: GN12 ISO100@18mm, recharge 4s
Buy / Sell
UV Filter / CPL 偏光鏡
- 尋找隱形衛士 14款UV/保護鏡對比評測
UV Filter almost no effect on visible quality at enough light scenario
- Fever Share: 談談偏光鏡(CPL)用法
- DCFever: 【攝影技巧】偏光鏡用法話你知
- 想將CPL一直裝在鏡頭上像保護鏡一般長期不取下﹖
換言之,一支最大光圈f2.8的鏡頭一裝上偏光鏡,立刻變成最大光圈f5.6的鏡頭!
Demo Photo
- sonydsr: Minolta 美樂達鏡頭 實拍貼圖
- sonydsr: SONY SAL-1870 實拍貼圖
- sonydsr: sony kit 18-70牛刀小試
- Alex’s Macau Travel, 18-70mm
- Alex’s Victoria Harbour Pano, 18-70 in 40mm
- Alex’s Cloud, 18-70mm
- Alex’s HK Airport interior, 18-70mm
- Alex’s HIT, 18-70mm
Panorama
- Photoshop build-in Photomerge function
- GigaPan Stitch Software (Can mix upto around 35-48 photo, 45000×10000 pixels)
高手
- Mikocokiki
- HKAVMODE: 光圈先決下的世界
- 紅刺蝟 RED PORCUPINE / 婚紗攝影.婚禮紀錄.寫真
D70 + 18-70 Kit鏡!