ng d n ch d ng Lighroom 4.0

I/ Devolop (Cc ch ch nh s a nh - Camera Raw trong Photoshop) Giao di n chnh c a Develop

1. Cc Ch nh s a nh trong Develop 1.1. Histogram: Lr cho php bi u th cc thng s v nh sng, s c a b c i d th , trn Histogram b c s phn b mu v s c c a t m nh hi n duy t. M t b c nh ch r t trong tr i kn t tri qua ph i khung bi (n u nh sng

th s i vng gi a n u ch p High key ho th s l ch v 1 pha ty t ng ng h p).

t bi t Histogram c a Lr l m t giao di ch nh nh sng c a nh tr c ti p trn .

Trn Histogram, ton d i nh c chia thnh cc vng: Blacks, shadows, Exposure, Whiters v Highlights khi r chu th , vng sng c gi tr ng s sng ln. Mu n

u ch nh gi tr vng sng no c a nh, ta gi chu u ch nh (di d th qua l i (hi u nm na l ta di d i vng ng th i theo di, c m nh n s bi i trn n khi th y v a . C kh nhi ch nh s a v nh sng cho nh l m t cch lm r t hi u qu (c l ch c Lr?).

1.2. Ch nh Basis (cc thng s n) a/ Ch nh cn b ng tr ng (WB):

c cn ch nh khc, ta th c hi n Cn b ng tr ng. Cn b ng tr ng l m t qu trnh i mu s c c a ton b b c i th c t nh t, hay ni cch khc l ch nh s a sao

cho mu tr ng m m i c m nh n, t

V i WB, Lr cho ta r t nhi u l a ch n (n u ch p JPEG ch c 3 l a ch n: As shot, Auto v Custom),

t trn my nh ch AWB r i th ta ch l y theo k t qu t ch nh c a my n nn th h t v c m nh n, n u mu n ty ch n th ch nh Temp, Tint sao cho ra k t qu mong mu n. C th nh n W r i ch d ng c l y m u vo vng mu trung tnh trn nh (R=B=G), nn lm th c kinh nghi m nh n di n vng mu trung tnh; N u ch p v i graycard th sau khi ch c ngay k t qu chnh xc, nh c t d ng c l y m Trong v d ny ta ch n th Daylight.

b/ Ch nh sng: sng trung bnh c a nh (Exposure), Lr cho php ch nh ring r 4 m c sng khc (Blacks, shadows, Highlights v Whiters ), trong ph n ny Lr h tr s n 1 ch t ng, khi click vo Auto, Lr s t ng ch nh cc thng s cho b n, n a b u ch nh l i.

u m m trong vi i cc thng s , ta nn t n d ng cc Presets t s g t m.

Pha trn 2 bn Histogram c 2 tam gic nh i thnh 2 hnh vung sng, khi ny h th ng c nh bo c a Lr ho ng, nh ng vng sng xu t hi cho bi t vng sng ny m t chi ti t, b n c n gi m Whiter (c th l c Highlight) xu ng cho h ; Nh ng vng t i xu t hi n mu xanh cho bi t vng t t chi ti t, b n c t mu xanh.

ng h p khc: n u b c nh m m 1 l th c m t n c gi tr =0), b n gi m Blacks xu ng; khi b c nh c v m u, mu tr ng ch xm xm (pha bn ph i

cu th c m n c gi tr =0), b n c n ch th v ch m vo 2 mp khung bi .

l nh n, b n nn t tm hi a cc thng s r i t u ch nh cc thng s c m nh n s i v ch n cho mnh m t cch lm, m t trnh t ring. c/ Ch nh Clarity: l ch nh s r rng chi ti t c a b c hnh, c th n i r chi ti i ph i gi m b t Clarity v i nh chn dung khi mu i m n mng, m m m i. d/ Ch nh Vibrance v Saturation: i m m nh t mu s c trn b Vibrance t c l chng ta ch bo ha cho mu cn y

bo ha c a t t c ng ch nn ch ko nh ng mu y u. Khi ch p Raw, b c ng r t nh t mu, ta ph

MrVit, 20/6/12 #5 virgoking, Phan Nguy , Ab Le v i khc thch bi vi t ny.

MrVit Thnh vin c p 2 1.3. Tone Curve

Lr l ch u ch nh k t h p c nh sng v mu s c r t l i h i: n trn ton b t m nh (Tonal Range), bao g m m t d i gi tr th hi n m

sng/t i, ch y t m mu c gi tr t i nh t t m mu c gi tr sng nh t c a t m c trn m t ph m vi (mi n) s ;

ph n trn t ng khu v c ring c a t m nh, ho c trn m t ph m vi (mi n) s c a khu v

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nh mu s v n d ng h a Tone Cuver c n hi u r m t s khi ni m v nh sng v mu s c, t m

th i gi i thi v ch n s d ng c dng th , d n s tm hi u k s d ng hi u qu

m mu c gi tr t i nh t c a m i t m m mu c gi tr sng nh c l mu tr ng; tuy nhin m t t m nh t m t i nh

m sng nh t l mu tr cao th t m hnh tr nn r rng, trong tr o, d nhn nh nh sng ph n Basis ta c th gi i quy t v ny.

gi tr gi a ccvng Highlight, Light, Darks v Shadows b c c bi u di n ng th th :

s ng cch u th th hay t n, t o nn s n v sng khc nhau (trn ton b c nh hay gi a cc vng ph m vi s ho c trong 1 vng ph m vi s ) m t cch d u dng, m m m t ng t g p khc. C th dng chu u n cong tr c ti p t dng cng c Stop directly

ch nh tr c ti p t i vng sng c th trn nh.

Trong Tone Cuver, Lr cho s n 3 l a ch n c m n khc nhau (linear, Medium Contrat v Strong Contrat) trong t ng knh cho c 4 knh (RGB, R, G v B).

u ch nh Cuver cho cc knh mu ta lm click chu t vo bi ng gc ph i

Nguyn t c chuy n mu trn t

, gi c mu Xanh ng c (Cyan) c mu Xanh l, gi c mu Tm (Magenta)

c mu vng

ng d ng nguyn t c trn, Tone Cuver cn c th kh m s c trong nhi ng h p khi ch p b nh sng ph n chi u vo ng knh gy l ch s c thi m u qu ;

c l a vo nguyn t i ta c th Blend thm mu b t k vo m t mu hay m t m t vng s trn nh kh d dng. 1.4. Ch nh mu s c (HSL-Color- B&W) Lr cung c nh mu s c c a b c hnh qua m t giao di n v tr c quan, c th ch nh ring r t ng thu n (Hue, Saturation v luminance) c ch nh s a ho c t o ra m t b c c mu s c ty cho b c nh : HSL (Hue, Saturation, Luminance):

HSL cho ch nh ring t ng thu c tnh Hue, Saturation v Luminance v i cc mu. Ngoi cch ch nh thng s t, ta cn c th mu s c ngay trn b c nh. Dng cng c u ch nh tr c ti p cc thng s Hue, Saturation v Luminance c a m t vng mu c th trn nh (dng chu u khi n ln, xu ng). V i cng c ny mu s c c a b c c ty ch nh d dng theo c m nh n v gu mu s c c i ch nh.

Color: Ch nh cc thu c tnh c a ring t ng mu, V d : ch nh 3 thu c tnh c a Orange

B&W

u ch nh B&W Mix, ta c th u ch sng c t n (B&W) ty gi a cc vng nh. C th ch Lr gip b n. ph n chtrn chnh b c ch sng trn t ng vng c th c a b c nh (dng chu u ch nh cng c Adjust B&W ln, xu ng)

MrVit, 20/6/12 #6 virgoking, Phan Nguy , Whinny v i khc thch bi vi t ny.

MrVit Thnh vin c p 2 1.5. Split Toning:

i v ha tr n Tone mu gi a vng sng v vng t i c a b c nh, v i tnh t o hi u ng (blend) mu s c r t h p d n cho b c nh. C th l i

ch nh Hue cho ph n Highlinght v Shadow v ch cn b ng gi a 2 vng.

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1.6. Detail

nt v gi m nhi u (noise) cho b c nh.

sharpness:

u ch nh v kh r ng t ng thu c tnh c a sharpness (Amount, Radius, Detail v Masking) ki s c nt c a b c nh, khi ch nh c th dng cng c Adjust detail zom area r i click chu t

phng l n t ng vng nh c th ki m tra. Noise Reduction:

ng h p nh ch p thi u sng ph i ch nh l c ch p v i m ng b noise (nh gi m nhi u (noise) c a Lr t ra kh ng, Lightroom gi m noise b "soft" (gi m sharpen v contrast) cho vng nhi u v v y khi gi m nhi u ph i

a m t nt, Lightroom c nh ng bi n php ring cho t ng lo i nhi u: Luminance Noise: (cn g i l Monochrome Noise ho c grayscale noise) l nhi u do h t nhi ng v xm (khng c mu) gi ng h t mu i tiu l m ch gi m Luminance Noise ta ph i k t h p ch ki m sot m m t nt v ch gi n cho nh ng h t mu i tiu l m ch lm m t noise m t cch h p l. Color Noise: l nh ng h t nhi gi m nhi u Color Noise ta ph i ch nh Color

a b t mu v m t nt .

1.7. Lens corrections

hi u ch nh hnh ng h p nh ch p b hi ng mo ph i c nh, quang sai, ho c b t i 4 gc...do Lens gy ra. Profile

l a ch ng h p ch p b i m c Lr c p nh t th khi ch n Profile, t ng hi u ch u ch nh thm trong ph n

Amount theo . Ch lo i b hi ng quang sai

Manual

ng h p ch p b c p nh n Manual, Lr s cung c p m t giao di hi u ch nh l i m t cch chi ti ng h p mo hnh h c, t i gc v vi n mu do len gy ra.

Trong hnh trn, n u ch n Constrain Crop, khi crop, Lr s t lo i b ph n mo ra kh i khun hnh. 1.8. Effects

o hi u lm cho b c hnh c a b n c thm s m i l

MrVit, 20/6/12 #7 duythaict, virgoking v thch bi vi t ny.

MrVit Thnh vin c p 2 1.9. Camera Calibration Camera Calibration c th hi u l hi u chu n cc thng s b c nh ch p t camera gi ng v i c m nh n tr c quan b ng m t. Trong Lr 4, Process c p nh i v i file RAW c nhi u

l a ch n (cn JPEG ch m c d u ch nh tr c ti p cc thu c tnh Hue, Saturation c (Primary) nn m i mu s c cho b c nh r t l n.

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1.10. Navigator: Navigator cho b n cch duy t nh, phng to, Lr c s n m t s t l phng thng d ng.

1.11. Snapshot:

a Photoshop. B n c th bao nhiu snapshot ty thch, nh s a nhi u th m.

1.12. History

M m c a Lr l ph n m m bin t p

i c u trc c a pixel trong file nh s hi n h u. History nh ng tinh ch nh b n th c hi c ghi l i trong History ny, v b n c th quay l i t c ghi l i qu trnh ch nh s a nh. nh v tr u, b n c th click vo nt "Reset" ho c ch i cng trong History

1.13. Collections: Khi b n m i kh ng Lightroom l u s khng c tn m c no c . B n c th t o ra nhi u b

p (Collections), v m t nh c th n m nhi u b thu n ti n cho vi c qu n l l hng lo i, khi Import hnh vo Lr c n t o ngay cc Collections.

Cch t o Collections: ch n nh /nh n (+) trn thanh Collections/ ch n lo t tn/ Nh n Create; Xa Collections: nh n (-) /Delete; Thm o): Ch n nh r i dng chu t tri ko vo Collections

Quick Collection: l m i dng ch n nhanh cc nh s a trong 1 phin lm vi c. B n ch c nh vo Quick Collection, g B l n n a xa nh ny kh i Quick Collection. B c t m c a cc ch tc v ti p theo: in, g i mail, t o trang web v.v.. 1.14. Ch nh s a hng lo t nh : M m khc c a Lr l Ch nh s a hng lo t nh (Streamline photos edit). Lr khng ch cho php ta ch nh s a nh ng thng s trn t ng b c nh m cn cho php p d ng cc ch nh s t b c nh s c m t b c

i c p d ng k t qu ch nh s a ny cho nhi u nh khc b ng nhi u cch: a. Copy & Paste: cho php chuy n cc ch nh s a t nh ny sang nh khc, ho c m t lo t nh n u b n ch

c hi n trn 1 nh r i Paste cho 1 hay nhi u nh khc ta Click vo nt "Copy" trn Panel bn tri, trong h p tho i "Copy Setting" ch n thnh ph n thng s m mnh mu n copy, Click vo nt "Copy" trong h p tho i. Ch n i "Filmstrip" v click vo nt "Paste" trn Panel bn tri.

b. Presets Sau khi ch n, ch nh s a hon ch nh m t b c nh ta ch n (+) trn thanh Preset, khi c a s hi n ra ta check ch t tn cho Preset r i nhs n kh nhi u Presets cho b n.

Mu n ch nh cc b c nh khc c tnh tr ra k t qu nh ta ch c n ch n trong "Filmstrip" r i nh n vo Preset v a t o.

Cc nt PREVIOUS/SYNC v RESET n m cu i Panel bn ph i. N u b n ch n nhi t nh trong

i, ch SYNC s xu t hi n. Ch n PREVIOUS khi b n mu n p d ng cc tinh ch nh nh k c cho nh ny. Ch n SYNC khi b n mu n p d ng cho lo t n (Ch n, ch nh s a hon t t m t b c ch n ti p nh ng b c c tnh tr i, click vo nt "Sync" (ho c "Auto Sync"), nh ng b c ch n s c ch nh s c ch u tin). Nh n RESET n u b n mu n quay l i cc ty ch n m nh.

s p x p c a Lr. V i nh y ta c th ch nh s a cc thng s v nh sng, mu s ng th c a m t b c nh v c th p d ng cho hng lo t b c gi i thi u Lr v i nh i m i lm quen v i Lr, ho i b u t p x l h u k nn trnh b ng c a cc thng s v nu cch th c hi n ch nh s a tr c quan, c th , nh c c ci nhn t ng quan v kh nh s a c a Lr; nh ng thng s nu ra ch mang tnh minh h a cho bi vi i l nh ng thng s t

n ch nh s trn t ng th cho m t series c r i th th c hi n r t nhanh v k t qu c n u l nh s

ki m (v d c nh ch p ti i ch ng h n, b n ch c n ki m tra l i n i dung, k t h p v b n th a l c th xu c r i). MrVit, 20/6/12 #8 virgoking, v xversion1 thch bi vi t ny.

MrVit Thnh vin c p 2 2. Cc cng c ch nh s a nh c a Lr

c h t c t i thanh ch a m t s cng c i b c nh, trong ny c kh nhi u mn (ti n ch), d cc cng c ny khng tr c ti p t o ra cc hi u ng trn b c

thu nh ; so snh s i so v i b c u v Soft Froofing (gi l p k t qu gip cho cng vi c thu n ti n m cn cho ta s h ng th v i cng vi i nh t n d ng nh. Trong ph c ta dng chu t m c a s gi i thi n th c hnh c n t p thi quen s d ng cc phm t t cho nhanh (phm t t trong Lr h u h t gi 2 khng tr ng i g).

Ps, Thanh cng c c a Lr ch c v n v n 5 mn. Ngoi 2 cng c Spot Removal v Red Eye Correction c v th t c cn Crop Overlay(R), Graduated Filter v Adjustment Brush th c s l nh a Lr: 2.2 B c c l i v i Crop Overlay(R): Trong nhi p nh, b c nh. Lc ch c khung c nh h u tnh, nhi u khi m m i tranh th ch p kho nh kh c qu m b c c thi u cn nh c, lc h u k c n c t xn, s p x p cho ch v b i c nh cn x ng, ngo n m c, gi l i ho c tn ln nh ng ph ng th i g c m m r, gy r i m i xem.

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Nh n R ho c nh p chu t vo bi ch n cng c Crop 1 khung tr ng xu t hi n, ngoi t l c a khung Original ra Lr cn c s n nhi u khung hnh c t l khc nhau v cho t nh p thm (ch ng h n c n Crop theo t l in), ta nh n Enter custom r i s li n t l ta c th di chuy n, thay

crop l i b c nh theo t l n, n u ch n Custom v m kha ra ta c thay i lun t l khung hnh ty . Nh Crop ta c th b c c l i b c nh, c t b nh ng ph n th a hay ch n

nh ng vng p d dng. Trong Crop, nh n O nhi u l c chu b c c b c t.

th c giao di i dng Ps ph n Ps CS6. M t v d : Ton b l 4x6, mu n in ra khung hnh t l 13x18 b n ch c n Crop 13x18 trn m t b c, Ctrl+A (Ch n t t c ) r i nh n Sync. Tuy l nh Sync c th p c gc xoay v v tr khung Crop chung cho t t c n ki m tra, di chuy ch n vng hnh nh ph h p v i t ng b c. 2.3 Spot Removal (Q): M xa cc chi ti c thao tc khng ti n b ng cng c ng c a Ps nn n u ph i x l nhi u nn chuy d k t h p cc cng c khc trong nhm.

2.4 Red Eye Correction :

kh hi ng m . S c m t c a cng c b x ng h p ch p b ng my n tho i ch ch p b cho ra m

2.5 H u k nh phong c nh v i Graduated Filter (M)

t cng c v cng l i hai khi h u k nh, hi u ng chuy n d n d n (Graduated) trong Ps ch y u p d ng cho mu s c bi t c p d ng v i t t c n c a hnh nh, gip gi i quy ng h p c s chnh l ch (cc thng s ) kh nhi u gi a cc pha c a b c nh. V i

b c n ch c n trong vng 3 n t nh c l cc v n c gi i quy t n th a .

Trn hnh c trn Histogram ta th y vng shadows b thi u tr m tr ng, ta ch nh ph n Basis s c k t qu

ng l m, ta s d ng Graduated. Graduated l n th nh t ta c b u tr i cao xanh trong:

M t Graduated n a ta c n ng vng r i chn

so snh

T t nhin l ta cn c th nh n nh thm vao 1 s ch trong b c nh cho thch m t

a sau s gi i thi u ti p cng c Brush, gi e k t cng vi c r i

MrVit, 20/6/12 #9 virgoking, Phan Nguy , thanhthanhkawaii v i khc thch bi vi t ny.

MrVit Thnh vin c p 2 2.6 Retouch Portrait v i Brush Hy v ng ph n ny s gip cc b n c ni m say m nhi p nh d l m gear ch m c t m t m tr l u n c k th t ch n v v i ph n m m Lr v n c th yn tm, t tin chia s nh ng tc ph m chn dung c a mnh.

nh retouch c th c nh lc m i Import:

ng tr ng, ch u ch p Raw th chuy n Profle trong camera calibration v camera portrait, kh nhi c ch nh hng lo t cho c n t c, by gi l lc th c hi n nh ng ch nh s a cho t ng b c chn dung ring l :

Crop l i m t cht cho b c c ch ng h p ny c l ) B l n i b ng sng chnh, ch nh ratio cho ph h p. C th t

i ch vi i l v c i v i chn dung nh.

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B ch y u cho nh chn dung), v i Graduted Filter v brush ngoi cch ch nh ngay b ng cch di chuy t, c th vo menu c s d ng v t o ra b

ngh ring c a mnh, cc gi tr t minh h a, m i t t o theo c m nh n ring: Lm m n da v n nhi i r ng Plug-ins, th i

l chuy n nh ): T o brush (Clarity -100, Shapness > 40), qut nn cc ph n da (e dng brush l n t kh i r i nh n Atl+ qut Brush vo ph n khng ph n o, m e khoi ch p m u b o v

ng lun ) N u c n th p d ng nhi u lo i gi tr Clarity, Sharpness) cho t ng vng da, nhi u l n Brush trn m cho ra k t qu c khc bi t chi ti t, b o t n nh p t nhin c a ln da nh t l nh ng vng da nh y c m; c th u c noise do ch p as y u v Nh s d ng sau ny.

Xa s o, m Sau khi lm m n da, cc v m thi u, ta c th xa, n u nhi u ho c ph c t l i sau, chuy n qua Ps k t h p lm Liquify ho Retouch mi: T o brush T moi c cc gi tri: Exposure 0,5, Saturation = 40, thm t color (H=340; S=12%) t ln ph n mi. N u k ch nh Brush c contrast =-40, Highlights = 20 t vo ph n

t o s k ng vi m

b o l m u s c m t g i c m Retouch m t: nn t lm m t Brush (Contrat = 20, Shadows =20, Clarity =15, s k chn my , vi n mi m t; Brush (contrat =- t. Lm m h ng, Burn, dodge t o s kh i cho khun m t, thn th : sau khi Retouch da, m t v mi nn dng brush (exposure=0,5, saturation= 30 , c t mu (ty thch) v ch t nh ln g m; dng Brush Burn (Exposure=- ph thm vo ph n Shadows; brush Dodge (Exposure=0,25)

m thm vo s n sng trn m u kh Hi u ch nh l i thng s c c ng dGraduted, brush r t h u ch c ng hi u ch nh cc thng s ton b c hi t o nn s hi ha trn b c nh. l t b m K, M, cc hnh trn tr ng hi n ln, m u md ng, click chu t vo n, b ng thng s n ra, ta nn tinh ch nh l i cc thng s cho t ng th c s hi ha nh t.

V i nhu c ng, ph n Retouch trn b lm ti p m t s retouch n a trn Ps ho u th y c n. V i Lr4 th kh nh k c Blend mu, n c n dng thm Liquify (ch nh hnh d ng), Patch Tool (xa chi ti t th a) v lm khung hay Album design n a thi.

y ch c n trong kho ng th i gian vi t pht, k t qu c ngoi vi c ch nh xong 1 b c nh ta cn t c m t b nh ng l n sau ch c n vi n t nh c l ta Retouch xong 1 b c chn dung,

n ph i khng cc b n .

N u mu n chuy n qua BW th b m ch n B&W trong m c HSL/Color/B&W r i ch b c ng ph n B/W t t nh t.

N u mu n c Sepia tone th dng thm Split Toning: