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Photography The Sony Alpha Thread V33!, The Orange Legion

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ieR
post Nov 4 2009, 12:33 AM

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QUOTE(Kul | Mo0 @ Nov 4 2009, 12:25 AM)
Hahaha feel so intimidated my the 135CZ. Loving it more and more. Die la die la.
*
@.@ moo got 135?!!??! hehehehehehehe kidding
ieR
post Nov 4 2009, 12:34 AM

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albnok one is minolta 50mm F1.4, not tamron kakakakaa
ieR
post Nov 4 2009, 12:36 AM

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for those who thinks A200/300 focusing system is terrible, or tamron so called 3rd party lens, and lenses that make ur machine works below par performance.

and u arent me, so u wont know how i feel. my camera have backfocus problem since DAY 1, send to sony centre twice, they DID NOTHING.... nothing i focus ever is in focus. but due to practise, i manage to use my head/mind and body to compasate it, by adjusting my body everytime i shoot, to get accurate focus.

maybe because, u guys been playing with good accurate machine this while, thus u may had set the "margin" of performance at a little higher, thus a small misfocus or problem, u think ur camera is not up to it.

for me, i brought a faulty body. sony didnt fix it for me. so i live with a terrible result, thus i created a low performance 'margin' so everytime i shoot something resulting sharp and nice, i am very happy and think that the camera is doing it's best.


2 week ago, thanks to CLIVENGU who guide me to open up my camera and tweak/calibrate it. now everything i shoot is accurate, even without flash attach for its illuminator. this is a miracle, the machine perform wayyyyyy better then expected. wayyy pass my old 'margin' now my camera felt like a new A310, replacement for my A300 with more accurate focus!.

"cover my eye to shoot also sharp like needles."
ieR
post Nov 4 2009, 12:38 AM

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QUOTE(lildaredevil906 @ Nov 4 2009, 12:35 AM)
no la .. albnok brought the 135mm cz.. power i tell u..

mike: albnoks is a minolta 50mm 1.7 i think

nvm got fast response =P
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minolta F1.4 wink.gif i played with it before, and i like it more then SAL one... dunno why, sumore the coating is purple. ours is green

This post has been edited by ieR: Nov 4 2009, 12:40 AM
ieR
post Nov 4 2009, 12:39 AM

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mikeshashimi: i bet u felt intimated by A700 and 900... last time i joined the TT, i'm like, hide my camera in my bag only....
ieR
post Nov 4 2009, 12:41 AM

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QUOTE(lildaredevil906 @ Nov 4 2009, 12:39 AM)
LOL.. ya clive was telling us.. eh.. have fun with ur new calibrated toy =P

what u said kinda made me curious.. attaching flash to use the iluminator? do u get sharp results?
*
i wont say sharp, because sharpness depends on DOF... u wan sharp, F8... hahahaha

but i think the answer to ur question is, "it's more accurate".
ieR
post Nov 4 2009, 12:43 AM

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QUOTE(hazril @ Nov 4 2009, 12:41 AM)
u r which one arr bro...??the short hair or the long hair...???
*
that sound like albnok... hahahaha the trade mark albnok with rocker hairstlye
ieR
post Nov 4 2009, 12:44 AM

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post post post, let us who didnt made it to TT see ur faces~~~

ieR
post Nov 4 2009, 12:49 AM

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QUOTE(lwliam @ Nov 4 2009, 12:46 AM)
Ladies and gentlemen, i've got updates from Photography Bay (normally pics and rumors/news that come out here, so far have came true nearly 80% of the time) so see if it really is...

you decide

» Click to show Spoiler - click again to hide... «

*
urg, i think it will be improved to par like D300 range, a very strong APS-C body, far superior then A550. perhaps 53 AF point? hahaha so kiasu already...

why it would come out with another cheap budget FF, when all the FF lens is another BOMB... they lack of FF lens, but comes out with so many FF body @.@

This post has been edited by ieR: Nov 4 2009, 12:52 AM
ieR
post Nov 4 2009, 12:58 AM

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A100? mike?
ieR
post Nov 4 2009, 12:59 AM

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mike, revenge, i am sure the photo above show that u shoot other people too. post post post..
ieR
post Nov 4 2009, 01:32 AM

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u focus on wrong area? and try using F2.0 or F2.5, at such distance, the DOF is very shallow for F1.4
ieR
post Nov 4 2009, 01:42 AM

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QUOTE(lwliam @ Nov 4 2009, 01:38 AM)
depth of field, it has got to do with the aperture and the distance ur at from the subject


Added on November 4, 2009, 1:39 am

i got i got, but refrain from poisoned from it... coz mine should be coming soon tongue.gif
*
tamron1024?
ieR
post Nov 4 2009, 01:46 AM

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i think my turn to dilemma in which UWA is the most valueable to buy... >.< signma tamron SAL? sighhh or buy a 2k ring for gf....
ieR
post Nov 4 2009, 02:11 AM

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QUOTE(achew @ Nov 4 2009, 01:50 AM)
buy a 2k ring for gf and let her buy a 7k camera for u... rclxms.gif
*
if only so....

if i get ur gf a 2k ring, she gonna get me a body same like urs? rclxms.gif heheheehehehe joking


Tainted: grab 50mm F1.8 (if u not planning for FF) for its 50mm, and F1.8 is enough, save the extra money to grab other lens... if u are bokeh freak, u can aim 70200F2.8
ieR
post Nov 4 2009, 09:31 AM

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Albnok: (sorry bout yesterday, phone batt died suddenly) i did not say only sony, i am just showing that how sony having the 2nd mirror to send to the sensor down below. many ppl assumed the AF sensor is the main sensor @.@ or on top of the OVF or somewhere else biggrin.gif

well for the 2.8 > 3.5 i taken that (now i have to read all 8 page before to find out who said 2.8 is double the brightness of 5.6)... so assuming 2.8 is double the brightness of 5.6, how could it be 70% to F3.5? (but i'd admit that i gotten the wrong info on 2.8>F5.6 is double the light)

and i need you to clarify this, does F2.8 helps in lowlight in A200/300? taken point in that, at 18mm F3.5 vs 18mm F2.8.
ieR
post Nov 4 2009, 09:49 AM

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QUOTE(wuszhtag @ Nov 4 2009, 09:27 AM)
someone is selling minolta 50mm 1.7 in gara sales for RM450 best price with no rear cap. does it worth to get?

or its better to add another few bucks(or hundred) and get sony 50mm 1.8 instead?

no rear cap means the dust can enter the leans easily rite?thanks
*
minolta is FF lens smile.gif and i prefer it more. the new SAL is plasticky, but it has SAM.


the rear cap is just, when u are not using the lens, (on the table, cupboard, drawer or drybox) it doesnt has a cap to cover the rear from dust etc.

but u can grab a new rear cap from lelong or (shops, freelance seller from photomalaysia) for the rear cap for about rm30++.
ieR
post Nov 4 2009, 12:15 PM

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QUOTE(freddy manson @ Nov 4 2009, 09:58 AM)
aaa... just hate to fly u know..
ha ha ha just waiting lor..
maybe gona have it here (Sabah) next year..

nah share2 info later yah
*
if u hate fly, swim kao to kl hahahaha
ieR
post Nov 4 2009, 12:17 PM

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QUOTE(jcjk @ Nov 4 2009, 10:52 AM)
RAW and JPEG which is better..?
*
shoot RAW+jpeg. problem solved. this talk has been over and over every version of the thread. conculsion, shoot RAW+jpeg, u get to have both wink.gif
ieR
post Nov 4 2009, 12:18 PM

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QUOTE(clivengu @ Nov 4 2009, 03:50 AM)
Hahaha. is amazing right? is like suddenly from 1.0cc Kancil bcome Honda Civic 2.0cc! Power up! Every pictures seems Useable & worth keeping!

*
yup, like A300 MKII hahaha


Added on November 4, 2009, 12:19 pm
QUOTE(weixuan @ Nov 4 2009, 11:25 AM)
if not mistaken, you can get the rare lens cap from sony style/sony center for rm20
*
really? wahahha then get from sony, i always tot simple accesories like those cost a bomb from sony.


Added on November 4, 2009, 12:34 pm
QUOTE(albnok @ Nov 4 2009, 11:43 AM)
ieR: F2.8 to F5.6 is TWO stops! That means 4x the light.

Okay let's say in the dark:

50mm F2.8 has a physical aperture of 50mm/2.8 = 17.8571mm. The surface area is (17.8571/2)^2*pi = 79.719mm2*3.14156 = 250.44mm2
50mm F3.5 has a physical aperture of 50mm/3.5 = 14.2857mm. The surface area is (14.2857/2)^2*pi = 51.02mm2*3.14156 = 160.28mm2
50mm F4.0 has a physical aperture of 50mm/4.0 = 12.5000mm. The surface area is (12.5000/2)^2*pi = 39.0625mm2*3.14156 = 122.72mm2

250mm2 / 160mm2 = 1.56

Thus the difference is 56% more between F2.8 and F3.5. The difference is around 104% between F2.8 and F4.0 but this is not precise. Why? F2.8 is not really F2.80000; it is SQRT(8) or F2.8284271.

All full aperture stops are square roots of multiples of 2:

F1.0
F1.4
F2.0
F2.8
F4.0
F5.6
F8.0
F11
F16

squared:
F1.0
F2.0
F4.0
F8.0
F16
F32
F64
F128
F256

Which is also:
2^0
2^1
2^2
2^3
2^4
2^5
2^6
2^7
2^8

How about half stops or one-third stops?
2^0
2^0.3333
2^0.6666
2^1

2^0
2^0.5
2^1
2^1.5
2^2

Alternatively, let's see what true aperture numbers are:
SQRT(1)
SQRT(2)
SQRT(4)
SQRT(8)
SQRT(16)
SQRT(32)

square roots:
F1.0
F1.4142
F2.0
F2.8284
F4.0
F5.6569

Braynumb: Do you want full frame or not? Are you prepared with FF lenses?
*
*faints* i am never good with maths... hahaha, so, like u mentioned, a 56% increasement, does it really help? if light is a full scale of 1(i dont know how to scale light). lowlight means 0.1, 56% = 0.15? does that really help? the 0.05 up...
also so that that mean when u gotten more then 0.5scale of light(room with lights), 56% is like boost to 0.75, thus more light is always a big help? so how would be the conclusion @.@ F2.8 helps in daylight but near to nothing at lowlight?

but the main question is, (not how much light does it really comes from F2.8 to F5.6) does F2.8 helps on A2/3/330/550 in lowlight? (to answer the people with these question, and my own answer still a NO)

again, i shoot very well in the dark because everytime i shoot, i try target something with contrast, not plain flat surface in the dark. something obviously shows black to white, thus i always archive proper focus when i dont mount my flash, if i have my flash, i dont even think focus was the problem. *edit: so this is the technique for the people to learn to improve shooting technique at night.

and not forgetting the source of this discussion, worth to upgrade to 16105 from 1750. 16105. hmmm... (for those who still owns a A300 or similiar series, that yet to upgrade to 550 or 700 or 850)

but i could state this very well, because my uncle owns a cz1680, and and i play with it often, i made a conclusion, although CZ is higher in apperture, it focus hunt better then 1750, because of the coating that improves contrast which help in focusing. (wayyyyy better) so for those who wans to upgrade from 1750 to CZ, yes it is possible worth your money. but some people just need that F2.8 even at daytime. and CZ might suffer from slow shutter at lowlight iether way. your pick.

This post has been edited by ieR: Nov 4 2009, 12:44 PM

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