/p/ - Photography » Thread #2937913

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Anonymous Sun 02 Oct 2016 02:43:16 No.2937913 View View Reply Original Report

Quoted By: >>2937929 >>2937938 >>2938003 >>2938039 >>2938040 >>2938068

Am i the only one who is having problems hitting focus with 85mm lens, or is it everyone else?
f 1.8 or f 2 is almost unusable, not only eyes end up not in focus, but face too in 9 out of 10 shots. Wondering if this is a common problem, or just my camera calibration.

Anonymous

Anonymous Sun 02 Oct 2016 03:24:43 No.2937929 Report

Quoted By:

>>2937913
Dude, resize your shit.

Anonymous

Anonymous Sun 02 Oct 2016 03:46:21 No.2937938 Report

Quoted By: >>2938039

>>2937913
master single point and reframe.

Otherwise, it's the curse of a thin depth of field. Other lenses farther up the chain suffer the same problems.

Anonymous

View Same Google ImgOps iqdb SauceNAO tab_1010158.jpg, 158KiB, 919x570

Anonymous Sun 02 Oct 2016 04:22:57 No.2937947 Report

Quoted By:

nope
rangefinder is quick and accurate

Anonymous

Anonymous Sun 02 Oct 2016 05:33:03 No.2937964 Report

Quoted By:

Nah dude little magnified square with focus confirmation

Anonymous

Anonymous Sun 02 Oct 2016 06:34:25 No.2938003 Report

Quoted By:

>>2937913
Get a sony, their focus detection is on sensor so it never misses focus, and it has an "eye af" mode that locks onto eyes. Their 85mm f1. 4 gm is the best af lens in the world.

Anonymous

Anonymous Sun 02 Oct 2016 07:30:10 No.2938012 Report

Quoted By:

got any photos of her turd cutter in focus?

!!Me2iIexFVez

!!Me2iIexFVez Sun 02 Oct 2016 08:54:45 No.2938039 Report

Quoted By:

>>2937913
Are you doing this?
>>2937938
>master single point and reframe.

Because if you are that's probably your issue.
Or you are just not paying attention to what's showing as focussed when you shoot, and paying too much attention to it after the fact.
Also, standard focusing screens are really only good for eyeballing focus on lenses up to about f/2.8, after that you need a high contrast screen or *shudder* split hemisphere/prisms

Anonymous

Anonymous Sun 02 Oct 2016 08:59:01 No.2938040 Report

Quoted By:

>>2937913
Not really a problem with focus peaking and/or AF with face / eye detection (ya, I'm on Sony).

Or the AF point moved onto face or just focus & recompose (what can be done on cameras that don't have either function).

Anonymous

Anonymous Sun 02 Oct 2016 09:08:48 No.2938045 Report

Quoted By: >>2938685 >>2938700 >>2938863

Oh, dont listen to people saying focus and recompose, that's a great way to ensure you miss focus.
>hurr, ive got about an inch deep focal plane, let's focus, then MOVE THE CAMERA
Fucking dildoes.
Move your focus point, or use liveview.

!!Me2iIexFVez

!!Me2iIexFVez Sun 02 Oct 2016 10:04:47 No.2938068 Report

Quoted By: >>2938073

>>2937913
http://pseudosticky.wikia.com/wiki/Pseudo_sticky#Petzval_field_curvature_-_Why_focus_and_recompose_sucks

!!Me2iIexFVez

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!!Me2iIexFVez Sun 02 Oct 2016 10:14:57 No.2938073 Report

Quoted By: >>2938808 >>2938821

>>2938068
That said: I focus and recompose all the time, especially when using telephoto. But I also almost never use the centre focus point. If you understand what it does and why it's fairly trivial to work with it anyway. Less trivial with really fast lenses wide open.

Anonymous

Anonymous Mon 03 Oct 2016 02:42:29 No.2938685 Report

Quoted By:

>>2938045
that is exactly my concern with focusing and recomposing.
Thing is even if i put my focus on where it needs to be, for example an eye even then it misses a lot of times, focuses on eye lash, or back focuses somehow. using nokon d800

Anonymous

Anonymous Mon 03 Oct 2016 03:11:06 No.2938700 Report

Quoted By:

>>2938045
>crutch autofocus
>doing this with a split prism focusing screen
durrrrrrrrr hurrrrrrrrrrrrrrrrrrrrrr

Anonymous

Anonymous Mon 03 Oct 2016 07:06:07 No.2938808 Report

Quoted By: >>2938821

>>2938073

That's an exaggeration unless you're regularly taking photos from 4 feet away, the further away you are the smaller the angular change. Also the image raised the camera in the second photo to exaggerate the change and lengthened the green line.

Anonymous

Anonymous Mon 03 Oct 2016 08:00:37 No.2938821 Report

Quoted By: >>2938905

>>2938808
This. Telecreep of all people should understand, his 'subjects' are always 10 metres away at least.
>>2938073
Additionally, the plane of focus almost always curves inward away from the centre with lenses wide and fast enough for the theoretical difference to matter.

Anonymous

Anonymous Mon 03 Oct 2016 09:44:54 No.2938863 Report

Quoted By: >>2939945

>>2938045
The only time you should ever be shooting wide-open, at least with fast primes, is in low-light situations. The wide-open portraiture kiddos are using all the creamy bokeh that can be had as a crutch to hide their lack of talent as a photographer.

!!Me2iIexFVez

View Same Google ImgOps iqdb SauceNAO B0161575-y720px.jpg, 32KiB, 480x720

!!Me2iIexFVez Mon 03 Oct 2016 11:53:51 No.2938905 Report

Quoted By:

>>2938821
>wide and fast enough for the theoretical difference to matter.
>85mm/1.8
try to keep up

>always 10 metres away at least.

BJDrew !!LkyLqEm9G0v

BJDrew !!LkyLqEm9G0v Tue 04 Oct 2016 14:00:32 No.2939936 Report

Quoted By:

With focus and recompose, If you do it enough and use manual focus, you just naturally compensate that tiny little hair needed to hit focus most of the time. Usually just leaning in or back rather than touching the focus. It becomes natural.

If you shoot f1.2, then you need to take multiples. You won't hit every shot perfectly.

Fuck phase AF for such critical applications. Fuck it with a rusty beer can.

Lucky enough to have EVF? Then you don't miss... But you need to compose then focus rather than focus and compose. This takes a bit of practice and a fairly static scene or keeping one eye on the scene and one in the EVF.

Anonymous

Anonymous Tue 04 Oct 2016 14:11:16 No.2939945 Report

Quoted By:

>>2938863
Dof is a creative choice faggot

Sugar !egyYvoBZV2

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Sugar !egyYvoBZV2 Tue 04 Oct 2016 14:27:09 No.2939951 Report

Quoted By: >>2939959

No problems here.

It's just you.

Anonymous

Anonymous Tue 04 Oct 2016 14:32:14 No.2939954 Report

Quoted By:

I haven't had this problem since the first day I used a mirrorless camera. I can shoot at f1.2 all day no problem. I've been thinking about a chinesium 0.95 for that stopped down 1.4 action

Anonymous

Anonymous Tue 04 Oct 2016 14:42:36 No.2939959 Report

Quoted By:

>>2939951
Your photos are so shit

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