/p/ - Photography » Thread #3053743

>>3053743
Ul, without the mirror sitting perfect your af will be fucked, repairing will cost more than replacing the whole body.

Just fyi, sony rate their mirrorless shutters far higher than any dslr, if you do like to use gear for a long time they will probably give you the best option.

Anonymous

Anonymous Sat 08 Apr 2017 14:40:17 No.3053759 Report

Quoted By: >>3053760

>>3053747
I just did! Canon's full frame mirror less is finally here

Anonymous

Anonymous Sat 08 Apr 2017 14:41:15 No.3053760 Report

Quoted By: >>3053770

>>3053759
>Canon's full frame mirror less is finally here

An a7rii with a metabones?
good choice.

Anonymous

Anonymous Sat 08 Apr 2017 14:43:20 No.3053761 Report

Quoted By:

>>3053743
cut hole from viewfinder through the top of camera and enjoy your new mirrorless

Anonymous

Anonymous Sat 08 Apr 2017 14:49:08 No.3053766 Report

Quoted By:

>>3053743

Today OP learns about flange distance

Anonymous

View Same Google ImgOps iqdb SauceNAO 1486286445880.jpg, 38KiB, 429x600

Anonymous Sat 08 Apr 2017 15:04:16 No.3053769 Report

Quoted By:

>>3053755
gtfo sony shill

Anonymous

Anonymous Sat 08 Apr 2017 15:06:17 No.3053770 Report

Quoted By:

>>3053760
I got a pretty good deal for an a7rii + metabones then, £400. only catch is you can't remove the adapter...

Anonymous

View Same Google ImgOps iqdb SauceNAO SLR_focus_crossection.png, 17KiB, 600x338

Anonymous Sat 08 Apr 2017 15:23:06 No.3053776 Report

Quoted By: >>3053782 >>3053785 >>3053843

>>3053755
>without the mirror sitting perfect your af will be fucked

No, you don't need the main mirror for auto focus.
See picture.

Repairing should be as easy as gluing the mirror back on.

Anonymous

View Same Google ImgOps iqdb SauceNAO canon-leica-camera-photos2.jpg, 42KiB, 500x362

Anonymous Sat 08 Apr 2017 15:28:46 No.3053778 Report

Quoted By: >>3053788 >>3053844 >>3054205

>>3053743
Just convert it to M mount.

Anonymous

Anonymous Sat 08 Apr 2017 15:37:19 No.3053782 Report

Quoted By:

>>3053776
sony shill BTFO

Anonymous

Anonymous Sat 08 Apr 2017 15:41:31 No.3053785 Report

Quoted By: >>3053792

>>3053776
This image clearly shows that mirror position is critical for af, thanks for proving my point?!

Anonymous

Anonymous Sat 08 Apr 2017 15:47:49 No.3053788 Report

Quoted By:

>>3053778
>Canon 5Openfacemotorcyclehelmet Classic

Anonymous

Anonymous Sat 08 Apr 2017 15:54:08 No.3053792 Report

Quoted By: >>3053843

>>3053785
AF mirror? yes.
Main mirror? no.

In OP's picture only the main mirror is gone.

Anonymous

Anonymous Sat 08 Apr 2017 18:12:53 No.3053840 Report

Quoted By:

>>3053743
Just shoot in liveview

Anonymous

Anonymous Sat 08 Apr 2017 18:18:07 No.3053843 Report

Quoted By: >>3053846

>>3053792
>>3053776
If anything, the AF mirror is getting more light now. Would AF performance with slow lenses improve?

Anonymous

Anonymous Sat 08 Apr 2017 18:19:21 No.3053844 Report

Quoted By: >>3053848

>>3053778
is that sawed off?

Anonymous

Anonymous Sat 08 Apr 2017 18:23:43 No.3053846 Report

Quoted By:

>>3053843
>Would AF performance with slow lenses improve?

Slow lenses have worse AF performance mainly because phase detection replies on the aperture.
Bigger aperture = bigger phase differences.
Note that most phase detection sensors won't even work at f/8 no matter how much light there is.

But it might improve a bit in low light regardless of the lens.

Anonymous

Anonymous Sat 08 Apr 2017 18:27:27 No.3053848 Report

Quoted By:

>>3053844
Yes, the entire mirror box was removed.
Leica M lenses require a shorter flange distance.

Anonymous

View Same Google ImgOps iqdb SauceNAO 20170409_103443.jpg, 2MiB, 3264x2448

Anonymous Sun 09 Apr 2017 09:37:51 No.3054179 Report

Quoted By: >>3054204 >>3054221

Glued back. AF still works accurately (I'm not just a Helios hipster)

Anonymous

Anonymous Sun 09 Apr 2017 09:42:28 No.3054180 Report

Quoted By:

That was so intense.

Anonymous

Anonymous Sun 09 Apr 2017 10:54:41 No.3054204 Report

Quoted By:

>>3054179
>AF still works accurately

Just as I predicted.

What did I win?

Anonymous

Anonymous Sun 09 Apr 2017 11:02:07 No.3054205 Report

Quoted By: >>3054206 >>3054220

>>3053778

Why?

Coulda just bought an a7rii. Woulda been a lot less work and he would have a much better sensor.

Anonymous

Anonymous Sun 09 Apr 2017 11:12:21 No.3054206 Report

Quoted By:

>>3054205
You could just kill yourself. Would be a lot less work than 24/7 sony shilling, and we would have a much better board in return

Anonymous

Anonymous Sun 09 Apr 2017 12:06:36 No.3054220 Report

Quoted By:

>>3054205
Because that example was hacked together before the A7 was even made.

Sugar !egyYvoBZV2

Sugar !egyYvoBZV2 Sun 09 Apr 2017 12:08:59 No.3054221 Report

Quoted By:

>>3054179

My 5D Classic did this, it was a known issue for a while and if yours did it they would fix it for free, did that on both of mine.

Hopefully you didn't use too much glue, the mirror is not needed for AF but for manual focus like on your Helios 44 if it's slightly higher than it should be from too much glue it will not focus accurately, I've done the repair myself back when I had access to all that stuff at Rockwell

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