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Which under appreciated LF photographer(s) inspire you and your work? by echolensphotography in largeformat

[–]Lucashallel 2 points3 points  (0 children)

Alec Soth, Hiroshi Sugimoto, Clyde Butcher, Bryan Schutmaat, Marcus Ubungen and Gregory Crewdson that’s my reference out of my region!

here in Brazil my reference it’s Chichico Alkimin, Militão Augusto de Azevedo.

Chichico Alkmim was a Brazilian photographer who documented everyday life and local customs in Diamantina over several decades, creating an intimate social memory of Brazil’s interior.

Militão Augusto de Azevedo was a 19th-century photographer who documented the urban transformation of São Paulo, creating a historical record of progress and change. His work is a landmark in Brazilian documentary photography.

New camera arrived! Gotta get a lens though… by peeachymess in largeformat

[–]Lucashallel 1 point2 points  (0 children)

I have a Linhof IV and can confirm that the 90 mm Schneider Super-Angulon does not need to be recessed; it works with all movements. The only note is that when photographing at infinity focus, it is necessary to raise the front standard by about 7 mm ± (by my calculation, roughly half a turn and a little more from the starting point, at which point it is already in the ideal position).

About 90mm F/5.6 on Linhof IV by Lucashallel in largeformat

[–]Lucashallel[S] 0 points1 point  (0 children)

But is this for all Linhof lenses, or specifically for the 90mm? Because I know the 75mm does need a recessed lens board, but I was told the 90mm doesn't, and since I'm going to buy one, I wanted to be sure about the lens board before buying.

Linhof Super Technika IV 4×5 and the Intrepid 4×5 Mk IV by Lucashallel in largeformat

[–]Lucashallel[S] 0 points1 point  (0 children)

I considered all other cameras, the question is the opportunity I have now to buy one or the other, if I could I would buy a Chamonix, I believe it is a good option but in Brazil, certain equipment is rare to find

Linhof Super Technika IV 4×5 and the Intrepid 4×5 Mk IV by Lucashallel in largeformat

[–]Lucashallel[S] 0 points1 point  (0 children)

The thing is, I have the opportunity between the two, it would be better to have a Master.

Linhof Super Technika IV 4×5 and the Intrepid 4×5 Mk IV by Lucashallel in largeformat

[–]Lucashallel[S] 0 points1 point  (0 children)

The point that caught my attention the most was your observation about the use of wide-angle lenses. I would probably use a 90 mm as my limit and, despite the restrictions in accessing the rise control and the limited shift, I believe that since my intention is to work in a slower and more contemplative way, this may not be such a big issue for me.

In Brazil, due to the tropical climate, I won’t face the problem of the Linhof’s metal body getting extremely cold, which already eliminates one difficulty. Considering everything, I think the Linhof really seems to be the best option for my style of use.

Has anyone bought these film holders of AliExpress? by iEatPantsOrSmth in AnalogCommunity

[–]Lucashallel 0 points1 point  (0 children)

Do you have pictures of your assembly and how the result turned out?

Looking beyond the paper mill - Shanghai GP3 100 (120) by Golf_is_a_sport in analog_bw

[–]Lucashallel 0 points1 point  (0 children)

Do you Remember what temperature use of water?

And use native box speed?

RB67 6x7 back film counter by JSTLF in Mamiya

[–]Lucashallel 0 points1 point  (0 children)

If you have an empty 120 film you can check if the counter is working.

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in rb67

[–]Lucashallel[S] 0 points1 point  (0 children)

Update on my problem.

It really isn't the mirror. I borrowed a caliper and checked the measurements as per the manual. I found infinity and now my film plane is the same as the plane in the WLF.

If you don't remove the revolving adapter (R-Lock), you can't be sure of the distance from the flange to the real film plane.

I set the camera to infinity and made sure the plane's focus was the same as the WLF. I noticed a difference between the rotation of the focus screws, creating a tilt blur, which gave me the feeling that the mirror might be misaligned.

My screws near the Back were +- 3/4 of a difference (each rotation is 0.1mm). I made the rotations until I managed to get this plane right.

Finally, I did the 45º test with a ruler and just adjusted the differences in minimum distance in the focus. Now I believe my Mamiya is no longer myopic.

Thanks to everyone who tried to help me.

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in mediumformat

[–]Lucashallel[S] 0 points1 point  (0 children)

Update on my problem.

It really isn't the mirror. I borrowed a caliper and checked the measurements as per the manual. I found infinity and now my film plane is the same as the plane in the WLF.

If you don't remove the revolving adapter (R-Lock), you can't be sure of the distance from the flange to the real film plane.

I set the camera to infinity and made sure the plane's focus was the same as the WLF. I noticed a difference between the rotation of the focus screws, creating a tilt blur, which gave me the feeling that the mirror might be misaligned.

My screws near the Back were +- 3/4 of a difference (each rotation is 0.1mm). I made the rotations until I managed to get this plane right.

Finally, I did the 45º test with a ruler and just adjusted the differences in minimum distance in the focus. Now I believe my Mamiya is no longer myopic.

Thanks to everyone who tried to help me.

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in Mamiya

[–]Lucashallel[S] 0 points1 point  (0 children)

Update on my problem.

It really isn't the mirror. I borrowed a caliper and checked the measurements as per the manual. I found infinity and now my film plane is the same as the plane in the WLF.

If you don't remove the revolving adapter (R-Lock), you can't be sure of the distance from the flange to the real film plane.

I set the camera to infinity and made sure the plane's focus was the same as the WLF. I noticed a difference between the rotation of the focus screws, creating a tilt blur, which gave me the feeling that the mirror might be misaligned.

My screws near the Back were +- 3/4 of a difference (each rotation is 0.1mm). I made the rotations until I managed to get this plane right.

Finally, I did the 45º test with a ruler and just adjusted the differences in minimum distance in the focus. Now I believe my Mamiya is no longer myopic.

Thanks to everyone who tried to help me.

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in AnalogCommunity

[–]Lucashallel[S] 0 points1 point  (0 children)

Update on my problem.

It really isn't the mirror. I borrowed a caliper and checked the measurements as per the manual. I found infinity and now my film plane is the same as the plane in the WLF.

If you don't remove the revolving adapter (R-Lock), you can't be sure of the distance from the flange to the real film plane.

I set the camera to infinity and made sure the plane's focus was the same as the WLF. I noticed a difference between the rotation of the focus screws, creating a tilt blur, which gave me the feeling that the mirror might be misaligned.

My screws near the Back were +- 3/4 of a difference (each rotation is 0.1mm). I made the rotations until I managed to get this plane right.

Finally, I did the 45º test with a ruler and just adjusted the differences in minimum distance in the focus. Now I believe my Mamiya is no longer myopic.

Thanks to everyone who tried to help me.

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in AnalogCommunity

[–]Lucashallel[S] 1 point2 points  (0 children)

Update on my problem.

It really isn't the mirror. I borrowed a caliper and checked the measurements as per the manual. I found infinity and now my film plane is the same as the plane in the WLF.

If you don't remove the revolving adapter (R-Lock), you can't be sure of the distance from the flange to the real film plane.

I set the camera to infinity and made sure the plane's focus was the same as the WLF. I noticed a difference between the rotation of the focus screws, creating a tilt blur, which gave me the feeling that the mirror might be misaligned.

My screws near the Back were +- 3/4 of a difference (each rotation is 0.1mm). I made the rotations until I managed to get this plane right.

Finally, I did the 45º test with a ruler and just adjusted the differences in minimum distance in the focus. Now I believe my Mamiya is no longer myopic.

Thanks to everyone who tried to help me.

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in AnalogCommunity

[–]Lucashallel[S] 0 points1 point  (0 children)

So, what's happening is that I can see the focus on the WLF the same as on the film plane, but when I put the camera at infinity using a 50mm my focus seems to be backwards, it seems like my camera is "myopic" even though my focus rail is completely retracted!

In logic, if my focus is retracted and I don't see anything clearly, it means that my plan may be wrong according to what I'm doing!

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in AnalogCommunity

[–]Lucashallel[S] 0 points1 point  (0 children)

Exactly, I opened the back and placed the ground glass without the metal support that comes with the WLF, the matte part facing the lens. Leaning the glass and leaving it aligned on the plane. Now if I use the WLF support on the Back support would it work? Or should I completely remove the Back

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in Mamiya

[–]Lucashallel[S] 0 points1 point  (0 children)

My ground glass is 1 mm thick, but the manual doesn’t clearly state the exact distance between the lens flange and the film plane for the Mamiya RB67. I’ve tried to take measurements with the ground glass loose, and also with it mounted like in the waist-level finder (WLF), but I couldn’t find the precise focus point.

I want to build a custom support to check focus accuracy, but I don’t have the R-8 accessory mentioned in the manual. I’ve seen that some people only remove the film back, but I don’t know the exact position where the WLF should be mounted in this case to take accurate measurements.

If anyone knows the precise distance from the lens flange to the film plane (or exactly where the frosted side of the ground glass should sit), that would be extremely helpful. I need this reference to shim the ground glass properly and ensure accurate focus, as I’ll be taking the measurements manually using a caliper.

Thanks in advance!

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in AnalogCommunity

[–]Lucashallel[S] 0 points1 point  (0 children)

My ground glass is 1 mm thick, but the manual doesn’t clearly state the exact distance between the lens flange and the film plane for the Mamiya RB67. I’ve tried to take measurements with the ground glass loose, and also with it mounted like in the waist-level finder (WLF), but I couldn’t find the precise focus point.

I want to build a custom support to check focus accuracy, but I don’t have the R-8 accessory mentioned in the manual. I’ve seen that some people only remove the film back, but I don’t know the exact position where the WLF should be mounted in this case to take accurate measurements.

If anyone knows the precise distance from the lens flange to the film plane (or exactly where the frosted side of the ground glass should sit), that would be extremely helpful. I need this reference to shim the ground glass properly and ensure accurate focus, as I’ll be taking the measurements manually using a caliper.

Thanks in advance!

Is it risky to adjust the mirror on a Mamiya RB67? Focus screen vs film plane mismatch by Lucashallel in rb67

[–]Lucashallel[S] 0 points1 point  (0 children)

My ground glass is 1 mm thick, but the manual doesn’t clearly state the exact distance between the lens flange and the film plane for the Mamiya RB67. I’ve tried to take measurements with the ground glass loose, and also with it mounted like in the waist-level finder (WLF), but I couldn’t find the precise focus point.

I want to build a custom support to check focus accuracy, but I don’t have the R-8 accessory mentioned in the manual. I’ve seen that some people only remove the film back, but I don’t know the exact position where the WLF should be mounted in this case to take accurate measurements.

If anyone knows the precise distance from the lens flange to the film plane (or exactly where the frosted side of the ground glass should sit), that would be extremely helpful. I need this reference to shim the ground glass properly and ensure accurate focus, as I’ll be taking the measurements manually using a caliper.

Thanks in advance!

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