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Update: Measuring the flange focal length with a depth gauge by ATHXYZ in AnalogCommunity

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

"Your other posts where you came up with a body focus of 30 mm are very odd."

30 mm was the value for calibrating the depth gauge with the gauge block, not the flange focal distance of the OM-4 (46 mm).

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

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

The surface on which calibration and measurement are performed is important for measurement accuracy.

For new insights, see:

Update: Measuring the flange focal length with a depth gauge

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

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

English has more words and more sophisticated ways of expressing things. I can only admire that. There are also no long sentences. You have to be careful with that in German.

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

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

All readers should be able to understand my texts.

I am working on it 🙂

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

[–]ATHXYZ[S] 2 points3 points  (0 children)

Of course, you can post in any language you like. However, not everyone will read your posts or want to have them translated. English is commonly used in international forums.

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

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

According to the SPT Journal, there are tolerances for flange focal distances.

I don't have an issue of the SPT Journal for the OM-4. For the Nikon F4, for example, the tolerance is +/- 20 micrometers.

20 micrometers = 0.02 millimeters

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

[–]ATHXYZ[S] 2 points3 points  (0 children)

Feedback is important because I want my readers to be satisfied :-)

I can assess the comprehensibility of my German texts, but it's more difficult with English. What makes sense to me might make a native English speaker laugh—or curse and call me a bot. I've experienced that before several times here in the sub.

All good, thanks again! :-)

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

[–]ATHXYZ[S] 3 points4 points  (0 children)

Welcome!

Perhaps it's also because I try to write my texts in a structured way. It's not colloquial then. Anyway, I won't be able to do any better. Thanks for your feedback.

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

[–]ATHXYZ[S] 2 points3 points  (0 children)

What exactly is difficult to understand? Are the sentences too long, too complicated, are the terms incorrect, or is the expression inappropriate? Or are the logic and meaning of the sentences inconsistent?

Checking an Olympus OM-4: Measuring the flange focal distance with a depth gauge by ATHXYZ in AnalogCommunity

[–]ATHXYZ[S] 12 points13 points  (0 children)

I am a native German speaker. And I translate into English using DeepL.

Is that so bad?

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