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I noticed it is not only tragic pinup and myself. There are more people (of course there are!) having the same question, sharing the impression that the preemptive maintenance intervals might just be...

Hello to everyone!

I would like to ask those of you familiar with the Hasselblad Flextight X1 scanner if they know (rather than guess) which maintenance interval is actually needed to keep the...

I do not want to overstress your readiness to help, so I will try to sum up:

Checking for vignetting:

Like described above in # 16, looking front to back - spotting the cutout corners of the...

Maris, I am not sure I fully understood your technique. But you are right, when stepping back a little I actually manage to see the cut out corners even with the lens hood attached, although this...

Hello Maris,

thank you for your very helpful answer.


This is exactly the kind of knowledge that would be very difficult to find in books. Thanks for the information, much appreciated!


I...

Hi Willie,

You are of course right. I had thought of this possibility. However, when putting together the same setup of camera, lens, movement, bellows and lens hood for the sake of finding the...

@Bob

I will check the whole bunch and smoothen the edges where appropriate. Thanks for pointing out.

@Michael W

As mentioned before the shots were taken with a Linhof Technikardan 45s (abbr....

Thank you for this valuable hint. I take it that the "light trap area of the holder" is the area at the bottom end when inserted. Please correct me, if I got you wrong. I have just identified and...

Bob, thanks for responding. No Riteway holders are involved, mine are all Fidelity Elite holders. After exposure I pull out the dark sheet completely, turn it to mark exposure and then reinsert it.
...

Hello to everyone!

In a series of shots taken last year all came out just fine except for four consecutive shots, 2 identical exposures for each of 2 images. They show a broad stripe of blocked...

First of all, thank you everyone! All the valuable input really helps sorting out things.

@Bob

That pretty much sums it up regarding the angled viewer. It is a matter of choice really. I tend...

@mdarnton

Thank you so much for your explanation. As I said, I had suspected it has to do with the fresnel and angles of light, but could not pinpoint that any further. So your exact explanation...

Hello everyone,

I hope this is the right forum section to put my question.

I would be really grateful if someone more knowledgeable than me could explain to me the following phenomenon:
...

Wow, so it is just the opposite. Concerning the 6x, last year I found it to work fine for my needs in combination with the Arca Swiss and its great Fresnel, but not with the Chamonix N2. And this...

Thanks for the information. This confirms exactly what Gem Singer reported. As I stated earlier: one riddle solved.


Yes that is possible. I do however not believe that the grid is etched on the...

@cowanW:

Yes, that is clearly so. The loupe is there to project an enlarged portion of the camera image unchanged to the retina, as sharp or unsharp as it may be. And we use the enlargement to...

Gem, thank you very much for finally clarifying the grid issue!

I knew about the nature and structure of the Maxwell screen just not where the grid is. Your placing it onto the front side of the...

Thanks Larry, this sounds like a good workaround.

See, I am not very knowledgable when it comes to optical theory. So I was unsure about how strong an effect regarding critical sharpness would...

Please excuse, I appreciate your input, but my question was not about fresnel screens as such or even the Maxwell screen as such. Nor was it about focusing the image of any outside object.

It was...

Hi all!

Last year I bought a Linhof TK 45S from a member of this forum. It came with a "Maxwell HI-LUX Ultra Brilliant Matte 4.7" installed as a replacement for the original Linhof ground glass.
...

This is good news! Thanks for the reassurance.

Hi everyone!

I am aware of the warning to use any filter but B&W EW on this lens as the glass somewhat protrudes. I would like to screw on a Lee 67 mm wide angle adapter ring and use the Lee...

Oh, if the Shen Hao bellows does not block IR light completely it might indeed not be worth buying one solely for this purpose.

So Mylar is the only solution fully up to the task... The Mylar...

Hello everyone!

Up to now I shot IR rollfilm with my Hasselblad. And luckily I do have Efke 820 IR rollfilm stocked. But anyway, although still quite new to LF, I would like to prepare and be...

Just to confirm:
Cleaning with lighter fluid and re-greasing with lithium grease worked very well, telescopic motion is smooth again.

If I may ask one more question: I guess there is no way to...

Thanks for sharing your expertise. So for cleaning there are several options now, undiluted alcohol, aceton and lighting fluid. Luckily they are all at hand.

And for the lithium grease I already...

@Brian
Thanks for your input and the suggestion of lighter fluid. I frequently use petroleum benzine for cleaning purposes but never dared to use this agent or lighter fuel for photographic cleaning...

Hi everyone!

I bought a used Wista Lupe. It was sold as the 5x Standard Loupe but I think it might really be the longer Hood Loupe that I actually wanted anyway. I believe it is the one with 7x...

Emmanuel, thanks for coming back again.


Very useful general advice, I'll think of you next time I use tape ;) This time however there will be no need for me to dive into DIY. As I wrote in my...

Thank you all so much for your valuable answers!



Although I am quite new to LF and to this forum I was already aware of that. Reading this forum I had come across many of Emmanuels postings. I...

Sorry, it is too late to edit the above post.



I meant of course that the bellows in question is not in that catalogue, the others are.

So, you are sitting directly at the source ;)



Thanks for this clarification. But how would I distinguish the two types, before and after 1984?

So, if I am unlucky it is an "Oschwald type"...

Hi everyone!

I thought that maybe someone here could help me to find out if a certain type of Arca Swiss bag bellows is compatible with my needs.

There exists a variant (on 171 x 171 frames)...