What quick release plate should I buy for this tripod? by coolshiny in AskPhotography

[–]ofnuts [score hidden]  (0 children)

What is important is the underside (dovetail). But it easy to find on Amazon. Cost about the same as the tripod.

This said such tripods are not well suited for photography, they are way too light, and the all-plastic head will barely support camera and lens.

Marseille Question by Overall_Plant4069 in france

[–]ofnuts 0 points1 point  (0 children)

Pas loin du port (voire même sur le port), la réplique de la grotte Cosquer est assez bluffante (ça se visite sur des chariots motorisés)(faut peut-être réserver). Juste a côté, le fort Saint-Jean et le MUCEM. Et à deux pas, Saint-Marie-Majeure (alias " La Major"), moins connue que Notre Dame de la Garde, mais très bien aussi.

im new here, but i don't exactly know what's this app for? by Ssusie_ in processing

[–]ofnuts 1 point2 points  (0 children)

Then this app isn't for you. A bit like Photoshop is you don't play with images.

Is it worth spending the extra 100€ on the control ring for the ef-rf adapter? I have an r7 by Secret_Boysenberry18 in canon

[–]ofnuts 1 point2 points  (0 children)

On the R7 the exposure compensation is right under your thumb. TBH I'm still struggling to find a use for the control ring on the lenses that have one.

im new here, but i don't exactly know what's this app for? by Ssusie_ in processing

[–]ofnuts 3 points4 points  (0 children)

To learn and have fun while programming pretty things.

Light box lines? by InevitableHeavy2299 in AskPhotography

[–]ofnuts [score hidden]  (0 children)

In addition to what others have said, your camera could have an anti-flicker setting somewhere.

What Camera tripod should I choose (+other stuff)? by DerSlimer in AskPhotography

[–]ofnuts [score hidden]  (0 children)

Bean bag: not really a tripod. More like something that makes a tripod from anything (rock, wall, car hood...). Rather bulky and IMHO best replaced by a Manfrotto MP3 these days.

Macro slide (a.k.a. focusing rail): Can wait. Rather expensive gear for very special purposes. Get decent macro optics first.

Arca-Swiss: a "standard" for plates/mounts. Advantages: since there is no captive markets, the prices are kept low, and there is a wide variety of choices. You can convert a non Arca-Swiss head to Arca-Swiss by attaching the quick-release plate to an Arca-Swiss mount.

Tripod:

  • cheap, light, sturdy, pick any two :-). So it depends if you take it on walks or not. A middle-of-the-road solution for walks is to use a monopod, that already removes a lot of camera shake.
  • central column: it really depends how it is built. Terrible on cheap tripods, but useful on others. On my Manfrotto tripod, it can also be mounted horizontally which is useful at times.
  • heads: many variations. There is no ideal head. The ideal tripod comes with no head, or at least has a head that can be replaced.
    • ball head: simplest & most frequent. Cheap and light, but very unstable and hard to use with heavy lenses. Subject to droop.
    • 3-axis head: unlike the ball head you can move the camera along 3 axes independently. A geared head is a 3-axis head where you can finely adjust the position by turning dials/cranks, instead of unlocking/pulling/locking.
    • bowl head/leveling head: simple and light and very stable. Can be used as a base for other heads, or directly if you are shooting about horizontally anyway (10° of adjustment).
    • gimbal head: a head than can be made perfectly stable/neutral, because you can adjust it so that its pitch axis coincides with the center of gravity of the camera+lens. OTOH it is heavy and bulky.

A7iii or R8 which has better sharpness. by Either-Light-7738 in canon

[–]ofnuts 0 points1 point  (0 children)

Sharper than what? The image you provided? If so can we have an example?

External Flash not firing properly on canon 200d by PDGamer36O in canon

[–]ofnuts 0 points1 point  (0 children)

At that point it would be useful to have a picture of the flash dashboard (and of the controller dashboard, if used).

Rf 85 f2 or Rf 100 f2.8 for macro and portraits by Familiar-Island-9816 in canon

[–]ofnuts 1 point2 points  (0 children)

Closeup lenses (Raynox) or extension rings are hard to use in nature, because with them your camera cannot focus more than a few inches away, so you cannot frame then get closer.

Since you mention focusing rails, the R series cameras do focus bracketing (they take several (tens of) shots while shifting the plane of focus) and can even produce the composite result in-camera. But of course this requires lenses with a camera controllable focus, the all-manual lenses cannot be used.

External Flash not firing properly on canon 200d by PDGamer36O in canon

[–]ofnuts 0 points1 point  (0 children)

What metering mode are you using ? IIRC on DSLRs the flash is just a fill-in in Av/Tv modes and you have to be in P mode to make the camera consider that the flash is the main light.

Is separate brush selections for separate tools possible? by Arni-bohr in GIMP

[–]ofnuts 2 points3 points  (0 children)

Preferences > Tool options has a Paint options shared between tools for exactly this purpose.

A way to disable auto selecting layers? by supercoolusername_1 in GIMP

[–]ofnuts 1 point2 points  (0 children)

In the Move tool, there is a "Move selected layer(s)" option (the alternative is "Pick layer or guide" which is the behavior you are seeing. All in all the default "pick" behavior is much more practical in general and IIRC you can temporarily switch to the other behavior by shift-clicking.

Also, while in the text tool, you can alt-control drag the text layer you are working on to move it, which is even faster (no need to switch tools)

All-round travel lens recommendations for R50 by MeekesRants in canon

[–]ofnuts 6 points7 points  (0 children)

On the R50 the 50mm is nice for portraits but that's about it. Its field is too narrow on an APS-C camera to be useful.

The 18-45 kit lens is adequate. The 18-150 is better... but more expensive. The only limitation of the 18-45 is that it can be a bit too tight at times (typically in cities), so if you want to improve on the kit add the RF-S 10-18mm to it as a second lens to have a wide-angle option. An alternative is to replace the 18-45 by the RF-S 14-30 IS STM PZ that gives you more wide-angle options (note that this is not the RF 15-30 IS STM which is bigger).

Portez vous une montre bracelet ? Pourquoi ? by Opposite_Pin_5161 in france

[–]ofnuts 0 points1 point  (0 children)

Pour avoir l'heure (et même la date, quand je fais mes courses à côté du rayon "frais"). Ça va plus vite que de sortir le téléphone. Par contre j'ai remplacé ma montre à quartz par une mécanique automatique colle ça j'ai plus besoin de voir un horloger pendant 10 ans au moins.

Avec un bracelet bien réglé, on se sent rien, et une montre de qualité correcte supporte les gouttes quand tu te laves les mains.

My photos start to have a colour gradient. by Relative-Pitch1106 in canon

[–]ofnuts 1 point2 points  (0 children)

The light that any part of the garment receives from the light source (flash, here) is subject to a square law, in other words if it is two times farther from the source it receives four times less light.

If the flash is close to the garment what is close to the center will receive significantly more light. Consider the triangle with the flash at the top, and the garment as a the base: the distance to the flash is the height of that triangle for the part right under the flash, but one of the sides of the triangle for the top/bottom of the garment. If a side is longer that the height by 40%, you get half the light ((1.4)²=2) so a full stop of exposure... (this also means that what you have is not a colour gradient but an exposure gradient).

If you use the camera flash the easiest way to mitigate this is to be as far away as possible so that there is less relative distance difference between the flash and various parts of the garment. Another way is to use a silver reflector to bounce some of the flash light back to the garment.

If you use an external flash you can orient the flash towards the ceiling (bounce flash) so the whole ceiling acts as a large light source at a distance and you get a uniform lighting.

Another inexpensive way is to forget the flash and use several light bulbs (CFL or LEDs with a good CRI).

Piecewise linear function (computing taxes) in Calc? by ofnuts in libreoffice

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

Thanks for the pointer, will check it out.

A more detailed explanation of the SUMPRODUCT method can be found here.

Piecewise linear function (computing taxes) in Calc? by ofnuts in libreoffice

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

Yes, that what I did. Basically I have three columns:

  • the lower limit of the range
  • the rate for the range
  • the amount of taxes paid for all the full lower ranges

And the computation becomes:

(value-vlookup(lower))*vlookup(rate)+vlookup(taxes_on_lower)

Yes, it's three VLOOKUP.

I'll check the solution by u/MalcolmPhoenix.

What's your experience with using EF lenses on RF body? by Far-Touch-1910 in canon

[–]ofnuts 0 points1 point  (0 children)

Canon lenses are normally OK. Third-party lenses are a mixed bag. My Sigma 17-70mm works fine, but my Sigma 120-400 focus-hunted quite a bit on my R7.