Posts

scyrene · Jun 28, 2025

My maximum back in the day was EF 1.4 + EF 2 II + EF 2x III + Kenko 2x. Took me to 5600mm which could just about resolve surface features on Mars.

dcm · Jun 27, 2025

Michael Clark said:
I used the ASA dial for meter calibration compensation on some of my film cameras (because that's what 'exposure compensation' really is with a film camera) if I was pushing the entire roll of film, but generally just adjusted Tv or Av so the meter was showing +1 or -1/2 or whatever for specific lighting situations like back lighting. One reason I didn't like to move the ASA dial to do meter calibration compensation is I would forget to change it back after shooting with the needed compensation, then turning to shoot at a different angle from the sun or other light. But then I typically shot manual exposure in tricky lighting situations. Still do.

I've done a lot of theatrical and concert work under theatrical lighting. Sometimes in fairly steady lighting, sometimes in constantly changing lighting. It all depends on the lighting designer of the show or concert. These days I tend to shoot theatrical productions at dress rehearsals, so I have complete freedom of movement, both in audience areas and off stage to either side. Concerts are live.

View attachment 224829

View attachment 224827

View attachment 224825 View attachment 224826

I goofed the exposure compensation a few times over the years, but not more than any of the other goofs I managed in the film days.

I do like exposure simulation in digital cameras along with the ability to view the settings and histogram through the view finder. It helps alert you to problems early.

@mimbu · Jun 26, 2025

MikeGalos said:
Those old conspiracy theories are, frankly, garbage.

So is this new one by @mimbu and the fact that he cannot produce any evidence to back up his claim is telling. But some people like to attach their tinfoil hats to their heads with cyanoacrylates.

David_B · Jun 26, 2025

Apple Just Patented an Image Sensor With 20 Stops of Dynamic Range - Y.M.Cinema Magazine

Apple’s new patent reveals a stacked image sensor with 20 stops of dynamic range and on-chip noise correction.

ymcinema.com

All your shadows and highlights will belong to Apple!

Key items from story:
* dynamic range of 120dB (almost 20 stops)
* stacked sensor with low noise
* Lateral Overflow Integration Capacitor
* Built in noise-sensing circuitry
* 3 transistor pixel design

mimbu · Jun 26, 2025

koenkooi said:
Has Sigma actually announced the 12/1.4? I can only find it here and SAR...

Not yet. There are leaked images but Sigma postponed the release for unknown reasons.

tothandris · Jun 24, 2025

I have attached the same pictures twice. So the first three pictures are when IBIS was OFF and the second three are when IBIS was ON. The OFF versions are less blurry.

dcisive · Jun 23, 2025

I happen to like ON1 for some things so nothing against them. BUT their NR is without a doubt NOT the best in particular above ISO6400 to be sure. DXO runs all over them as far as detail retention and banishing noise altogether even at ISO52000. I've run too many tests above ISO6400 to not be saying this. Topaz Photo AI is also remarkable at banishing grain as well and tends to do a rather good job at keeping detail as long as you manipulate their sliders. As for over sharpening in DXO that comes ONLY when you don't bother to work with the adjustments. Sorry but there's NO way ON1 noise reduction is all that competent above ISO6400 if one goes there. So many other good things about ON1 however. I actually work with it as a preference when doing my portrait work. For landscapes and items of high detail DXO is THE go to. With Topaz a reasonably close 2nd

Adam Shutter Bug · Jun 23, 2025

Really hope so, would actually lead to me getting a second body for wildlife. Can do a remote setup near hides and perches. Add auto capture with animal eye af and I could do a setup and go for a coffee haha.

Adam Shutter Bug · Jun 23, 2025

I think the biggest issue with the R1 is the R3. If the later had not been made I think more people would have been wowed by it. I think Canon have got a problem though in they need to get away from the old philosophy of the DSLR era where lower megapixel to prioritise fire rate and R-WR speed. Nikon and Sony have shown you can move away from this thinking.
I do disagree with the notion the Sony A9iii has better AF.
The last time I tried the R1 the AF was ridiculous, it would not let go of subjects. The one area I hope this goes further is wildlife especially with those in trees/bushes etc to control losing focus on to branches etc.
I have high hopes we may get a high MP version more aimed at wildlife shooters at some point. I do hope they steal with pride from Nikon on the sensor cover and ditching the mechanical shutter.

candyman · Jun 23, 2025

koenkooi said:
You can check which mode the camera is using in the EVF:
No shaky hand icon: no IS
Shaky hand icon: one form of IS
Shaky hand with plus sign: IBIS+IS

Thanks for the clarification. I've been going through this with the RF28, the RF24-105, the TS-E 24 f/3.5 II and the EF100 f/2 and the 70-200 f/4 IS II. I don't have any third party lenses.

scyrene · Jun 20, 2025

scyrene said:
Funny how people who say ridiculous/silly/nonsensical things are so thin-skinned

I rest my case

David_B · Jun 20, 2025

Do you need a DSLR to drive an EF lens?
Or even a camera?
No...
Canon EF/EF-S lenses, meet Raspberry Pi!

Raspberry Pi HQ camera gets adapter for Canon EF/EF-S lenses used with DSLR cameras - CNX Software

Pinefeat has designed an EF/EF-S lens controller and adapter for the Raspberry Pi HQ Camera, compatible with Canon lenses, and implementing full

www.cnx-software.com

Diko · Jun 19, 2025

dochawk said:
Which battery are you using? We found the speed improved dramatically using the P over the N.

I am using the original P only.

FleetingMoments · Jun 18, 2025

I’m considering one of these brands for their snappy convenience—any thoughts on which is best? Right now, the NiSi system is standing out for me. It looks ideal for landscape work, especially since it lets you snap on 100mm graduated ND filters while also combining them with their circular filters. From what I can tell, Kase doesn’t offer quite the same level of flexibility with that setup.

ssaibal · Jun 14, 2025

Avulus said:
Hi ssaibal
View attachment 224588

I have tried the RF70-200mm F2.8 L IS USM Z + EXTENDER RF2x combined with R5 and R5II.

I was quite pleased with results. Here is one example of wiildlide photos. (this was taken with R5).

Excellent shot! Love the details. I think I will pitch for this lens soon. I was on a fishing boat shooting pelagic birds off the island of Pucusana in Peru today and I realized that I wasn't going full 500 end on my 100-500 as it is difficult to keep the subject in the frame in a choppy boat. And in an overcast weather like the one we had today, I would be better off with a faster lens. I already have the 1.4x TC on my 400mm lens which I could switch to the 70-200 when needed and still get f4.

neonlight · Jun 12, 2025

neuroanatomist said:
Sorry, what does not compute is your understanding of patents. "Image Height" is not the vertical dimension of the image sensor, but rather it is one-half of the diameter of the image circle. The minimum diameter* of the image circle for a given format is the diagonal measure of the sensor. Plug 24mm and 36mm into the Pythagorean Theorem and you get 43.26mm, divide that by two, and you get...21.63mm. So yes, that's a full frame design.

*Note that for lenses requiring/forcing digital correction of geometric distortion, the image height can be slightly smaller than half of the sensor diagonal, because distortion correction will 'stretch' the final image to cover the corners of the sensor.

Thanks for clarification. Though if I'd read the patent I would have seen that.

Del Paso · Jun 12, 2025

EricN said:
After RF 35mm F1.2L, according to my tea leaves, but my entrails say, at the same time as High resolution R5.

I didn't know you had already performed seppuku. Was it painful? More than missing the RF 1,2/35?

ignaciodenuevo · Jun 12, 2025

Good morning, I want to buy the Canon SELPHY QX20 and I want to know if from the SELPHY Photo Layout application it is possible to print in 3:2 format without cropping or resizing. I have an EOS R10 camera and I want to be able to print my photos without losing part of it as it happens in the Instax.

The only thing that keeps me from buying it is the inability to find that my photos won't be resized or cropped when printed.

Thanks!

Chig · Jun 11, 2025

Seems unnecessary to me, can't see rain getting past O rings as these can keep oil inside hydraulics at 7000 psi although salt and sand can be a problem but I just use a raincover in bad conditions especially when I'm lying in the mud at an estuary and that works even for non weather resistant gear

DhlcadR6 · Jun 10, 2025

AlanF said:
You can get shutter shock with both mechanical and EFCS at lower shutter speeds - yes, even with EFCS in bursts because of the closing of the shutter can shock the next frame! So, I use ES for slower speeds and for fast as well when there is no problem with rolling shutter. For action at fast speeds, there is no rolling shutter or shutter shock for mechanical and EFCS. Like many pieces of kit, there are workarounds to get the best out of it.

The shutter shock is overblown, especially after the firmware update. Sometimes I forgot to switch back to ES, EFCS/mechanical slower than 1/500 won't hurt the image.

quiquae · Jun 10, 2025

This patent appears to be mainly about implementations of non-extending 70-200F4 for FF, with the APS-C 18-50 implementation being just an incidental output. The reason it's so long for what it does is because it is (amazingly enough) a derivative of a 70-400F4 lens layout. You can sense its telephoto origins in the convex front element: all standard zoom lenses I've ever seen use concave front elements.

My take is that it is bloody unlikely that this 18-50 will ever come to light. A non-extending 70-200F4 is more likely, as that is clearly what they're trying to develop here.

TexPhoto · Jun 9, 2025

A baller move from Canon right now would be to produce an RF 35mm film body.

DhlcadR6 · Jun 9, 2025

I guess it's a cheap Toy when you have Fuji in comparison

EricN · Jun 8, 2025

Del Paso said:
Sooner or later, they will adapt their prices like most Japanese companies. I'm still hoping only for the US market...

Don't worry, I've already sacrificed goats and read their entrails to increase our chances from zero percent to one whole percent!

dcm · Jun 7, 2025

Found a few threads about this on Google. Here's the simplest version from Reddit.

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