Threads

faustino · Feb 24, 2014

Many people claim that cropped sensors are actually better than full frame and larger sensors for macro applications.
Here is an example:
http://www.43rumors.com/micro-four-thirds-and-macro-photography-by-eugene-kitsios/

Their argument is that for macro photography DoF is the limiting factor. They say that to get the same DoF, the larger the sensor, the smaller the aperture needs to be, which would offsett the light gathering capacity of larger sensors.

As an example, if we compare full frame vs. 4/3 sensors:
- full frame is roughly four times larger than 4/3 (measuring the surface), thus has virtually a two stop advantage in terms of light gathering capacity;
- anyhow, if with four thirds sensor we need to close the aperture to f/8, then on a full frame sensor we would need to close the aperture at f16 to get the same DoF, thus loosing two stop of light (offsetting completely the larger sensor advantage).
I am not sure if the second point is correct. The comparison shall be done considering different lenses on the two systems:
- if we use a 50mm macro on the 4/3 sensor, for correct comparison (to get the same angle of view), a 100mm lens should be used on the full frame (I know there would be slight differences in the final image due to the different aspect ratio).

I am skeptical about the above argument, anyhow I am unable to tell why it would be wrong.
What do you think, is really a crop sensor better than full frame for macro photography? Or is the full frame better? In the latter case, can you explain why?

Thanks!
Fausto

slclick · Feb 24, 2014

I'd like to hear opinions on using a protective Clear filter, such as an B+W 58mm XS-Pro Clear MRC-Nano 007 Filter.

I'm not looking for the Pro filter/Anti Filter Lobbyists to chime in but the Macro shooing 'Your front element is dangerously close to stuff' group.

Then there's the hood. I have heard it's good for 'possibly' cutting down flare from the MT-24 EX. ???

I use filters on bushwhacking lenses, on my Macro 100 and in inclement weather. FWIW

Thanks!

tomscott · Feb 24, 2014

Has the 100D/SL1 been discontinued already 11 months after release?

At the moment its current status is discontinued on digital rev. Has the 1200D replaced it?

http://www.digitalrev.com/product/canon-eos-100d-with-ef/MTAwMjU2OA_A_A

edurieux · Feb 24, 2014

Hi everyone,

I'm looking for a lens to do some landscape photography while hiking. I need something very lightweight since I'll use it during hikes of more than 7 days.

My gear currently :
- Canon 6D
- Canon 50mm 1.8
- Canon 24-105L

I saw the 28mm f1.8, and maybe the 24mm f1.4 from Rokinon.
My budget is under 800$, not enough for a 16-35mm ...

What do you think about these lenses ?

bdunbar79 · Feb 24, 2014

He posed the following questions. We would really appreciate any help!

Although I haven't had time do more than minimal processing, I'm pretty pleased with the results and with the camera in general. I'm puzzled by two issues - probably due to lack of knowledge about the camera settings. I've searched through the manual without success. Perhaps you know where these functions can be found.

1. I get no audible beeps for either of the self timer functions. I often use the 2 sec self timer for long lens tripod shots in lieu of the remote cable release. But the camera doesn't give me the audible tones I'm used to as it counts down.

2. I often shoot with spot metering in manual mode to give me full control over changing conditions. But the top-side display doesn't provide active meter readings in "M" mode regardless which meter mode I select. The viewfinder DOES provide a meter reading that changes with the lighting but neither the top-side display nor the live view display show active meter readings.

TomazK · Feb 24, 2014

Hey guys,

didn't know where to exactly post this but here it goes

I'm going to Sri Lanka in April/May and plan to shoot a lot. We won't be going to resorts and such but more to look at temples, a nice beach or two, the cities, tea pickers, we will be going to Adams Peak and to a Natural Reserve to check out some wildlife.

My plan is to take some nice landscape and people shoots as well as usual stuff.

Do you have some good recommendations on what to bring? (Lenses, Bag, other stuff?)

Thanx

T

Diko · Feb 24, 2014

Most probable and IMO well expected move from Canon is to move out of cheap (under $200) cameras due to the ever increasing market share of the phone cameras.

According to digicame-info.com Fujifilm,Olympus, Panasonic, Casio are also considering that.

As a trend below is an estimate of DSLR and DSC market shrinking with huge 15% in just 5 years:

Picture source: image-sensors-world.blogspot.com

Jeffbridge · Feb 24, 2014

What makes this photograph worth $4,338,500 (other than the obvious fact someone was prepared to pay that amount for it)?

smozes · Feb 23, 2014

What is the typical PR dynamic with Canon releases? It's been very quiet, barely a few sample photos or hands-on. Will these show up just before dealers receive them? Getting a little obsessed here.

whitedjp · Feb 23, 2014

Hi all,

This is my first post on a forum ever haha. I am a hobbyist photographer in university who until recently has been shooting as a volunteer for the school newspaper. I have been thinking about a serious upgrade for my t2i for 2 years now (i have been shooting for 3 years) and have been saving accordingly. I currently own the 18-55 EFS, the canon 24-105L and a sigma 50mm 1.4. I have been trying to shoot 8-10 hours of sports a week in order to practice and mentally justify an upgrade. Generally I have been using the school's equipment (canon 7d and 70-200 marki) but have experience using the 5d3, d800e, nikon d4, and the canon 1dx for our championship events.

What sparked my decision to upgrade is the fact that i have been offered numerous opportunities to become a paid photographer for our newspaper and shoot paid events for clubs on the side. I also have hopes to travel after completing my degree, in which i hope to be able to photograph the trip using the gear that i acquire in my last years at university. Because of this, I believe that i can't keep using the school's equipment and i should get my own.

Therefore i need my camera to have quick autofocus for fast moving subjects and a high frame rate for capturing the action. I also regularly shoot portraits for friends but not for money. I am fortunate enough to say that money isn't as big of an issue, i am looking to spend around 5000$ and with the opportunity to get a paid position, i can say that the money earned there will mostly be also funnelled into camera gear as well. Even if i wasnt shooting for money, I would still be out shooting sports just as much

As a young aspiring amateur photographer, I am looking for advice/comments about how to spend my savings (on either lens/camera) and which camera would be appropriate for my needs. I have done much research on my own but i am very interested to hear from other hobbyists/pros about their take on their gear.

Thanks so much,

Jon

drjlo · Feb 23, 2014

Anybody using the Sony/Zeiss FE 55mm lens yet?

DXO testing shows results very close to the Otus 55 mm, in fact second best for any lens behind Otus and the best audiofocus lens DXO has every tested. I should receive one soon along with A7R; I just hope all the ergonomic issues, Sony-specific software/hardware issues don't make me regret buying that combo to use alongside my 5D III.

http://petapixel.com/2014/01/30/dxomark-rates-zeiss-55mm-fe-sony-a7a7r-best-autofocus-lens-ever/

Hillsilly · Feb 22, 2014

Apart from ink longevity, is there a compelling reason to choose the Pixma Pro 10 or Pro 1 over the Pro 100? I only print a dozen photos per month, with many in B&W if that makes a difference.

(With the recent rebates, there are numerous printers appearing on eBay - buying one for around $200 and paying $140 for postage still works out to be half the price that I'd normally pay for a new one here in Australia.)

Khufu · Feb 22, 2014

Has it ever been rumored for their to be prototypes in testing of what would essentially be a physical 1.6x crop of a FF sensor, allowing the ISO capabilities of the 6D/5D3 in, say, an EOS M or xxD body?

I'd love me an EOS M with 6-9 megapixels of low light goodness!

Thoughts?

Would this be stupid-expensive to develop? I can imagine the right advertising campaign could sell the concept of fewer pixels for low light, arty, shallow DoF shooting with the 22mm f/2 with results that're still 2-4x larger than necessary for Facebook

bobby samat · Feb 22, 2014

i'm looking for a camera bag that has just enough room to hold a 5d without a grip and two lenses - 17 & 24mm tse's. one of the lenses would be mounted while the other would not.

shoulder bags and slings are primarily what i'm looking at - not a backpack.

any suggestions would be greatly appreciated.

lastcoyote · Feb 22, 2014

Ok this ones strange.
Just been adjusting the AFMA for my canon 50 f1.4 on my 5D III.
I've found that I have to set it to around +15 when aperture is wider than f4 and particularly when shooting at medium to far distances. But if aperture is f4 or narrower and particularly when subject is at close distances it's best left at around +5.

Anyone experienced similar?

All my other lenses AFMA settings are unaffected by aperture changes.

Steve Todd · Feb 22, 2014

Use this link to download Canon's new 4"x5" flipbook for the 1DX:

Sorry, here's a better link: The PDF is at the bottom of the page.

http://www.learn.usa.canon.com/resources/articles/2013/eos1dx_firmware_upgrade.shtml?cm_mmc=EM-_-EO-_-140203-_-Firmware&WT.mc_id=EM1402EO03004&RID=1-G3KRH5&CON=1-CDC-179&PRO=&CID=1-G3AJD5

New photos and simplified explanation of new features contained in the recent firmware 2.0.3 release.

J.R. · Feb 22, 2014

Hi CR folks,

I've found that my lenses are sharper on FF as compared to APS-C cameras ... This is particularly true for the 100-400L and the 50 f/1.4. Is it because the FF is more forgiving and the higher pixel density of the APS-C highlights the problems of the lenses more? Just curious ...

Cheers and a happy weekend ... J.R.

bonycnt9 · Feb 22, 2014

Hi!
I have made that review and MTF's comparising the Tamron 150-600 with Canon 100-400 using the Canon 7D.

Tamron 150-600 vs Canon 100-400 MTF por Xavi Bonilla, en Flickr

I'm sure that this measurements have some error, because I haven't the necessary tools to make that test exactly correct. But I hope it will help us.

grahamclarkphoto · Feb 22, 2014

One of the most exciting things about a camera that has a short focal flange distance is that nearly any 35mm lens ever made will work. I decided to start out by trying my Canon FL, Canon FD and Nikon Kogaku lenses first, and my first results with my Canon FL 50mm 1.8 was astounding at this medium format resolution range. Note all the images below are unsharpened RAW.

Take a look:

San Francisco Skyline from Treasure Island | 97s - F11 - ISO 80 | Canon FL 50mm 1.8 (1964 – 1971)

Take a look at the 100% crop of the bridge detail:

Sony-A7R-with-Canon-FL-50mm-1.8-100-percent-bridge-crop.jpg

Take a look for yourself and download the RAW file (.ARW), the original TIFF16BIT (200MB+) and the hi/low-res JPEGs directly by clicking here: https://app.box.com/s/03vu6r4c05d6q4v5550a

There's a bit of flare here on the originals that you may not find on modern lenses, however my real interest in these lenses will be black and white street photography, not landscape. Just wanted to test these on something of such extreme detail before my street photography photography meetup tomorrow in San Francisco's Chinatown.

Huge win on sharpness and corner detail, completely shocked me even on playback of image on the camera, but even more so on a 27" Thunderbolt. Will post back here with images from the Streets of Chinatown in B&W (http://www.meetup.com/Landscape-Photography-SF/events/167445242/) tomorrow sometime.

Graham

Rienzphotoz · Feb 22, 2014

Over at nikonrumors, and a few other forums, report problems with water leakage in Nikon 1 AW 1 (underwater mirrorless camera), which was launched on September 19, 2013.

According to one of the customers, digitalrev has cancelled his order of Nikon 1 AW 1 saying that the 1AW1 has been "discontinued by the manufacturer".

Some say it is true, some say it is not true, but the fact remains that it has been in "Back ordered" status with almost all of the biggest authorized sellers (e.g. B&H, Adorama, Amazon etc) for a very long time.

Considering the QC issues Nikon has had, with their SB 900 speedlite & D600 camera, maybe they are trying to nip this in the bud as quietly as they can. Sad really to see a top camera manufacturer losing their reputation like this, due to avoidable mistakes.

davet4 · Feb 22, 2014

I need help! Spring is in the air and I am coming down with GAS, I am spending to much time looking at lens reviews....how can I rid myself of this affliction?..?

ahsanford · Feb 21, 2014

Just spotted this hands-on video with the new Sigma 50 at CP+ here:

Sigma 50mm F1.4 DG HSM | ART

Not too much going on, but he has a host of side-by-side comparisons for diameter and length.

No news on pricing. :

- A

7enderbender · Feb 21, 2014

I don't think it can be done but is there any easy way to move all my camera and menu settings from my 5DII to a second (rented) body via software (Canon or otherwise) and then do a reset to factory after?

Thanks

Canon Rumors · Feb 21, 2014

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<p>We’ve been told by two people that the goal at Sigma is to have the new Sigma 50mm f/1.4 Art series lens to retailers around mid to late April of 2014. No official release date has been given to any of Sigma’s distributors as of yet.</p>
<p>Official pricing is expected in late March/early April along with a followup announcement with specifications, sample images and some additional marketing.</p>
<p>At this time the April goal is just that, a goal. There’s always a risk that ample production won’t be ready by then.</p>
<p>One piece of good news is that the Canon mount version of this lens will be the first to be released (along with the Sigma mount I imagine).</p>
<p><strong><span style="color: #ff0000;">c</span>r</strong></p>

Canon Rumors · Feb 21, 2014

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<p>We’ve had a couple of communications saying that Canon will announce the replacement to the EOS 7D some time in late March. We’ve had nothing from the usual sources as of yet, and it’s tough to tell whether or not it’s reported rumors fuelling speculation, or the speculation fuelling the reported rumors. It’s the usual chicken and the egg thing.</p>
<p>There hasn’t been much information about specifications for such a camera, and I’m sure Canon will have a massive marketing campaign behind it. If we don’t hear something a bit more concrete soon, I wouldn’t put much stock in the March announcement speculation.</p>
<p>Yesterday we were shown that Canon plans to update the Pixma Pro printers in the near future, those generally get announced with a DSLR, so that’s a positive sign in the right direction.</p>
<p>More to come…</p>
<p><strong><span style="color: #ff0000;">c</span>r</strong></p>

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