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Posts for: margaretnewell
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Apr 8, 2022 05:58:08   #
(Main Photography Discussion)
Windows vs. Apple "failure to communicate" problem. (File vs. Photo)
I am a Mac user. For our camera club submissions we resize our photos to 1920 on the long side and 1080 on the short side, this is equivalent to 16x9. I use PS but am sure it is possible in LR, go to “image” and click on image size and make your changes there, then save as a copy and choose JPEG, when the next dialog box pops up make sure your image is 2mb or less, if it is greater move the slider from 12 down until you get a suitable size. This will not degrade the quality of your image. When you wish to email the image, initiate the email first and then add as an attachment and keep as actual size. Hope this helps.
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Feb 26, 2022 05:33:13   #
(Main Photography Discussion)
Is it time to replace my iMac?
I had exactly the same problem. I had someone install an ssd drive and the problem went away instantly. I also now store all my photos on external hard drives.
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May 22, 2021 08:10:25   #
(Main Photography Discussion)
Help with Photoshop CC
If you go to Adobe.com, make sure to select your country and look for the phone number for a real time chat and if necessary a screen share. I have always found them very helpful. Perhaps you are not looking in the right place. I live in South Africa and times for phoning are for my time zone not USA.
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Mar 16, 2021 07:47:25   #
(Main Photography Discussion)
Downloading RAW Images
I also have had issues with CR.3 files on my iMac and MacBook. I like to store my current images in a file on my desktop while working on them. For some odd reason if I have Photoshop open there are times when the files appear totally black. The files always open in Adobe Bridge or Canon’s own software. I have never found anyone who is able to solve this odd situation. So I would be most interested to know if a solution is found. My camera is the older original R.
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Feb 9, 2021 07:06:29   #
(Main Photography Discussion)
Conversion of an old jpg file?
This might be useful information. If you have the Photographers package for Photoshop CC which is bundled with Camera Raw, you can open a jpeg and it should open directly into Camera Raw or if it opens into Photoshop you can then go to the filter tab and open Camera Raw from there. Either way the image will still be recorded as a jpeg but all the Camera Raw editing tools will be available.
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Dec 3, 2020 09:37:51   #
(Main Photography Discussion)
Equipment fro Africa
Bobc163 wrote:
Hi everyone,
Well having now made the commitment to travel to Africa next August I have started to sort and weigh everything to take
List as follows with weight I am allowed 7kg carry on and 30kg check in

Equipment Weight
Back pack Pro trel 400AW 3.9
5DMk3 0.9
5DMK4 0.9
6 Batteries 0.4
100-400 1.8
70-200 1.9
24-70 0.9
24-105 0.9
16-35 0.9
50 0.8
2X 0.3
Tripod 3.6
Laptop and Charger 3.1
hard drives 0.8
Accessories 3.8
Total to date 24.9Kg


I am open to suggestions, some of the above like tripod and some accessories will be in checked luggage to lower the carry on
Countries I am going to are Botswana, Kenya, Malawi, Namibia, South Africa, Tanzania, Uganda, Zambia, Zimbabwe and the UAE for 68 days so I will be travelling overlanding style (camping most nights with some hotels mixed in)

Thanks in advance
Bob
Hi everyone, br Well having now made the commitmen... (show quote)


It depends so much on what you are planning to photograph, but I would highly recommend taking all 6 batteries - if you are camping you may not have access to electricity everyday! I live in Africa so speak from experience.
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Nov 6, 2020 13:59:51   #
(Main Photography Discussion)
Rf 85mm macro lens
bleirer wrote:
I think right now the best 1:1 macro is the Canon EF 100mm f/2.8L IS USM Macro, so you would need the adaptor. You might start a new thread 'best rf mount 1:1 macro' to get some advice. This can be found used for a relative bargain at places like keh.com.


Thank you for your advice. I do have the adaptor. I live in South Africa where unfortunately the used market is very small.
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Nov 6, 2020 13:54:55   #
(Main Photography Discussion)
Rf 85mm macro lens
amfoto1 wrote:
This is true... some people insist that only lenses that can do full 1:1 are actual "macro" lenses. But the term has never really been defined and has been wildly abused over the years by many manufacturers. There have been quite a few "macro" lenses over the years that "only" got to 1:2 or half life size. There have also been a lot of zooms that really abused the term, fell short of 1:4 (one quarter life size or 0.25X) or even less magnification, yet were labeled "macro". 1:2, half life size or 0.50X magnification.... whatever you want to call it... really isn't bad.

There is a strongly rumored Canon RF 100mm f/2.8L IS USM Macro lens on the roadmap for next year... which will no doubt be able to do full 1:1 (as do both the EF versions). While now only a rumor and nothing official, I'd be surprised if Canon didn't introduce this lens in the near future.

Canon currently or relatively recently has at least 7 lenses that are 1:2 or not quite 1:1, that are called or labelled "macro":

EF 50mm f/2.5 "Compact Macro"... 1:2 or 0.50X (discontinued)
EF 24-70mm f/4L IS USM.... 0.70X
TS-E 50mm f/2.8 Tilt-Shift... 0.50X
TS-E 90mm f/2.8 II Tilt-Shift... 0.50X
TS-E 135mm f/4L Tilt-Shift... 0.50X
RF 35mm f/1.8 IS STM... 0.50X
and of course the new RF 85mm f/2 IS STM

1:2 macro lenses were quite common in the past. I use a vintage Tamron 90mm adapted for use on a mirrorless that's 1:2. I've had them in various other vintage systems too. One of the cleverest ones is a Konica Hexanon 55mm with a matched extension tube. Used by itself the lens is 1:2 with the magnification marked on the top. When it's installed on the extension tube to be able to do full 1:1, the lens is turned upside down, which positions an entirely different set of magnifications on top.

Full 1:1/life size/1.0X or higher Canon lenses include:

EF-S 60mm f/2.8 USM.... 1.0X
EF 100mm f/2.8 USM.... 1.0X
EF 100mm f/2.8L IS USM... 1.0X
EF 180mm f/3.5L USM... 1.0X
MP-E 65mm f/2.8... 5.0X (min. 1.0X)
EF-M 28mm f/3.5 IS STM... 1.2X

Any of the above EF/EF-S or MP-E or TS-E lenses can be used on an RF mount camera, via an adapter.

If it were me (it's not... yet) I might buy the RF 85mm f/2 for general use and call it's close-up ability is a bonus that can be increased by putting a simple extension tube behind it. (https://www.bhphotovideo.com/c/search?Ntt=extension+tube+canon+RF&N=0&InitialSearch=yes&sts=ma&typedValue=&Top+Nav-Search=)
This is true... some people insist that only lense... (show quote)


Thank you for all the time you have spent replying to my query. I really appreciate all the information you have supplied, it helps making the correct decision to get the right lens for the right job. I’m currently lying in a hospital bed and won’t be doing much photography until April next year so I’ll wait to see what Canon brings out in the next couple of months. Needless to say this is the time to do all the research.
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Nov 6, 2020 13:38:55   #
(Main Photography Discussion)
Rf 85mm macro lens
xt2 wrote:
Nice "short telephoto" lens, which may work well for you if you are not using it for small insects, bees but larger subjects like flowering plants. Nothing replaces a true 1:1 Macro, not even extension tubes. However, the price is usually quite a bit less as expected. Always a trade-off...

Cheers!


Thank you. Decision made, if it had been 1:1 I would have been very happy to purchase, as the 85mm and being rf where perfect for me. I’ll have to wait for Canon to bring out a 1:1 rf macro.
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Nov 6, 2020 09:57:23   #
(Main Photography Discussion)
Rf 85mm macro lens
Blurryeyed wrote:
I don't know anything about the RF 85mm macro, but based on the 1:2 size it is not actually what many would consider a Macro lens, it would make a great closeup lens and that is a really popular focal length for portrait lenses, and with the f/2 aperture that is wide enough to get those creamy backgrounds that make portraits nice.


Thank you for your input. I will look at getting a 1:1.
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Nov 6, 2020 09:54:45   #
(Main Photography Discussion)
Rf 85mm macro lens
bleirer wrote:
I learned here recently that there is no free lunch as far as depth of field when it comes to shooting at 1:2 and cropping to make it look like 1:1. Apparently you take the same hit on depth of field either way.


Thank you for your input. I’ll look into getting a 1:1.
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Nov 6, 2020 09:53:09   #
(Main Photography Discussion)
Rf 85mm macro lens
bleirer wrote:
It will be good for flowers, but not for tiny things like insects. Something that is one inch in the world will be .5 inch on your sensor. Extension tubes can increase it a little but even 25mm of extension will only get you from the .5x you have to about .8x. A 1:1 macro will be 1x. Mostly just think of it as a short telephoto with a bit of close up capability.


Thank you for your input. I will look for a 1:1 as I want the full macro effect.
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Nov 5, 2020 06:23:02   #
(Main Photography Discussion)
Rf 85mm macro lens
Thanks for that.
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Nov 5, 2020 06:22:24   #
(Main Photography Discussion)
Rf 85mm macro lens
Thanks for your response.
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Nov 5, 2020 04:59:49   #
(Main Photography Discussion)
Rf 85mm macro lens
I see this lens is about to be released. This is only 1:2 not 1:1. I’ve not had a macro lens before, is this an issue?
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