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This is the excellent USB power pack I use when I travel.

2 x 2.1amp outputs. 8400mAh capacity.

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What SD CARD should I buy?

If you want an SD Card for your camera - these are the ones I use and recommend. 

I'd strongly recommend not to buy any SD cards off ebay - I've heard about too many issues with counterfeit cards - often sold on by unwitting resellers. My inbox regularly gets messages from people who bought a £150 camera then cheaped out and bought a £3 memory card on ebay - Then when it doesn't worth they blame the camera! It doesn't make any sense. Good memory is cheaper than it's ever been - see the links above.

A lot of HD cameras will not work properly with cards larger than 32GB (cards over 32GB are usually SDXC rather than the SDHC standard used by 32GB cards. SDXC cards use the ex-FAT system rather than FAT32 - in short they are a different standard). - so don't just buy the biggest card you can afford - read the specs in the manual to see what it accepts.

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CLASS 10 UHS-1 CARDS (For HD Cameras)

 

U3 CARD (For 4K cameras)

 

 

SPECIAL DASHCAM CARDS

The SD card in a dashcam is re-written over, more frequently than in other types of cameras. Some manufacturers void their guarantee if an SD card was used in a dashcam. So, no surprise, there are special High Endurance SD cards made just for dashcams...here's some.

 

VERY IMPORTANT. These links take you to the product, however Amazon have three different ways of selling. There's Amazon Direct - This means that you are only dealing with Amazon themselves, then there's other sellers that use Amazon's facilities - these show as Fulfilled By Amazon and finally there's Market Place sellers that advertise on Amazon, but operate independently.  I strongly recommend that you only use the first...the Amazon Direct - Sold By Amazon option. Even if it appears that you are paying a couple of £/$ more it is more than likely you are comparing the price of a real item against the price of a fake.

To give you an idea of the extent of the fake goods problem. In a 2016 survey by Apple - 90% of the 'Apple' chargers sold through Amazon - using the other the two methods..which includes the "Fulfilled by Amazon" option -  were found to be counterfeit....90%! 

            

 
« Vico Marcus 4 Cinemascope Dash-Cam REVIEW | Main | This is not the WiFi SJ4000....It's the AT200 Review »
Saturday
Sep132014

Ironing out the kinks in using a green screen effect.

I have a plan to make a video that will require a green screen effect at some point in the future, so I thought I'll see if I can figure out how to get the technique to work now and hopefully 'iron out any kinks' before I need to use this for real. Watch the video below to see how I get on.

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Reader Comments (18)

Still got some green reflections off your skin (cheeks, but most notably the fingers), other than that looks quite good.

September 14, 2014 | Unregistered CommenterMikk36

Hi Mat, this one is right up my street, love the effect, good to see you as well as hear you too.

I haven't got a Mac but have Sony Vegas on the PC so will check if this has something similar, but it does looks fairly straightforward in iMovie.

Great work...keep them coming...

Daz

September 14, 2014 | Unregistered CommenterDaz

Matt, you need a lapel mike, you sound like your in a tin box.

September 14, 2014 | Unregistered Commenterdrozd

I mention mics in the video.

September 14, 2014 | Registered CommenterTechmoan

Everyone's a critic! Seriously, guys, I thought Mat made a pretty good fist of this given that it was his first attempt. No doubt future reviews will have these effects included, and Mat will learn as he goes along. I say Well Done Mat, keep up the good work.

September 14, 2014 | Unregistered CommenterQuaser

If you're planning on doing more to-camera presentation then you may wish to consider discreet make-up, depending on how you have your lighting positioned. Skin is naturally shiny, but make-up can help deal with that by making your skin, er, matt, Mat.

September 15, 2014 | Unregistered CommenterAlex

Looks good for a dead guy.

September 15, 2014 | Unregistered CommenterChris

Hi! I don't know why, but I enjoy every video you make.

It's funny to read the comments, here and on Youtube. As someone said everybody is a critic.

I like the sound, I don't think you need any makeup, and even if there is a little green tint on the nail of your left thumb...well I won't see it for sure... I will be enjoying your videos.

Keep up the good job, and give every comment the relevance its deserves.

September 16, 2014 | Unregistered CommenterCalvinH

Nice job and video, you picked a good backdrop: Stockholom... ;)

September 20, 2014 | Unregistered CommenterMatte

That was very good for a first try. I really like how you maintain eye contact with the camera, you speak continuously without 'um's and 'uh's, and your head maintains a constant position. Someone will eventually recommend that you put on some make-up to make your skin look darker but I've always thought the appearance of most TV hosts is unnatural, so I hope you will resist that urge and appear natural as you do now.

September 22, 2014 | Unregistered CommenterJohn

Matt, if you mentioned this I somehow missed it, what video camera did you use?
I know for the best chroma-key you need good color purity.
Thanks, I love your reviews!

~Lash

September 23, 2014 | Unregistered CommenterLash

I'm using a Sony RX10. I don't plan on using the green screen again though.

September 23, 2014 | Registered CommenterTechmoan

Hi Matt! This is great. You should show some more practic tips of using IMovie. This is simple soft, but for my is still too dificoult to use :)

Do You edit all Your videos in iMovie ?

Sorry for my English :)

All the best for You.

Vadim

October 25, 2014 | Unregistered CommenterVadim Pacajev

Yes - all my videos are edited in iMovie - I don't plan on doing any more how-to videos as there are far too many people who complain about the way I do things to make it worthwhile for me to make any more (I prefer to do things that make me happy). A hundred people telling you how you did something wrong is enough reason for me not to bother doing this again. (look at the youtube comments for this video if you want to see what I mean).

October 25, 2014 | Registered CommenterTechmoan

OK, I understand. Thank You anyway for answer.
I can only say that your videos are great for me (I'm also big fan of dashcams), and Your voice and the way as You tell the stories I great for me to listening and learn good English.

I know a few English guys , and they speak very vaguely, using shortcuts, very quickly, and sometimes I can not understand them . Your voice is just perfect to learn English :)

Thanks once again and Have a Good Day!

Vadim

October 26, 2014 | Unregistered CommenterVadim Pacajev

Hi
Having done quite a bit of green screen work in the past I can give you some advice.

The screen should be as flat as possible. Professional green screens are made of heavy and dull fabric. But you should at least iron yours.

Use flat lighting for the screen. You can achieve this by having 2 soft lamps at a 45 degree angle from the screen on each side. If you have a camera with zebras to show you the exposure, set them to 70% and make sure the screen is at this level. Or use a light meter (There is now an app for that)

Stand as far away from the screen as possible. This is so that light reflecting off of the screen doesn't hit you. If you can, use a backlight above the screen.

Make sure all of the foreground is in focus. You need sharp edges to do have a clean separation.

Modern software can key just about anything. Blackmagic Fusion just became free software (We paid 5000$ for it) and does an amazing job.

January 3, 2015 | Unregistered CommenterSimon

Hi Techmoan, great video you mentioned that monitor's price and that you purchased it from Amazon, however you never mentioned the Make and Model, I have been looking for a monitor like that for a while, if it is not too much trouble, could you post it here? thank you.

July 12, 2015 | Unregistered Commenteraxel

Here's a link to the monitor. I like it because it's one if the few small monitors that I've found with HDMI in.
http://amzn.to/1uuHMGk

July 12, 2015 | Registered CommenterTechmoan

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