Q&A #18 | PPN | How many megapixels are enough, why not rely on the histogram, and what online print service to use?

PPN.fm - Photo Podcast Network

Q&A about how many megapixels are enough for printing, why not rely on the histogram, and what online print service to use?

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Here are the questions that Marco answers in this episode:

1. Hi Marco, I would like to know, if everything else is equal, how many megapixels would an image file need to have to be able to render a good print (300 dpi) at various sizes, i.e. 5 x7, 8 x 10, 11 x 14, etc.? Thank you for your great podcast! Regards, Jeff.

Question from: Jeff, Phoenix, Arizona, USA

2. Hello, I love the podcasts. I was listening to an episode of “we shoot mirrorless” and had a question. I'm a Nikon shooter who recently purchased a Panasonic G7 M4/3 camera. Scott was giving some tips on how to get the most out of these small sensors and mentioned that you should always expose to the right. It makes sense to me. However, you guys mentioned that while using this technique you should never trust your histogram. First, why is this the case, and second if you're not using your histogram, how can you tell if you're not blowing out your highlights?

Question by: John, Washington D.C., USA

3. Thank you for the recent show about printing. I am not in the position at the moment to buy a printer & might not be able to for about 12 months. Can you recommend an online printing store, or alternatively suggest ways to work out which online store to use? I live in Australia however, I am happy to use an online store that is based elsewhere in the world. I'd like to print photos to hang on my walls so I think a minimum of 8x10" would be a good size to start with. I live in a small regional town & I do not have a local brick & mortar camera store to use. Thanks for all the amazing podcasts you do, I love listening to them all.

Question by: Kim, Australia

Reference to previous PPN episodes that cover the printing process mentioned in this answer:

Camera and Inspiration #2

How to have your images printed by a professional online photo lab: https://www.photopodcasts.com/podcasts/camera-and-inspiration-2-ppn-may-30th-2017

More Gear Show #16

How to print better photos with a good photo paper workflow:

https://www.photopodcasts.com/podcasts/more-gear-show-16-ppn-how-to-print-better-photos-with-travis-mc-connaghy-from-hahnemuehle

Q&A #16

How to soft proof your photos before printing (Question #4 / Minute: 31:47-35:45)

https://www.photopodcasts.com/podcasts/qa-16-ppn-fast-workflow-is-one-card-slot-enough-charging-for-photos-and-how-to-soft-proof

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