Welcome to Photo Genius

Photography courses, workshops, private tuition and online tutorials

My passion is photography, and I love sharing my knowledge and helping others take better photos with their cameras. 


If you live in Brisbane why not consider joining me for a photography course or workshop, if you live elsewhere in the world then check out the Photo Genius YouTube channel where I post regular videos with tips on how to improve your photography and get more from your camera.

Below you will find some tip sheets that you can download as well info on the gear I use and featured links to some of my videos.

Please consider following me on Instagram and join our mailing list for regular updates.

Thanks for visiting the Photo Genius website.

Paul Farris / Photo Genius


Photo Genius Exclusive Merchandise

Download my free tip sheets

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The crop factor

The crop factor is determined by the size of the sensor inside a digital camera.
Most cameras feature the popular APSC (cropped) sensor with higher end and professional

cameras featuring full frame sensors. 

Use this handy guide to discover the crop factor for your camera

The following APSC DSLR and Mirrorless cameras have a CROP FACTOR of 1.5
Nikon (DX mount)

Pentax K mount

Sony (varies - check with dealer)


Fujifilm X mount

Samsung NX


All Canon APSC DSLR cameras have a - CROP FACTOR of 1.6

Full frame DSLR and mirrorless cameras have a - CROP FACTOR of 1

Nikon FX and Z mount
Canon EF mount

Sony (varies - check with dealer)

Pentax K1

Leica M9

Micro four thirds cameras have a - CROP FACTOR of 2



Recommended viewing

Recommended viewing

Recommended viewing

We post weekly photography tutorial and review videos on the Photo Genius YouTube channel.


This page features affiliate links - this means if you make a purchase using the link we get a small percentage of the sale at absolutely no cost to you - thank you for your support.

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