Impact of Photo Format

Example Comparison Chart

Name	format	equivalent FL	length	diameter, filter	weight	min focal distance
Panasonic 35-100mm f2.8	m43,2x	70-200mm	100mm	67mm, 58mm	360g	0.85m
DA 50-135mm f2.8	1.5x	75-200mm	135mm	77mm, 67mm	765g	1m
A 70-210mm f4	1x	70-210mm	149mm	72mm, 58mm	680g	1.2m
tamron 70-200mm f2.8	1x	70-200mm	194mm	90mm, 77mm	1150g	0.95m
Panasonic 100-400mm	m43,2x	200-800mm	172mm	83mm, 72mm	985g	1.3m
tamron 150-600mm	1x,1.5x	225-900mm	258mm	106mm, 95mm	1951g	2.7m
sigma 150-500mm	1x,1.5x	225-750mm	252mm	95mm, 86mm	1780g	2.2m
DFA 150-450mm	1x,1.5x	225-675mm	241mm	95mm, 86mm	2000g	2m

Video Format

CinemaDNG, digital negatives of individual frame of recorded video
- intro: http://www.adventfilmmakers.org/5-things-you-need-to-know-about-cinemadng/
ProRes, a FinalCut editor friendly format made by Apple
- ProRes4444, for 12bit 5k, 4k and 2k lower video wrapper
- ProRes422, for 10-bit 4k, 2k, HD source video wrapper
  - HQ, 147-220Mb/s
  - LT, 100Mb/s
  - SD, 42-63 Mb/s
  - Proxy, 36Mb/s
- ProRes422, for 8/10-bit FHD or HD source video wrapper
- ProResSQ, for compressed codec wrapper
DNxHD, a Avid editor friendly format made by Avid