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Are lens tests useless?
#19
Quote:Klaus,

 

What are your thoughts on Lenstip/optyczne comparing results across different systems? e.g. they test one lens on a 5D iii and another on a A7r II and suggest the 5D tested lens is "better" as it has a lower disparity between centre and corner resolutions. This does not seem like a robust conclusion. 

Also some of their tests seem to differ significantly from other sources. e.g. Sony 55mm 1.8 ZA and 85mm 1.4 GM tests suggest that these lenses are underperforming, yet Lensrentals and DXO suggest very high performance. 

 

Lens rentals seems to be the real benchmark test for resolution testing since the results are truly comparable and account for manufacturing variation. However they do not evaluate other characteristics (bokeh, flare, AF etc..)
 

Honestly I never had a serious look what Lenstip is doing so I can't comment really.

Lens rentals is awesome but they are pure players - in real life you just don't take images with a lens alone. Their sample variation charts fascinate me the most and, of course, their insights into lens internals.

 

Generally I think there's always useful information in reviews with content that illustrates that a certain effort has been made. That also applies to non-technical reviews.


Unfortunately there are many reviews which are just a sloppy assembly of manufacturer information combined with a few snapshots (I could name that guy but I wouldn't ...). Technical sites with a high inflation of ****-***** reviews are also suspicious - such sites just care about ad revenues and NOTHING else.

 

Of course, we also care about our revenues but at least I like to think of our work as a community service as well. The other day that there was a funny Facebook message in one of our reviews - it said "you don't respect lenses! I'll leave and will not come back.". I thought that we probably did a great job there ;-) It is not our mission statement to please.
  


Messages In This Thread
Are lens tests useless? - by wayfarers - 11-15-2016, 07:27 AM
Are lens tests useless? - by Brightcolours - 11-15-2016, 07:33 AM
Are lens tests useless? - by Klaus - 11-15-2016, 07:56 AM
Are lens tests useless? - by wayfarers - 11-15-2016, 08:08 AM
Are lens tests useless? - by Klaus - 11-15-2016, 08:09 AM
Are lens tests useless? - by Rover - 11-15-2016, 08:18 AM
Are lens tests useless? - by wayfarers - 11-15-2016, 08:22 AM
Are lens tests useless? - by davidmanze - 11-15-2016, 08:22 AM
Are lens tests useless? - by toni-a - 11-15-2016, 08:46 AM
Are lens tests useless? - by Brightcolours - 11-15-2016, 09:14 AM
Are lens tests useless? - by Klaus - 11-15-2016, 09:44 AM
Are lens tests useless? - by obican - 11-15-2016, 11:29 AM
Are lens tests useless? - by Rover - 11-15-2016, 12:51 PM
Are lens tests useless? - by davidmanze - 11-15-2016, 08:42 PM
Are lens tests useless? - by Rainer - 11-15-2016, 09:54 PM
Are lens tests useless? - by obican - 11-15-2016, 11:45 PM
Are lens tests useless? - by Ayoh - 11-16-2016, 12:38 AM
Are lens tests useless? - by Arthur Macmillan - 11-16-2016, 08:30 AM
Are lens tests useless? - by Klaus - 11-16-2016, 09:17 AM
Are lens tests useless? - by obican - 11-16-2016, 10:32 AM
Are lens tests useless? - by Rover - 11-19-2016, 09:14 AM

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