Tair 300mm vs Meyer Optik Goerlitz 300mm

[martyn_bannister]

All 100% center crops. Sorry about the variable exposure. No PP apart from the crop. Taken with a Canon 5D mk1

The TAIR 300mm f4.5 Photo Sniper.......
f4.5 Little CA - but not very sharp Focus/adapter/infinity issue?

f5.6

f8

f11

f16

f22


The MOG 300mm f4.0
f4.0 - CA!

f5.6

f8 - CA viurtually disappeared

f11

f16

f22

[martinsmith99]

I had the photosniper and it sucked massively; soft at all apertures. Member Poolhall convinced me to try another and I'm glad I did (but I got the preset version and not the crazy sniper). It's quite sharp wide open and seems best at F8 where it is quite astonishing.

I'm not sure where you were focusing, but it seems the foreground is the sharpest point.

[woodrim]

Infinity can never be trusted. How many times do you suppose lenses have been evaluated at infinity when in fact the barrels stopped turning before meeting it - even by the slightest amount? I almost prefer the ones that go past infinity, thus allowing me to back up.

[martyn_bannister]

I think you are both right. There definitely seems to be an infinity issue here. I am still looking for a non-PS Tair, but they seem to be getting rarer - and pricier!!!!

I will have to investigate the issue and re-shoot. Apologies all.