Disapointed in my Df.

Started Apr 6, 2014 | Discussions thread
antoineb Veteran Member • Posts: 6,648
Indeed - and some specs

caspianm wrote:

There is no proof that D600/601 focusing system is any different than the D7000's. Nor I have ever seen all discrepancies stated on this site regarding D7000 focusing. My D800 is slightly faster, able to focus in darker and has more & wider spread. In everyday I see no difference unless critical work.

Specs, as per Nikon:

D7000 AF module:  "Multi-cam 4800 DX",  39 focus points including 9 cross-type,  sensitivity -1EV to +19EV

D600 AF module:  "Multicam 4800",  39 focus points including 9 cross-type,  sensitivity -1EV to +19EV

Df AF module:  "Multicam 4800",  39 focus points including 9 cross-type,  sensitivity -1EV to +19EV

D800/E AF module:  "Multicam 3500 FX",  51 focus points including 15 cross-type,  sensitivity -2 to +19EV.  In other words the D800's AF engine is TWICE as sensitive as that on the D7000 or D7100 or D600 or D610 or Df.  Which can be a pretty big deal.

Interestingly, the D4s apparently also uses the 3500FX but has a range only from -1EV vs -2EV on the D800/E.  So it seems that anyone who needs to regularly AF w/o assist light in ow light conditions, is better off w a D800/E.

And how do other brands compare?
- at Canon the most sensitive AF engine is on the 5D3,  61 points o/w 41 cross-type, sensitivity -2EV to +18EV

- at Panasonic, i.e. mirrorless, the GX7 can AF in as little as -4EV.  In other words the humble GX7 can focus in as little light as 4 TIMES LESS LIGHT than a D800/E can.  And, 8 times less light than a Df / D600 / D7100 / D7000 can.  Ouch!

 antoineb's gear list:antoineb's gear list
Panasonic Lumix DMC-FZ8 Panasonic Lumix DMC-FZ18 Panasonic Lumix DMC-ZS7 Olympus TG-610 Nikon D7000 +5 more
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