Toucam 840k and 900NC?

[EzyStyles]

Hi guys again :P

Was wondering what the difference between the 840k and 900nc when imaging besides that the 900nc has more frame rates (90 frames/s)??
I also heard the 900nc is 50% more sensitive than the 840k? is that true?

Thanks

[davidpretorius]

maybe for webcamming, but for astro, i would rate the 900nc as 5-10% better, but 20% dearer.

there is a yuy2 codec which does not compress the data as much, but that codec can actually be loaded into the 840k.

the 840k has a nicer backend ie numbers for the sliders ie 10%, 20%, the 900nc does not.

Raw macros ie to get uncompressed avi's out of a toucam at 5fps work for the 840k, but not the 900nc, unless you have installed the drivers for a 840k before hand. This is currently being fixed by Martin Burri et al, but will be a while.

Look both are superb bits of astro gear and to be honest, save yourself $40 and go the 840k whilst you can. The 900nc is a fine replacement for the 840k, but not a huge jump in technology to warrant only buying 900nc.

If they were the same price, then the 900nc would be preferable!

[iceman]

Davo's on the money.

Don't listen to the blurb about 90fps. You'll only ever use 5 or 10.

You'll be happy with either, they both use the same chip so the 900nc is definitely not 50% more sensitive.

[EzyStyles]

thanks for your help guys. what if for $10 more? 900nc?

[davidpretorius]

yup!

[davidpretorius]

do not forget an adapter for 1.25" and budget for a baader ir/uv filter aprox $80