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Bi-monthly release with minor bug fixes and improvements

ASI1600MC low (?) FPS

  • Posts: 910
  • Thank you received: 86
Hello,
Just acquired an ASI1600MC.
Getting 1 fps when streaming Raw 8bit with bandwidth 40, 2 fps Raw 8bit with bandwidth 80, 0.5 fps Raw 16bit with bandwidth 40.
I am new to this camera. Is this low or something to be expected?
ASI120MC-S is 12 times faster.
Thanks!
-- Max S
ZWO AM5. RST-135. AZ-GTI. HEQ5. iOptron SkyTracker.
TPO RC6. FRA400. Rokinon 135 and other lenses.
ZWO ASI2600MC. D5500 modified with UVIR clip-in filter.
ZWO ASI120MM Mini x 2. ZWO 30F4 guider. Orion 50mm guider.
ZWO EAF x 2.
5 years 1 month ago #34555

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Replied by Jasem Mutlaq on topic ASI1600MC low (?) FPS

Tried binning? what FPS do you get with ASI120? 12FPS?
5 years 1 month ago #34558

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  • Thank you received: 86

Replied by maxthebuilder on topic ASI1600MC low (?) FPS

Yes, tried - binning didn't affect FPS. Yes, ASI120 - around 12 FPS.
Thanks!
-- Max S
ZWO AM5. RST-135. AZ-GTI. HEQ5. iOptron SkyTracker.
TPO RC6. FRA400. Rokinon 135 and other lenses.
ZWO ASI2600MC. D5500 modified with UVIR clip-in filter.
ZWO ASI120MM Mini x 2. ZWO 30F4 guider. Orion 50mm guider.
ZWO EAF x 2.
Last edit: 5 years 1 month ago by maxthebuilder.
5 years 1 month ago #34559

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ASI1600 is 16 megapixel camera, ASI120 is 1megapixel so that probably explains most of it and approaches limits of USB2 in RPI3. Binning is probably software based like CMOS cameras usually have so it doesn't help as the driver still transfers full frames over USB. Subframing should help to get decent frame rates with planets and so on.
5 years 1 month ago #34563

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  • Thank you received: 86

Replied by maxthebuilder on topic ASI1600MC low (?) FPS

Yes. Checked on a Windows PC - same fps when connected to USB 2 port.
10 fps when connected to USB 3.
So, 0.5-2 fps is normal for this camera connected to RPI.

I am OK with this - don't need higher fps. Was just wondering...
Thanks!
-- Max S
ZWO AM5. RST-135. AZ-GTI. HEQ5. iOptron SkyTracker.
TPO RC6. FRA400. Rokinon 135 and other lenses.
ZWO ASI2600MC. D5500 modified with UVIR clip-in filter.
ZWO ASI120MM Mini x 2. ZWO 30F4 guider. Orion 50mm guider.
ZWO EAF x 2.
5 years 1 month ago #34583

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