Can this be used to control video or zoom the camera lens?

No, it cannot control the video or zoom the camera lens.

I need 50 pictures, the exposure time for each picture is 10s, the interval time between each picture is 5s, how set?

Set the [BU] to 10s and [INTVL] to 15s, then set the [N] to 50. The interval time includes the exposure time. So the 15s of [INTVL] minus the 10s of [BU] results in 5s real interval time between each picture.

Will this work for a 10 day long time lapse of mushroom growth?

No, the longest time can set is 99 hours 59 minutes 59 seconds.

Does it work without batteries as a normal remote trigger?

Yes, it also works. Just half press the shutter button for auto focus, fully press for shutter release, slide up the shutter button for bulb lock. But you cannot use for time lapse photography without batteries.

ASIN	B06XBW7898
Additional Features	Universal
Battery Type	Alkaline
Best Sellers Rank	#75,977 in Electronics ( See Top 100 in Electronics ) #107 in Digital Camera Remote Controls
Brand	JJC
Button Quantity	10
Color	Wired Only
Colour	Wired Only
Compatible Devices	Camera
Compatible devices	Camera
Connectivity Technology	Wire
Connectivity technology	Wire
Controller Type	Button Control
Customer Reviews	4.1 out of 5 stars 84 Reviews
Item Dimensions L x W x H	12.1L x 4W x 2.1H centimeters
Item Weight	76 Grams
Manufacturer	JJC
Max number of supported devices	1
Maximum Number of Supported Devices	1
Maximum Range	0.9 Meters
Mfr Part Number	TM-B
Model Name	TM-F2
Model Number	TM-B
Special features	Universal

Intervalometer Timer Remote Shutter Release Time Laspe for Nikon Z8 Z9 D850 D810A D810 D800 D800E D700 D500 D5 D4 D4s D3 D3s D2H D2X D2Xs D1H D1 D300s D300 D200 D100 and More Nikon Cameras

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