Electronics > Manufacturing & Assembly

SMD Rework Microscope suggestions

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m98:
With trinocular microscopes, you need to be aware that the light of one ocular is permanently splitted 50% to the camera port. So if you just want a microscope to work under, get a binocular microscope.
Regarding the Mantis, always thought this was a brilliant concept and was convinced to buy one from Dave's review ... until we got an older Mantis Elite from another department at work. Build quality is probably inspired by Fischer Prince, and it's even more bulky in person than it comes across on screen. Optics, especially the FOV are quite average, and the missing zoom gets annoying if you work on a variety of different stuff. Definitely try one out before you buy. If you want something in that price bracket, take a look at the Leica A60.
I just bought a Zeiss Stemi 305, made by Motic (they also have fitting accessories for 1/6 the Zeiss price), so maybe I can do a small review when it arrives.

thm_w:

--- Quote from: m98 on October 04, 2023, 11:15:31 pm ---With trinocular microscopes, you need to be aware that the light of one ocular is permanently splitted 50% to the camera port. So if you just want a microscope to work under, get a binocular microscope.
Regarding the Mantis, always thought this was a brilliant concept and was convinced to buy one from Dave's review ... until we got an older Mantis Elite from another department at work. Build quality is probably inspired by Fischer Prince, and it's even more bulky in person than it comes across on screen. Optics, especially the FOV are quite average, and the missing zoom gets annoying if you work on a variety of different stuff. Definitely try one out before you buy. If you want something in that price bracket, take a look at the Leica A60.
I just bought a Zeiss Stemi 305, made by Motic (they also have fitting accessories for 1/6 the Zeiss price), so maybe I can do a small review when it arrives.

--- End quote ---

Trinocular just means three ports, it doesn't mean all three must be active at the same time. The trinoculars I've used all have a slider to allow you to enable or disable the camera port, the style you are referring to might be called "simultaneous trinocular" or similar. Or they might not differentiate the two, which is a good point to look out for.

Agreed on the mantis build quality.

jfiresto:
I have not seen a simple word to describe how a trinocular splits it light. Amscope and some other Chinese brands keep using simulfocal for a constant 50:50 split between camera and eyepiece, but I do not think that word means what they think it means.

Generally, you see a brief description, for example in this case, a "50:50 photo port with permanent splitting" (Meiji Techno) or "direct light to all three ports simultaneously" (Zeiss). A variant to watch for has a lever you can flip that will send all the light to both eyepieces when you are not using a camera. EDIT: The latter is more nice to have if you have an LED light source with good thermal management, find yourself pushing the limits of the microscope and either want or need another f-stop of brightness. It can be a bigger and more general win with a high power, halogen light source if halving the brightness means replacing bulbs significantly less often.

mon2:
We have this one and will be purchasing at least one more of the same model. Be sure to source the proper fittings for room of the solder tools. The vendor is very knowledgeable - they are the factory.

https://www.aliexpress.com/item/1005003450437164.html?spm=a2g0o.productlist.main.1.3e5c770de4ugsq&algo_pvid=9f83d548-c07d-409b-b714-40b3b01f6d17&algo_exp_id=9f83d548-c07d-409b-b714-40b3b01f6d17-0&pdp_npi=4%40dis%21USD%21239.25%21177.04%21%21%21239.25%21%21%402103223416965178837673448e7ee8%2112000025846424199%21sea%21CA%21104657229%21&curPageLogUid=sxx27KPeX0KV

Watch the video. Have only seen a small glitch where the video view locks up after many hours of idle time into 50/50 (fixed; moveable). Just recycle the power to restore. Not an issue for us.

The quality of the video / optics is unbelievable as per the video. Do purchase the ring LED light.

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