what is the working distance?

Much less than a millimeter. This is a high power objective for a microscope. In order for you to see anything it has to be extremely close to the slide holding the sample. It also requires the use of immersion oil connecting the objective to the sample slide. Without the oil, you can not see anything through the eyepieces of the microscope because of light defraction. Hope this helps.

My stage won't drop any lower for the length of this lens. 😭 Is there anything I can do to make it work, or do i just need to send it back?

I think you need to include a photo so we can see what the problem is. I am assuming the lens screws in but that you are not able to drop the stage low enough? The lens has to literally be in contact with the slide. It would be unusual for the microscope to not allow enough travel. What microscope are you using and does it move the length the manufacturer says?

How are you supposed to clean the lens? It’s so small it can’t be cleaned properly resulting in oil beads that distort the image

Using compressed air can be helpful to clear the lens. If not, take a piece of lens paper and fold it to a point. Soak the lens paper in a suitable solvent such as Sparkle (https://www.amazon.com/dp/B007LBEEWQ). Insert the folded point on to the lens surface and make small circles to clean the entire lens. Use an eyepiece to check for any excess debris or oil on the lens after cleaning.

will this fit with M150-c model of AmScope?

buy it and try it. Return it if it doesn't

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AmScope A100X 100X (Oil) Achromatic Microscope Objective

Product ID: 8886587

Details

Brand
AmScope
Color
Black Clear
Item Weight
0.01 Ounces
Light Source Type
LED
Magnification Maximum
100 x
Material

💡NA 1.25 for superior light gathering

🔬100X magnification power

🛡️Spring-loaded nosecone for lens protection

£49.00

Duties & taxes included

In stock

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Description

🔬 Elevate your lab game with precision that commands attention!

OIL IMMERSION TECHNOLOGY - Unlock the full potential of your microscope with enhanced resolution and detail at high power.
DURABLE SPRING LOADED NOSECONE - Protect your investment and samples from accidental damage during intense research sessions.
UNIVERSAL DIN JIS COMPATIBILITY - Seamlessly integrates with most compound and biological microscopes for effortless upgrades.
CRYSTAL CLEAR 100 X MAGNIFICATION - Experience ultra-sharp, true-color images that reveal unseen microscopic details.
HIGH NA 1 25 FOR BRILLIANT RESOLUTION - Maximize light intake and clarity for professional-grade observations every time.

The AmScope A100X Achromatic Microscope Objective delivers 100X magnification with a high Numerical Aperture of 1.25, optimized for oil immersion to provide exceptional resolution and true-color clarity. Designed for standard 160mm tube length and 45mm parfocal distance microscopes, it fits common DIN/JIS models and features a spring-loaded nosecone for lens protection. Ideal for laboratory, educational, and research use, it combines professional optical performance with durable construction backed by a reliable warranty.

Specifications

ASIN	B005PPRDH8
Best Sellers Rank	#2 in Microscope Lenses
Brand	AmScope
Built-In Media	Microscope Objective
Color	Black, Clear, Gold, Grey
Customer Reviews	4.4 4.4 out of 5 stars (104)
Enclosure Material	PE_(Polyethylene)
Global Trade Identification Number	00013964560008
Item Weight	0.01 Ounces
Light Source Type	LED
Magnification Maximum	100 x
Manufacturer	United Scope LLC.
Manufacturer Part Number	A100X
Model Name	A100X-V300
Model Number	A100X
Objective Lens Description	Achromatic
Power Source	Battery Powered
Real Angle Of View	90 Degrees
UPC	013964560008
Unit Count	1.0 Count
Warranty Description	1 Year Manufacturer

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