Top Learning Objective Reviews

Educational Insights GeoSafari Telescope & Microscope Set, 2-in-1 Set, STEM Learning, Ages 8+

Two-in-one set includes high quality telescope and microscope!.
Includes 360 mm telescope with magnifications from 18x–80x, all-glass optics, 50 mm achromatic objective lens, and 2 eyepieces..
Easy-to-use refractor design and tabletop tripod make the telescope perfect for on-the-go discovery.
Perfect for viewing everything from a microbe to the moon..
The microscope features durable die-cast metal construction.
and professionally prepared slides and everything users need to make their own specimen slides.
Great for STEM learning, providing experience with key scientific tools and encouraging exploration and discovery..
A hands-on introduction to astronomy and microbiology!.
Microscope light requires 2 AA batteries (not included)..

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4X 185 Biological Microscope Achromatic Objective Lens 160/0.17 for Optical Instruments Conversion Objective Lens

[High-quality material] This objective lens is made of high-quality material and is durable and durable. Customers can use it at ease..
[4x color eraser] Aluminum alloy shell is preciseness machined, stable and durable for long time use. This is a 4x achromatic objective for biological microscopes..
[Without increasing the chromatic aberration] You can enhance the contrast by eliminating unnecessary reflections. Provides high quality observation without increasing chromatic aberration and makes the image sharper..
[Objective lens length: 30.5 mm] The length of the objective lens is 30.5 mm and easy to use..

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Objective Lens Auxiliary Objective Lens KP-0.5X Microscope Lens with 1-7/8inch (48mm) Mounting Thread Replacement

[Clear Images] Double the magnification of original objectives, a very practical objective lens accessories..
[Powerful] The objective lens can significantly increase working distance up to 11.21inch (287mm). It is a great replacement for your old or broken one..
0.5X Magnification] 0.5X stereo microscope assisted objective lens, effectively enlarged the field of view..
[1-7/8inch (48mm) Mounting Thread] This lens is designed with a 1-7/8inch (48mm) mounting thread. It is widely used for monocular digital / video microscope..
[Convenient] The microscope objective lens have compact size, easy to attach on objective, just screw it on, convenient to use..

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2022 New Flip-Up Rifle Scope Lens Covers Flip-Up Scope Lens Covers for Outdoor Sport (39mm)

PLEASE NOTE: For optimum fit, carefully measure the OUTSIDE DIAMETER of both your rifle scope?s eyepiece and objective bell. Please note that this measurement is different than the diameter of your objective lens..
HIGH QUALITY MATERIAL: high quality material.The Dustproof Cover is made of high quality material Rubber,that will be durable and lightweight to carry..
FEATURES:Can protect ocular or objective lens from damaging or fracturing.Efficient to prevent dirt or dust to enter, and keep your lens clean when not use..
If you have any questions, please contact us, we will solve it for you within 24 hours, please rest assured to buy!.

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Swampfox - KILLFLASH Honeycomb Filter 9 MM- for 50 MM Objective Bell

The Swampfox Honeycomb Grid anti-reflection device threads into the objective lens of your precision rifle scope without using any tools..
Prevents sunlight from reflecting off your objective lens, reduces the likelihood of spooking game or being spotted by OPFOR.
The steel honeycomb construction is razor thin, making it virtually invisible to the shooter.
Swampfox Honeycomb Grid is guaranteed to work only with 44mm, 50mm, or 56mm objective lenses on Swampfox optics. In case that isn’t clear. NOT guaranteed to work with any other brand’s similar sized objective lenses.

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Samsung QN75Q80TA / QN75Q8DTA 75-inch Class Q80T QLED 4K UHD HDR Smart TV (2020) (Renewed)

DIRECT FULL ARRAY 12X* (85", 75", 65" & 55"): Controlled backlights offer deeper contrast for richer blacks and brighter whites..
QUANTUM HDR 12X (85", 75", 65" & 55"): Fine-tuned shades of cinematic color make details leap off the screen..
QUANTUM PROCESSOR 4K: This powerful processor uses deep learning AI to transform everything you watch into stunning 4K..
OBJECTIVE TRACKING SOUND: Two top and two bottom built-in TV speakers adjust the sound to follow the action..
100% COLOR VOLUME WITH QUANTUM DOT**: Quantum dots produce over a billion shades of color that stay true-to-life even in bright scenes..

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Educational Insights GeoSafari Vega 360 Telescope, Beginner Telescope for Kids & Adults, Supports STEM Learning, Great to Explore Space, Moon, & Stars

Two-in-one set includes high quality telescope and microscope!.
Includes 360 mm telescope with magnifications from 18x–80x, all-glass optics, 50 mm achromatic objective lens, and 2 eyepieces..
Easy-to-use refractor design and tabletop tripod make the telescope perfect for on-the-go discovery.
Perfect for viewing everything from a microbe to the moon..
The microscope features durable die-cast metal construction.
and professionally prepared slides and everything users need to make their own specimen slides.
Great for STEM learning, providing experience with key scientific tools and encouraging exploration and discovery..
A hands-on introduction to astronomy and microbiology!.
Microscope light requires 2 AA batteries (not included)..

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HomeAll Listening Devices Portable Parabolic Listening Device Toy Electronic Spy Gear for Adults Real and Birds Observing for Walking Hunting Camp

SPECIAL DESIGN: 8x bird listening devices for spying/telescope allows you to get closer to the target and clear. The parabolic microphone can record....
SOUND DETECTION: Use spy hearing device to observe and listen in a spacious and quiet place. The sound detection system is powerful and can detect....
HIGH-DEFINITION IMAGING: The parabolic listening device is composed of an optical glass objective lens with an anti-reflection coating on the surface.....
WONDERFUL LEARNING TOY FOR CHILDREN: This wall listening device spy is ideal for studying birds and wildlife, ideal toy for kids, it stimulates....
CUSTOMER SERVICE: We provide one year warranty on the sound amplifier for spying. It needs to install 9V 280mAh Ni-MH Batteries (NOT included, please....

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AmScope 4X-100X Four Achromatic Objective Lens Set

A set of 4 achromatic objective lenses: 4X, 10X, 40X, and 100X.
Compatible with DIN standard microscopes.
Includes the most common magnifications for biological applications.

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Nikon Monarch Black 42mm Anti Reflective Device ARD

Fits monarch and monarch 3 Riflescopes with a 42mm objective.
Eliminates game-spooking objective lens reflection.

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OMAX 40X (Spring) Achromatic Objective Lens for Compound Microscopes

40X Standard NA/0.65, DIN 160/0.17 achromatic objective lens.
Spring loaded for protecting lens and slides.
1-year warranty against manufacturing defects.

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Microscope Lens,4X 185 Biological Microscope Achromatic Objectives Lens 160/0.17 5×5×5cm Eliminate Unwanted Reflections

✔【4X Magnification】- DM-WJ001 Mode Biological microscope Achromatic Objectives Lens, offering high quality observation without additional chromatic aberration, make image more clear..
✔【Conjugate Distance 185 】- The 185 conjugate distance is the distance between the object plane and the image plane of the objective lens in the microscope system. Working distance (W.D) 35.6mm..
✔【Standard RMS Thread】- Standard RMS thread, 20mm mounting size, please confirm the size of your microscope thread before purchase..
✔【Objective Lens Length 30.5mm】- The Length of the objective lens is 30.5mm, easy to use. It can eliminate unwanted reflections and increase contrast..
✔【Excellent Material】- The outer casing material of the objective lens is made of aluminum alloy and is durable. Customers can use it at ease..

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Microscope Lens,40X 185 Biological Microscope Achromatic Objectives Lens 160/0.17 5×5×5cm Eliminate Unwanted Reflections

✔【40X Magnification】- DM-WJ003 Mode Biological microscope Achromatic Objectives Lens, offering high quality observation without additional chromatic aberration, make image more clear..
✔【Conjugate Distance 185 】- The 185 conjugate distance is the distance between the object plane and the image plane of the objective lens in the microscope system. Working distance (W.D) 0.53mm..
✔【Standard RMS Thread】- Standard RMS thread, 20mm mounting size, please confirm the size of your microscope thread before purchase..
✔【Objective Lens Length 37.8mm】- The Length of the objective lens is 37.8mm, easy to use. It can eliminate unwanted reflections and increase contrast..
✔【Excellent Material】- The outer casing material of the objective lens is made of aluminum alloy and is durable. Customers can use it at ease..

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