Top Objective Ratings

Levenhuk Wise PRO 10x50 Monocular

  • High-aperture waterproof monocular with 10x magnification and a 50mm objective lens.
  • Multi-coated BaK-4 glass optics deliver a saturated and contrast image.
  • large 50mm objective lens gathers much light and ensures great visibility even in twilight.
  • Waterproof shell is impervious to rain and snow.
  • nitrogen filling protects the optical elements from fogging.
  • Long eye relief is convenient for observing in regular glasses or sunglasses.
  • eyepiece and objective lens protective caps.
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Levenhuk Wise PRO 8x42 Monocular

  • Wide-field waterproof monocular with 8x magnification and a 42mm objective lens.
  • Multi-coated BaK-4 glass optics deliver a saturated and contrast image.
  • 42mm objective lens gathers much light and ensures great visibility even in twilight.
  • Waterproof shell is impervious to rain and snow.
  • nitrogen filling protects the optical elements from fogging.
  • Long eye relief is convenient for observing in regular glasses or sunglasses.
  • eyepiece and objective lens protective caps.
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Monstrum Rubberized Flip-Up Rifle Scope Lens Cover Set

  • Rubberized flip-up rifle scope lens covers that conform tightly around your rifle scope tube, protecting your lenses from dust and abrasion.
  • Spring-loaded flip-up mechanism pops open effortlessly when needed and securely tightly when not in use.
  • Each set includes two Rubberized Flip-Up Lens Covers. This set include one eyepiece cover with the size 37-43mm/1.5-1.7in and one objective cover with the size 26-31mm/1.0-1.2in.
  • 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.
  • Available in a full range of sizes to fit any rifle scope. Eyepiece Cover available in 37-43 mm(1.5-1.7 inch) or 43-49 mm(1.7-1.9 inch diameter). Objective Lens Cover available in 26-31 mm(1.0-1.2 inch), 31-37 mm(1.2-1.4 inch), 37-43 mm(1.5-1.7 inch), 43-49 mm(1.7-1.9 inch), 49-55 mm(1.9-2.1 inch), or 55-62 mm(2.2-2.4 inch) diameter.
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0.5X Stereo Microscope Lens Auxiliary Objective Lens Accessory 42mm Mounting Thread Microscope Parts for Monocular Electron Microscope Camera

  • 【HIGH-QUALITY AND DURABLE】High-quality industrial microscope objective lens uses high-quality materials, durable, stable performance, and can be used for a long time..
  • 【FEATURES】The auxiliary objective lens use 42mm/5.5in installation interface, working distance is 140mm/1.7in, can be directly installed..
  • 【APPLICATION】The auxiliary objective lens is a practical accessory, easy to install, and customized single barrel electron microscope..
  • 【CLEARER FIELD OF VIEW】0.5X microscope auxiliary objective lens can double the total magnification of the microscope and reduce the focaling length. It can effectively expand the observation field and facilitate the observation of the internal structure of small objects..
  • 【NOTE】We strive to provide you with the highest quality product and the best customer experience. Your nice comment on our product page will be a great encouragement to improve our service. if you're not entirely satisfied, please just feel free to contact us at any time..
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Levenhuk Bruno Plus 20x80 Powerful Astronomy Binoculars with Fully Multi-Coated Lenses and Sealed Body Construction

  • Powerful high-aperture astronomy binoculars that can replace an amateur-level refractor.
  • Powerful high-aperture BaK-4 glass objective lenses transmit a contrast, crisp, detailed picture.
  • 5-element eyepieces smooth out the image and minimize optical and spherical distortions.
  • Comes with a strap, pouch, eyepiece and objective lens caps.
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Rockville dB12 2000 Watt Peak/500w RMS Mono 2 Ohm Amplifier Car Amp

  • Rockville dB12 2000 Watt Peak/500 Watt Dyno-Certified RMS Mono 2 Ohm Amplifier Car Amp.
  • Features of dB12: Rockville dB12 2000 Watt Peak/500 Watt Dyno-Certified RMS Mono 2 Ohm Amplifier Car Amp.
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc).
  • Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). - 2 Ohm: 2000 Watts x 1 Channel. - 4 Ohm: 1200 Watts x 1 Channel.
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Rockville Krypton-T2 2800 Watt Peak/700w RMS 2 Channel Amplifier Car Amp

  • Rockville KRYPTON-T2 2800 Watt Peak/700w Dyno-Certified RMS 2 Channel Amplifier Car Amp..
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford....
  • 2 Ohm: 350 Watts x 2 Channel 0.28% THD+N. 4 Ohm 215 Watts x 2 Channel 0.04% THD+N. 4 Ohm: Bridged: 700 Watts x 1 Channel .
  • Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 1400 Watts x 2 Channels. 4 Ohm: 860....
  • 4 Ohm Bridged: 2800 Watts x 1 Channel. Digital Voltage Display on Amp. High Level Input (Auto ON). High-Speed MOSFET Power Supply. Fully Adjustable....
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10X Achromatic Objectives Lens 185 Conjugate Distance Walfront Biological Microscope Achromatic Objectives Lens for Optical Instruments Conversion Objective Lens

  • ► ALUMINUM SHELL -- Aluminum Alloy shell is preciseness machined, stable and durable for long time use..
  • ► 10X MAGNIFICATION -- This is a 10X achromatic objective lens for biological microscope..
  • ► INCREASE CONTRAST -- It can eliminate unwanted reflections and increase contrast..
  • ► MORE CLEAR IMAGE -- Offers high quality observation without additional chromatic aberration..
  • ► 31.3MM OBJECTIVE LENS -- The Length of the objective lens is 31.3mm, easy to use..
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Rockville dB13 3000 Watt Peak/750w CEA rated RMS Mono 2 Ohm Amplifier+Amp Kit

  • Rockville KRYPTON-M2 3000w Peak/750w Dyno-Certified RMS Mono 1 Ohm Car Amplifier Amp+Remote..
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford....
  • Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 1 Ohm: 3000 Watts x 1 Channel. 2 Ohm: 2000....
  • Digital Voltage Display on Amp (Accurate within 0.15V). Power/Protect/Clip LED Indicators on the front panel. Power/Protect/Clip LED Indicators on....
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Rockville dB25 2800 Watt/700w CEA RMS 2 Channel Amplifier Car Stereo Amp, Loud!!

  • Includes: Amplifier. Birth sheet with tested power. Owner’s manual. Mounting Screws. Warranty..
  • Rockville dB25 2800Watt/1400Watt RMS Class AB 2 Ohm Car Stereo Amplifier With Optical Coupler Technology. CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 350 Watts x 2 Channel.
  • RMS Power Ratings: (Use these RMS ratings when comparing with great brands such as Hifonics, Earthquake, Soundstream, etc). 2 Ohm: 700 Watts x 2 Channel. 4 Ohm: 460 Watts x 2 Channel. 4 Ohm:Bridged: 1400 Watts x 1 Channel. Peak: (The amount of power the amplifier can produce for a split second at the loudest part of a song. 2 Ohm: 1400 Watts x 1 Channel. 4 Ohm 920 Watts x 1 Channel. 4 Ohm:Bridged: 2800 Watts x 1 Channel..
  • High-Speed MOSFET Power Supply. Under Voltage Protection at 10V. Over Voltage Protection at 16V. Tertiary Supplies Circuitry. Studio-Grade Bipolar Output Stage Transistors. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 250Hz. High Pass Filter: 60....
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Rockville RXD-F30 Micro Car/ATV Amplifier 2400w Peak 4 Channel 4x150W RMS

  • Rockville RXD-F30 Micro Car/ATV Amplifier 2400w Peak 4 Channel 4x150W Dyno-Certified RMS..
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford....
  • Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). .....2400 Watts (2 x 1200 @ 2 Ohms or 1 x 2400 @ 4....
  • Fully Adjustable High Pass Crossover: 50Hz - 250Hz. CH1 & CH2 High Pass 50Hz - 250Hz. CH3 & CH4 Low Pass 50Hz - 250Hz.
  • Full IC-Controlled Protection Circuitry. 2 CH / 4 CH Input Mode Switch. RCA Preamp Line Output. ELNA Brand Audiophile Capacitors. 8 Volt Preamp....
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Rockville RXM8BTW 8-Channel 1500 Watt Marine Bluetooth Boat Amplifier+Amp Kit

  • Package Includes: (1) Rockville RMWK4 4 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit. (1) Rockville RXM8BTW 1500w Peak/750w....
  • Features of RXM8BTW: Compact design and extremely high power (Do not be fooled by the compact size.
  • this amp is a beast!!!). Peak: (Use these ratings....
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford....
  • Features of RMWK4: Rockville RMWK4 4 AWG Gauge Waterproof Marine/Boat Amplifier Wire Installation Kit. 20 ' Translucent, Twisted Pair, High Quality,....
  • 25' 16 Gauge 100% Tinned-CCA, White, Non-Transparent Resin PVC, Flat Speaker Cable. 25' Blue Remote Wire. (1) Silver Mini-ANL Fuse Holder - Clear....
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