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What is the focal point and the focal length?
The focal point is the point at which light rays parallel to the optical axis converge after passing through a lens or reflecting off a concave mirror. It is the point where the image of an object is formed. The focal length is the distance between the focal point and the optical center of the lens or mirror. It is a measure of how strongly the lens or mirror converges or diverges light. **
What is a focal headache?
A focal headache is a type of headache that is localized to a specific area of the head. It typically occurs on one side of the head and can be described as a sharp, stabbing pain. Focal headaches can be caused by various factors such as tension, migraines, or cluster headaches. It is important to consult a healthcare professional for an accurate diagnosis and appropriate treatment. **
Similar search terms for Focal-JMlab-ER3
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Products related to Focal-JMlab-ER3:
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Focal-JMlab SUB12SLIMThe SUB12SLIM is a 30 cm Subwoofer from Focal with a polypropylene cone, ferrite magnet, and butyl surround. The nominal power is 280 W RMS, and the maximum power is 560 W. The impedance is 4 Ω. The sensitivity is rated at 87 dB at 2.83 V/1 m. Features 30 cm Subwoofer Cone: Polypropylene Magnet: Ferrite Surround: Butyl Technical Specifications Sensitivity: 87 dB (2.83 V/1 m) Impedance: 4 Ω Nominal Power: 280 W RMS Max. Power: 560 W148,41 €*Shipping: 14,05 €Secure redirect to the provider
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Focal-JMlab SUB10DUALSUB10DUAL is a 10 inch (25 cm) Subwoofer from Focal. It features a polypropylene cone, butyl rubber surround, and a steel basket. The power handling is 250 Watts RMS, with a peak power of 500 Watts. The sensitivity is 85 dB. The impedance is D4 2x4 Ohm. A ferrite magnet with 139 mm is installed. Features 10 inch (25 cm) Subwoofer Polypropylene cone with butyl rubber surround Steel basket Ferrite magnet Technical Specifications Ferrite magnet: 139 mm Power handling: 250 Watts RMS Peak power: 500 Watts Sensitivity: 85 dB Impedance: D4 2x4 Ohm129,75 €*Shipping: 14,75 €Secure redirect to the provider
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Focal-JMlab AP4340The Focal AP4340 is a 4-Channel Amplifier in Class-AB. Delivers 70 Watts RMS x 4 at 4 Ohm. Delivers 95 Watts RMS x 4 at 2 Ohm. In bridged mode, 190 Watts RMS x 2 at 4 Ohm. Channel 1-2 with variable high-pass filter 60–1200 Hz. Channel 3-4 with high-pass 100–2200 Hz or low-pass 50–250 Hz as well as selectable bass boost 0, 6 or 12 dB at 45 Hz. Inputs and outputs of the preamplifier are available. Total harmonic distortion 0.06%, frequency response 10–30,000 Hz, fuse rating 15 A x 2, dimensions 340 x 50 x 235 mm. Features 4-Channel Amplifier Class-AB 70 Watts RMS x 4 at 4 Ohm 95 Watts RMS x 4 at 2 Ohm 190 Watts RMS x 2 at 4 Ohm (bridged mode) Channel 1-2: variable high-pass filter 60–1200 Hz Channel 3-4: high-pass filter 100–2200 Hz Channel 3-4: low-pass filter 50–250 Hz Channel 3-4: selectable bass boost 0, 6, 12 dB at 45 Hz Inputs and outputs of the preamplifier Technical Specifications Total harmonic distortion 0.06% Frequency response 10–30,000 Hz Fuse rating 15 A x 2 Dimensions 340 x 50 x 235 mm190,26 €*Shipping: 0,00 €Secure redirect to the provider
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Focal-JMlab SUB12DUALThe Focal SUB12DUAL is a 12 inch (30 cm) Subwoofer with polypropylene cone, ferrite magnet, and butyl surround. The nominal power is 300 W, and the maximum power is 600 W. The sensitivity is 88 dB (2.83 V/1 m). The impedance is configured with 4 Ohm + 4 Ohm. Features 12 inch (30 cm) Subwoofer Cone: Polypropylene Magnet: Ferrite Surround: Butyl Technical Specifications Nominal power: 300 W Maximum power: 600 W Sensitivity (2.83 V/1 m): 88 dB Impedance: 4 Ohm + 4 Ohm Diameter: 305 mm148,41 €*Shipping: 15,80 €Secure redirect to the provider
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Which 50mm fixed focal length?
The 50mm fixed focal length lens is a popular choice among photographers for its versatility and ability to capture images with a natural perspective similar to the human eye. There are various 50mm lenses available from different camera manufacturers, such as Canon, Nikon, Sony, and Sigma, each offering unique features and image quality. It is important to consider factors like aperture size, build quality, and compatibility with your camera system when choosing the right 50mm lens for your photography needs. **
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What focal length for Deep Sky?
For deep sky astrophotography, a focal length of around 400-800mm is generally recommended. This range allows you to capture detailed images of galaxies, nebulae, and star clusters while still maintaining a wide enough field of view to include surrounding stars and celestial objects. A longer focal length can help bring out more details in distant objects, but may also make framing and tracking more challenging. Ultimately, the best focal length will depend on the specific objects you want to capture and your equipment setup. **
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What is the focal length 2?
The focal length 2 is a measurement that refers to the distance between the lens and the image sensor when the lens is focused at infinity. It is a key parameter in determining the field of view and magnification of a lens. A shorter focal length 2 results in a wider field of view and greater depth of field, while a longer focal length 2 provides a narrower field of view and higher magnification. **
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Which focal length do I need?
The focal length you need depends on the type of photography you are interested in. For portraits and close-up shots, a focal length between 50mm to 85mm is ideal. For landscapes and architecture, a wider focal length such as 24mm to 35mm is recommended. If you are looking for a versatile option, a zoom lens with a focal length range of 24-70mm or 70-200mm can cover a wide range of shooting scenarios. Ultimately, it is important to consider your shooting style and preferences when choosing the right focal length for your needs. **
What focal length do I need?
The focal length you need depends on the specific requirements of your photography or videography project. For example, if you are shooting landscapes or architecture, a wide-angle lens with a focal length of 16-35mm may be suitable. For portraits, a focal length of 85mm or 50mm is often preferred to achieve a flattering perspective. If you are shooting wildlife or sports, a telephoto lens with a focal length of 200mm or more may be necessary to capture distant subjects. Consider the specific subject matter and shooting conditions to determine the appropriate focal length for your needs. **
What is the lowest focal length?
The lowest focal length refers to the shortest distance at which a lens can focus light onto the camera's sensor or film. This is typically found in wide-angle lenses, and the lowest focal length is usually around 14mm for most DSLR and mirrorless cameras. Lenses with lower focal lengths can capture a wider field of view, making them ideal for landscape, architecture, and interior photography. **
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Products related to Focal-JMlab-ER3:
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Focal-JMlab ER3Focal ER3 is a 3 m RCA Cable with stereo configuration, made with 100% oxygen-free copper conductor (OFC). The triple shielding complements the construction. Soft-touch properties are among the design features. Optimized connections and a specially developed connection structure are integrated. The OFC technology is part of the conductor material. Features 3 m RCA Cable Stereo configuration 100% oxygen-free copper conductor (OFC) Triple shielding Soft-touch properties Optimized connections Special connection structure Manufacturer: Focal Technical Data Cable length: 3 m Conductor material: oxygen-free copper conductor (OFC) Construction: stereo Shielding: triple Connection structure: specially developed22,05 €*Shipping: 249,60 €Secure redirect to the provider
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Focal-JMlab SUB10SLIMFocal SUB10SLIM as a 10 Inch (25 cm) Subwoofer with 230 Watts RMS and 460 W maximum power. Nominal impedance 4 Ohm and sensitivity 85 dB. Polypropylene cone and butyl surround. Voice coil diameter 20 mm. Net weight 4 kg. Thiele/Small parameters: Rdc 3,2 Ohm, Fs 25 Hz, Mms 155 g, Cms 0,27 mm/N, Vas 37 L, Qts 0,643, Qes 0,708, Qms 6,96, Bxl 10,4 N/A, Sd 314 cm². Features 10 Inch (25 cm) Subwoofer Rated Power 230 Watts RMS Maximum Power 460 W Nominal Impedance 4 Ohm Sensitivity 85 dB Cone Polypropylene Surround Butyl Voice Coil Diameter 20 mm Net Weight 4 kg Technical Data Rdc 3,2 Ohm Fs 25 Hz Mms 155 g Cms 0,27 mm/N Vas 37 L Qts 0,643 Qes 0,708 Qms 6,96 Bxl 10,4 N/A Sd 314 cm²129,75 €*Shipping: 14,40 €Secure redirect to the provider
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Focal-JMlab SUB12SLIMThe SUB12SLIM is a 30 cm Subwoofer from Focal with a polypropylene cone, ferrite magnet, and butyl surround. The nominal power is 280 W RMS, and the maximum power is 560 W. The impedance is 4 Ω. The sensitivity is rated at 87 dB at 2.83 V/1 m. Features 30 cm Subwoofer Cone: Polypropylene Magnet: Ferrite Surround: Butyl Technical Specifications Sensitivity: 87 dB (2.83 V/1 m) Impedance: 4 Ω Nominal Power: 280 W RMS Max. Power: 560 W148,41 €*Shipping: 14,05 €Secure redirect to the provider
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Focal-JMlab SUB10DUALSUB10DUAL is a 10 inch (25 cm) Subwoofer from Focal. It features a polypropylene cone, butyl rubber surround, and a steel basket. The power handling is 250 Watts RMS, with a peak power of 500 Watts. The sensitivity is 85 dB. The impedance is D4 2x4 Ohm. A ferrite magnet with 139 mm is installed. Features 10 inch (25 cm) Subwoofer Polypropylene cone with butyl rubber surround Steel basket Ferrite magnet Technical Specifications Ferrite magnet: 139 mm Power handling: 250 Watts RMS Peak power: 500 Watts Sensitivity: 85 dB Impedance: D4 2x4 Ohm129,75 €*Shipping: 14,75 €Secure redirect to the provider
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What is the focal point and the focal length?
The focal point is the point at which light rays parallel to the optical axis converge after passing through a lens or reflecting off a concave mirror. It is the point where the image of an object is formed. The focal length is the distance between the focal point and the optical center of the lens or mirror. It is a measure of how strongly the lens or mirror converges or diverges light. **
-
What is a focal headache?
A focal headache is a type of headache that is localized to a specific area of the head. It typically occurs on one side of the head and can be described as a sharp, stabbing pain. Focal headaches can be caused by various factors such as tension, migraines, or cluster headaches. It is important to consult a healthcare professional for an accurate diagnosis and appropriate treatment. **
-
Which 50mm fixed focal length?
The 50mm fixed focal length lens is a popular choice among photographers for its versatility and ability to capture images with a natural perspective similar to the human eye. There are various 50mm lenses available from different camera manufacturers, such as Canon, Nikon, Sony, and Sigma, each offering unique features and image quality. It is important to consider factors like aperture size, build quality, and compatibility with your camera system when choosing the right 50mm lens for your photography needs. **
-
What focal length for Deep Sky?
For deep sky astrophotography, a focal length of around 400-800mm is generally recommended. This range allows you to capture detailed images of galaxies, nebulae, and star clusters while still maintaining a wide enough field of view to include surrounding stars and celestial objects. A longer focal length can help bring out more details in distant objects, but may also make framing and tracking more challenging. Ultimately, the best focal length will depend on the specific objects you want to capture and your equipment setup. **
Similar search terms for Focal-JMlab-ER3
-
Focal-JMlab AP4340The Focal AP4340 is a 4-Channel Amplifier in Class-AB. Delivers 70 Watts RMS x 4 at 4 Ohm. Delivers 95 Watts RMS x 4 at 2 Ohm. In bridged mode, 190 Watts RMS x 2 at 4 Ohm. Channel 1-2 with variable high-pass filter 60–1200 Hz. Channel 3-4 with high-pass 100–2200 Hz or low-pass 50–250 Hz as well as selectable bass boost 0, 6 or 12 dB at 45 Hz. Inputs and outputs of the preamplifier are available. Total harmonic distortion 0.06%, frequency response 10–30,000 Hz, fuse rating 15 A x 2, dimensions 340 x 50 x 235 mm. Features 4-Channel Amplifier Class-AB 70 Watts RMS x 4 at 4 Ohm 95 Watts RMS x 4 at 2 Ohm 190 Watts RMS x 2 at 4 Ohm (bridged mode) Channel 1-2: variable high-pass filter 60–1200 Hz Channel 3-4: high-pass filter 100–2200 Hz Channel 3-4: low-pass filter 50–250 Hz Channel 3-4: selectable bass boost 0, 6, 12 dB at 45 Hz Inputs and outputs of the preamplifier Technical Specifications Total harmonic distortion 0.06% Frequency response 10–30,000 Hz Fuse rating 15 A x 2 Dimensions 340 x 50 x 235 mm190,26 €*Shipping: 0,00 €Secure redirect to the provider
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Focal-JMlab SUB12DUALThe Focal SUB12DUAL is a 12 inch (30 cm) Subwoofer with polypropylene cone, ferrite magnet, and butyl surround. The nominal power is 300 W, and the maximum power is 600 W. The sensitivity is 88 dB (2.83 V/1 m). The impedance is configured with 4 Ohm + 4 Ohm. Features 12 inch (30 cm) Subwoofer Cone: Polypropylene Magnet: Ferrite Surround: Butyl Technical Specifications Nominal power: 300 W Maximum power: 600 W Sensitivity (2.83 V/1 m): 88 dB Impedance: 4 Ohm + 4 Ohm Diameter: 305 mm148,41 €*Shipping: 15,80 €Secure redirect to the provider
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Focal-JMlab SUB10The Focal SUB10 is a 10 inch 25 cm Subwoofer. The RMS power is 250 watts. The maximum power is 500 watts. The sensitivity is 85 dB. The nominal impedance is 4 Ohm. The diaphragm is made of polypropylene with a butyl surround. The voice coil diameter is 50 mm. The net weight is 4.5 kg. Features 10 inch 25 cm Subwoofer Manufacturer Focal Diaphragm made of polypropylene Butyl surround Voice coil diameter 50 mm Net weight 4.5 kg Technical Specifications RMS power 250 watts Maximum power 500 watts Sensitivity 85 dB Nominal impedance 4 Ohm101,82 €*Shipping: 14,75 €Secure redirect to the provider
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Focal-JMlab SUB12Focal SUB12 is a 12 inch (30 cm) Subwoofer with polypropylene cone and ferrite magnet. The nominal power is 300 Watts RMS, the maximum power is 600 Watts. The sensitivity is 88 dB (2.83 V/1 m). The impedance is 4 Ohm. Features 12 inch (30 cm) Subwoofer Cone: Polypropylene Magnet: Ferrite Sensitivity: 88 dB (2.83 V/1 m) Technical Specifications Size: 305 mm (12 inch) Max. Power: 600 Watts Nominal Power: 300 Watts RMS Impedance: 4 Ohm120,40 €*Shipping: 15,45 €Secure redirect to the provider
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What is the focal length 2?
The focal length 2 is a measurement that refers to the distance between the lens and the image sensor when the lens is focused at infinity. It is a key parameter in determining the field of view and magnification of a lens. A shorter focal length 2 results in a wider field of view and greater depth of field, while a longer focal length 2 provides a narrower field of view and higher magnification. **
-
Which focal length do I need?
The focal length you need depends on the type of photography you are interested in. For portraits and close-up shots, a focal length between 50mm to 85mm is ideal. For landscapes and architecture, a wider focal length such as 24mm to 35mm is recommended. If you are looking for a versatile option, a zoom lens with a focal length range of 24-70mm or 70-200mm can cover a wide range of shooting scenarios. Ultimately, it is important to consider your shooting style and preferences when choosing the right focal length for your needs. **
-
What focal length do I need?
The focal length you need depends on the specific requirements of your photography or videography project. For example, if you are shooting landscapes or architecture, a wide-angle lens with a focal length of 16-35mm may be suitable. For portraits, a focal length of 85mm or 50mm is often preferred to achieve a flattering perspective. If you are shooting wildlife or sports, a telephoto lens with a focal length of 200mm or more may be necessary to capture distant subjects. Consider the specific subject matter and shooting conditions to determine the appropriate focal length for your needs. **
-
What is the lowest focal length?
The lowest focal length refers to the shortest distance at which a lens can focus light onto the camera's sensor or film. This is typically found in wide-angle lenses, and the lowest focal length is usually around 14mm for most DSLR and mirrorless cameras. Lenses with lower focal lengths can capture a wider field of view, making them ideal for landscape, architecture, and interior photography. **
* All prices are inclusive of VAT and, if applicable, plus shipping costs. The offer information is based on the details provided by the respective shop and is updated through automated processes. Real-time updates do not occur, so deviations can occur in individual cases. ** Note: Parts of this content were created by AI.