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SVBONY SV183 Telescope Filter, IR Pass Filter, 2 Inch 685nm Reduce The Effects of Seeing for Planetary Photography Contrast Enhancement

4.1 4.1 out of 5 stars 17 ratings
$39.99
FREE Returns
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2inch
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Purchase options and add-ons

Brand SVBONY
Material Glass
Photo Filter Thread Size 44 Millimeters
Coating Description Multi Coating
Photo Filter Effect Type Ultraviolet
Water Resistance Level Not Water Resistant
Product Dimensions 2"L x 2"W

About this item

  • SV183 IR Pass 685nm filter; M48*0.75 thread; standard 2 inches can be connected with eyepieces or telescope cameras with the same thread to achieve the purpose of observation or shooting
  • Telescope filter cell is made of lightweight; strong metal and is CNC machined; sand-blasted; black anodized; and then laser engraved
  • The IR Pass filter blocks wavelengths below 670nm; reduce the effects of seeing when used in IR-LRGB imaging of the moon and planets
  • Sufficient reduction of seeing effects; heightened contrast; the IR Pass filter can be a great asset for daylight IR-imaging with a digital camera lessening seeing effects and improving contrast when utilized for lunar and planetary imaging
  • The IR Pass 685nm filter is made with high-end glass that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength
  • The filter can darkens the twilight sky background; allowing images of moon and planets to be taken at dawn or dusk
  • The IR Pass 685nm filter is presented in a quality filter box; protects the product from damage in transit and facilitates storage when not in use

Frequently bought together

SVBONY SV183 Telescope Filter, IR Pass Filter, 2 Inch 685nm Reduce The Effects of Seeing for Planetary Photography Contrast E
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Price$39.99$51.99-10% $31.21
Typical: $34.59		$19.99$24.99-6% $50.97
List: $53.99
Delivery
—
Get it as soon as Thursday, May 30
Get it as soon as Tuesday, May 28
Get it as soon as Thursday, May 30
Get it as soon as Tuesday, May 28
Get it as soon as Tuesday, May 28
Customer Ratings
4.14.1 out of 5 stars17
4.44.4 out of 5 stars645
4.34.3 out of 5 stars60
4.64.6 out of 5 stars147
4.64.6 out of 5 stars218
4.24.2 out of 5 stars45
Value for money
—
4.2
—
4.3
4.5
3.5
Brightness
—
4.0
—
4.6
4.3
3.8
Sold By
SVBONY Direct
SVBONY Direct
TELESCOPE ACCESSORIES OF YUXIANG
SVBONY Direct
SVBONY Direct
Astromania Optics
thread size
44 millimeters
2 inches
42 millimeters
50.8 millimeters
50.8 millimeters
51 centimeters
photo filter effect
Ultraviolet
Enhancing
Enhancing
Enhancing
Ultraviolet
Ultraviolet
material
Glass
Aluminum, Optical Glass
Aluminum
Optical Glass, Plastic
Glass, Plastic
Plastic
water resistance
not water resistant
not water resistant
not water resistant
not water resistant
not water resistant
not water resistant

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SVBONY SV183 Telescope Filter, IR Pass Filter, 2 Inch 685nm Reduce The Effects of Seeing for Planetary Photography Contrast Enhancement

SVBONY SV183 Telescope Filter, IR Pass Filter, 2 Inch 685nm Reduce The Effects of Seeing for Planetary Photography Contrast Enhancement

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Product Description

SV183 Telescope Filter
IR Pass 685nm Filter
IR Pass 685nm Filter

Very Sharp Removes IR Frequencies Below 670nm

Removes glare and making it easier for me to capture details of planets with camera (here is the tested transmission/absorption curves)

What can you get with SV183 IR cut filter?

The function of filter is to limit the amount of light traveling through the eyepiece, cut down the light to a reasonable level.

This filter lets you seen the moon and other planets much more clearly by blocking some of the glare, sharpening the details, giving just the right amount of contrast.

So you can see the mountains and valleys much better and much more comfortable now.

Package Details：

1 x IR PASS 685nm Filter-2Inch

1 x PP Plastic Box

IR Pass 685nm Filter

IR Pass 685nm Filter

SV183 Telescope Filter

Quality Material

CNC machined black anodize aluminum shell and laser engraved logo, sturdy and accurate

Handy Hard Case

Every filter is in its own sturdy plastic box with clear lid. High pressure EVA case with lining can protect your filters when not in use

Good Gift

This is a good astronomy gift for your family, friends or for yourself. Affordable and powerful filter for astrophotography

SV183 Telescope Filter

2 inches IR-pass Filter

---Reduce reasonable level brightness and see more Planetary details.

---The filter actually screws into the end of most eyepieces then that eyepiece slides into your scope. You can also thread it into the end of some barlow lens that has filter threads in its lens barrel.

SV183 Telescope Filter

Good Coating Filters

High-end multi-coated glass with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength.

---This is a good item to view the moon and other planet. Because sometimes the moon is too bright especially as it's waxing to view it comfortably.

Specification:

Product Name: IR Pass 685nm Filter
Glass Thickness 1.1mm
Size: 2-Inch
Substrate Thickness: 1.1mm
Clear Aperture: 44mm
Wavelength Range: 350-1100nm
λcut-on: 670nm
Blocking: OD2@400-660nm
Peak transmittance: 670nm@T=50% 673-1100nm@T>95%
Surface Quality： 60/40
Surface parallelism: 1/4λ
Parallelism: 30”
Material： Aviation Aluminum 6061T6
Thread: M48*0.75
Single Thread: Yes
Net Weight: 16.15g / 0.53oz /0.03lb

Customer reviews

4.1 out of 5 stars
4.1 out of 5
17 global ratings
Unremovable dirt spots on the filter glass
1 Star
Unremovable dirt spots on the filter glass
There are some unremovable dirt spots on the filter glass. Added this filter in front of 2X Barlow in astrophotography and those spots can be seen clearly in the final image.
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Top reviews from the United States

Jason H.
1.0 out of 5 stars Unremovable dirt spots on the filter glass
Reviewed in the United States on November 16, 2021
Size: 1.25inchVerified Purchase
There are some unremovable dirt spots on the filter glass. Added this filter in front of 2X Barlow in astrophotography and those spots can be seen clearly in the final image.
Customer image
Jason H.
1.0 out of 5 stars Unremovable dirt spots on the filter glass
Reviewed in the United States on November 16, 2021
There are some unremovable dirt spots on the filter glass. Added this filter in front of 2X Barlow in astrophotography and those spots can be seen clearly in the final image.
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Customer imageCustomer image
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Amazon Customer
2.0 out of 5 stars Wrong size
Reviewed in the United States on January 20, 2024
Size: 2inch
Waited 3 weeks for this 2 inch filter and they delivered me the 1 inch. Works ok
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Top reviews from other countries

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Al-Sama
5.0 out of 5 stars Es bueno 👌
Reviewed in Mexico on April 10, 2023
Size: 1.25inchVerified Purchase
La primera imagen es con mi Sony a6000 y la segunda con una cámara dedicada IMX294. Buen filtro de paso infrarrojo para mitigar los efectos de un mal seeing 👌
Recomendable.
Customer image
Al-Sama
5.0 out of 5 stars Es bueno 👌
Reviewed in Mexico on April 10, 2023
La primera imagen es con mi Sony a6000 y la segunda con una cámara dedicada IMX294. Buen filtro de paso infrarrojo para mitigar los efectos de un mal seeing 👌
Recomendable.
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Customer image Customer image
Customer imageCustomer image
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