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New OPTOLONG 2" LRGB Imaging Filters&Wheel&H-Alpha 7nm 2" Filter for Photography

Product Description

 New 2-inch multiple 5-Position Manual Filter Wheel for Astrophotography to CCD Camera w/ M48 to 2" T Adapter

This
2" filter wheel lets you use up to 5 different filters and change them
within just a few seconds. Whether for astrophotography or visual
observing - your filters are always ready to use. Use the filter wheel
with UHC, OII, CLS and other filters, for example - which lets you
quickly and easily find the best filter when visually observing. Imagine
you have a camera mounted on the telescope and have to switch between
different filters and quickly as possible. This is only possible using a
filter wheel. A handy rotary wheel offers you incredibly fast switching
between up to 5 different filters.

The
telescope side of the filter wheel comes supplied with a 2" adapter,
allowing you to quickly and easily attach it to your focuser. The filter
wheel also has a T-2 thread on the telescope side for other adapters.
On the accessory side, you will also find a T-2 and M48 thread. You can
connect your camera or eyepiece connector here. The filter wheel
interior is absolutely light-tight - allowing you to image without any
reflections or stray light.

Features :

  • 100% Brand New and Never Used
  • Filter positions indicated by the numbers 1-5, takes any standard 2" filter
  • Sturdy aluminum housing makes it also suitable for heavy cameras, accessory-side T-2 and M48 threads
  • The
    2" filter wheel lets you use up to 5 different filters and change them
    within just a few seconds, you can also leave your filters mounted in
    the filter wheel, as they are optimally protected from dust and damage
    there
  • The telescope side of the filter wheel comes supplied with
    a 2" adapter, allowing you to quickly and easily attach it to your
    focuser.
  • The filter wheel interior is absolutely light-tight - allowing you to image without any reflections or stray light
  • Color: Black
  • Net Weight: 703g/24.79oz

New 2" OPTOLONG LRGB Imaging Filter Set for Deep Sky and Planetary Photography Astronomy Camera Filter

A. About Optolong's LRGB Filter Set

The
Optolong LRGB Filter Set is designed for maximum contrast and with
extremely high gradients for clear differentiation of colors. The LRGB
filter set divides the spectrum into its components: red, green, blue
and luminance.

The
OIII emission overlaps on blue and green filters with maximum
transmission to allow high efficiency and natural color imaging. The gap
between green and red filters serves to block out the primary Sodium
(Na) light pollution line at 589nm and improves color balance and
separation.

B. Main Uses and Performance

  • Works well with delayered monochrome CCD cameras.
  • Suitable for deep sky and planetary CCD imaging.
  • RGB imaging allows equal weighting factors for each channel which is very important for automated imaging.
  • The
    ideal raw material for image processing in the sRGB color space is
    available with the LRGB filter set and a monochrome CCD camera.

C. Spectral Curve Transmission Characteristics

  • 95% transmission at passband.
  • High and precise blocking of offband.
  • It also blocks out infrared wavelengths (700-1100nm) so a separate IR cut-off filter is not required for imaging applications.

D. Technical Specifications

  • Both surfaces are fine optically polished, accurate to 1/4 wavelength or better, and parallel to within 30 seconds or arc.
  • Very high surface quality of 60/40 or better (US Military Spec MIL-O-13830).

E. Optical Coating Specifications

  • Multi layer anti-reflection coated.
  • Non-cementing optical substrate coating.
  • Electron-beam
    gun evaporation with Ion-assisted deposition coating technology for
    durability and resistance to scratching, as well as stability on CWL
    (central wavelength) so that there is no deviation due to temperature
    changes during use.
  • Precise and homogeneous coatings ensure high values of desired passband and blocking of unwanted offband.
  • Every single filter is tested and passed by Optolong before shipping to dealers.

F. Other

  • 2" astronomy filter with standard M48x0.75 male filter thread (no female thread, so it cannot be stacked with other filters).
  • Ultra-thin filter cell to minimize vignetting; clear optical aperture of 45mm.
  • Precision
    CNC-machined metal filter cell with sand blasted black anodized finish,
    anti-reflection treatment, and laser engraving.
  • High quality protective plastic storage case.

OPTOLONG H-Alpha 7nm 2" Filter Narrowband Astronomical Photographic Filters

Because
H-A is 656nm mainly through the high permeability of the spectrum, and
656nm spectrum of the color presented by the red-based, 300-1100nm
cut-off depth to get the details of the launch nebula richer. Extremely
narrow bandwidth allows only the 656nm band to pass through the filter,
can effectively cut off the artificial light Na lamp and Hg lamp
interference to make the transmission line through, so as to improve the
nebula contrast. With CCD is better choice for deep sky photography and
wide-field astrophotography.

Craftsmanship:

  • Optical high-precision double-sided polishing to ensure that does not affect the image quality of the image.
  • Precision double-sided optical coating, non-two-piece glue, effectively improve the transmittance and cut-off depth.
  • Electron Gun Evaporation Technology
  • Ion
    source assisted coating technology (IAD), to improve the density of the
    film to ensure that the filter wavelength to minimize the impact of
    temperature caused by the temperature drift.
  • High uniformity planetary wheel coating fixture to improve the uniformity of the filter wavelength
  • Optical equipment professional fine sandblasting and anode treatment, the box to do extinction treatment to prevent reflection
  • Laser engraving LOGO-never fades, fade
  • Metal frame, superior aviation aluminum

Features:

  • High cutoff is effective has been the light damage and other stray light interference
  • For the emission line 656nm transmittance of 85% or more
  • Frame with high-quality aluminum alloy material, anodized extinction treatment
  • With SII, H-Alpha, OIII shooting, that SHO Filter, post-synthesis "Hubble"
  • The
    narrow-band filter, even in areas where light pollution is heavy, and
    the full moon (the moon's largest and brightest) is the same, very
    narrow bandwidth, which reduces the interference of the external
    environment, but the haze and cloudy The weather is not possible.
  • Carton PP environmentally friendly materials, simple and beautiful
  • Lined with double-layer EVA damping cotton
  • Precision CNC integrated molding
  • Multi-layers anti-reflection coating
  • Thread: M48*0.75

 Package Include:

  • 1 x 2-inch Multiple 5-Filter Wheel
  • 1 x M48 to 2" T Adapter
  • 1 x M48 to 2" nosepiece adapter
  • 1 x 48mm Male to Male adapter
  • 1 x 48mm locking ring
  • 1 x Installation Tools
  • 1 x 2" Optolong LRGB Imaging Filter Set
  • 1 x OPTOLONG H-Alpha 7nm 2"
  • 1 x PP Material Plastic Box

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  1. CountryDelivery TimeWorking Days(not including holiday)5-78-1112-1415-1920-22>22Working Days+Saturday+Sunday5-910-1516-2021-2526-30>31United KingdomRate(item arrived)9.9%63.2%19.1%3.4%4.4%RefundAustraliaRate(item arrived)21.4%50%14.3%7.2%7.1%RefundFranceRate(item arrived)10.5%28.6%43.8%10.1%7%RefundGermanyRate(item arrived)11.1%22.2%30.3%20.9%15.5%RefundCanadaRate(item arrived)0%47.1%31.4%17.6%3.9%RefundSpainRate(item arrived)3.5%25%47.9%12.9%10.7%Refund
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    PushAuction

    On Apr-21-18 at 01:32:05 PDT, seller added the following information:

    DataCaciques

    Filed under: Eyepieces & Accessories