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SV550 APO Refractor Telescope Bundle Set for Starfield Shooting and Deep-sky Photography

SKU: F9381A-F9198F-W9161A-W9162A-W9163A-W9184A-W9194A
US$ 1,429.99 -30%
List Price: US$ 2,069.99
Pre-sale on Jan 10,2025 Out Of Stock

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Brand

SVBONY

Model

SV260

Name

Multi-Broadband Filter

Size

2-inch

Substrate Thickness

2mm

Clear Aperture

44mm

Wavelength Range

300-1000nm

Blocking

>OD4@350-400nm; >OD2@Hg 589nm; >OD2@Hg 435.8nm; >OD2@Na 589.6nm; >OD1@Hg 546.1nm; >OD2@Na.615.4nm; >OD3@Hg 577nm; >OD2@Na.616.1nm; >OD3@Hg 578.1nm; >OD4@720-1100nm

Peak Transmittance

90%

Surface Quality

60/40

Surface Parallelism

1/2λ

Thread

M48x0.75

Single Thread

Yes

Net Weight

12.5g / 0.44oz /0.027lb

    1. Feature

    2. 1.5-band filter captures light across a broader spectrum; Accurately reproduces the true colors of celestial objects;
      2.Multi-Broadband filter properly designed for starfield shooting and deep sky photography, enhance stars and celestial bodies details; making deep sky observations clearer;
      3.Over 90% peak transmittance;reduces light loss, boasts an SII-OIII-SII band average transmittance of over 85%; Enhances contrast between the target object and the background;
      4.300-1000nm wavelength working range; multi-bandpass filter effectively combats light pollution; providing a broader coverage area;
      5.Max OD4 cut-off depth; astrophotography filters effectively block out unnecessary light; and provide stronger light pollution suppression.

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