reviews

Обзор телескопа Sky-Watcher SKYHAWK N114/500 AZ-EQ Avant

Получил на тест телескоп Sky-Watcher SKYHAWK N114/500 AZ-EQ Avant. Это телескоп с параболическим главным зеркалом диаметром 114 мм. Телескоп комплектуется универсальной монтировкой, которая может работать в альт-азимутальном, так и в экваториальном режиме.

Sky-Watcher SKYHAWK N114/500 AZ-EQ Avant
Sky-Watcher SKYHAWK N114/500 AZ-EQ Avant

Также особенностью телескопа Sky-Watcher SKYHAWK N114/500 AZ-EQ Avant является  отсутствие юстировки главного зеркала – оно уже съюстировано на заводе. Это заметно упрощает эксплуатацию, так как обычно главное зеркало требует периодической юстировки, а её проверка желательна перед каждым сеансом наблюдений. Здесь же главное зеркало зафиксировано, однако есть возможность юстировки диагонального зеркала, которое менее подвержено сдвигам. Кроме того, монтировку AZ-EQ Avant можно легко моторизировать, докупив специальный электропривод часовой оси.

ЗАЯВЛЕННЫЕ ХАРАКТЕРИСТИКИ

QHY5III462C camera review

I have been using specialized astronomical cameras for more than 10 years now and keep an eye on new matrices. During this time, sensors with small pixels, low noise and different diagonals appeared. One of the significant breakthroughs occurred in 2014 with the advent of the Sony IMX224 color sensor, which is characterized by very low read noise and high sensitivity to near-infrared radiation. Moreover, in the visible range, this sensor operates in color mode, and in the near-infrared range, color microfilters “leak” and at a wavelength of 850 nm or more, the matrix begins to operate in full monochrome mode.

Meade 70mm f/5 ED quadruplet apo telescope review

Meade provided me with an unusual telescope for testing – the Meade 70mm f/5 ED quadruplet apo astrograph. This is a four-lens (quadruplet) apochromat telescope with a built-in field flattener. The use of low-dispersion glass FPL-53 and a working field with a diameter of 42 mm are declared. The main convenience of the quadruplet is that you don’t have to select the backfocus. All you need to do is connect a camera to the telescope via a T-ring or an astronomical camera and get focus. The special features of the telescope include its exceptional photographic directivity, since due to the short travel of the focuser it will not be possible to focus with the diagonal mirror and eyepiece installed. Additionally, there is no visual adapter or eyepiece included. That is, it is only a photo telescope. However, I managed to make it work with the eyepiece, and I will also talk about it in this review.

Телескоп астрограф MEADE 70mm ED QUADRUPLET APO (f/5)
MEADE 70mm ED QUADRUPLET APO (f/5)

The telescope is supplied in a case measuring 40.5 x 25 x 18 cm, which reliably protects the tube from damage.
Included:
– optical tube in rings with mounted mounting plate
– metal covers for the lens and focuser
– adapter M48-M42
– suitcase.

SVBONY SV510 Travel Solar Scope 60mm review

I received an interesting solar telescope for testing – SVBONY SV510 Travel Solar Scope 60mm. This is a small lens telescope with a 60 mm objective lens and a built-in full-aperture solar filter. It is ONLY suitable for observing and capturing the Sun. As a lover of the Sun, I was very interested in this device, and the Svbony company kindly provided it to me for research.

SVBONY SV510 Travel Solar Scope 60mm

Specifications

Brand SVBONY
Item Name SVBONY 60mm solar telescope
Model SV510
Optical Design Refractive
Aperture 60mm
Focal length 400mm
Focal Ratio f/6.6
Objective lens type Achromatic doublet, air-spaced
Optical coatings Fully Coated
Solar Filters ISO certified polymer material , full aperture, permanently attached
Viewfinder Zero power Solar Safe Finderscope Type
Diagonal 1.25″ 90-Degree Mirror Diagonal
Eyepiece 1.25″ K20mm Eyepiece
Net weight 1985g
Package weight 2085g
Package Size 440*290*130mm

Review of the iOptron SkyHunter AZ/EQ mount

I received the iOptron SkyHunter AZ/EQ mount for testing. This is a compact mount with GoTo and two modes – alt-azimuth and equatorial. The declared load capacity is up to 5 kg.

iOptron SkyHunter AZ/EQ

Some characteristics of the mount:
Maximum load: 5 kg
Mount head weight: 1.3 kg
Metal frame structure
Built-in rechargeable battery
Slew speed: 4.5 degrees per second
Periodic error: less than 10″
Worm gears: aluminum alloy, 144 teeth, bearing-mounted
Worms: bronze, on bearings
Worm period: 600 seconds
Transmission: Synchronous belt
Built-in Wi-Fi
Remote control with LCD screen, Go2Nova GoTo system.
There is no pole finder, but there is a version+ with an electronic pole finder. This is exactly the version I had for testing.

The mount is supplied in two boxes (along with a tripod).

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