Review of 45 Samigon Auto Zoom 85 to 210mm Lens

According provided by lens Carenar Auto Zoom F / iv.5 85-210mm many thanks to the reader of Radozhiva - Vladimir Pivovarov.

Carenar Auto Zoom F / 4.5 85-210mm

Carenar Auto Zoom F / 4.five 85-210mm is a very simple telezoom for picture show cameras with a M42x1 / 45.5 mounting thread. Popularly, such lenses are called 'Noname' ('without a name'). Externally, Carenar Automobile Zoom F / iv.5 85-210mm is like to the same little-known Beroflex Machine Zoom F / four.5 85-210mm and Sun Motorcar Zoom F / 4.5 85-210mm and is most likely a copy of them under a unlike brand. The lens has a constant maximum aperture F / 4.five over the entire range of focal lengths. The F / 4.5 value is simply 1.55 times (half a step) lighter than the F / v.6 of the darker counterparts.

By itself, the Carenar Car Zoom F / 4.5 85-210mm is an outwardly very strange lens that has 4 parts with rubberized inserts. The part between the aperture command band and the zoom ring is decorative. The lens is well assembled, in the hands it looks like a metal billy.

Carenar Motorcar Zoom F / 4.v 85-210mm uses internal zoom (does not change size when changing the focal length), and also has a stock-still rear lens (does not move during focusing and changing the focal length). During focusing, the front of the lens rotates and, together with the focus ring, travels forward. The focus ring rotates 250 degrees.

The zoom ring is narrow and rotates very, very easily, during focusing information technology tin be easily touched and knock down the fix magnification. But the aperture band is wide, wider than most other like lenses. All rings are rubberized and pleasant to the touch. Due to the fact that it seems that there are already iv pieces of rings, you need to become used to their management, at first I often dislocated them.

Main technical characteristics of Carenar Auto Zoom F / 4.5 85-210mm

The proper noun of the instance from the review (every bit it is written on the lens itself)	Carenar Auto Zoom F / 4.5 85-210mm No.00955G
Bones properties	M42x1 / 45.5 - common 'M42' seating thread. Auto - semi-automated aperture control using a diaphragm ring and a diaphragm pusher of cameras that have it. manual focus only. internal zoom. motionless rear lens. elementary (unmarried layer) enlightenment of optics. Exact data on the type of enlightenment not found. The lens is suitable for full-format cameras. metal example. Zoom - The lens supports ii.5x zoom. constant maximum relative aperture over the entire range of focal lengths. strong metal case.
Front Filter Bore	55 mm
Focal length	85-210 mm, EGF for cameras with an APS-C sensor is approximately 128-315 mm
Zoom ratio	2.47 x
Designed by	for picture show cameras with a frame size of 36 mm X 24 mm
Number of aperture blades	half dozen rounded petals. At F / 5.half dozen, the petals form a hole with notches. At values ​​from F / eight (inclusive) to F / 22, the petals grade an irregularly shaped hexagon.
Tags	focusing distance in meters and feet. Calibration with discontinuity values ​​for F / iv.five, five.six, 8, eleven, 16, 22. The ring has no intermediate fixed values ​​between the indicated pairs of numbers. Infrared R-marking for 85, 100, 135, 210mm focal lengths. Focal length calibration for 85, 100, 135 and 210 mm.
Diaphragm	From F / 4.v over the entire range of focal lengths to F / 22, it is regulated past the aperture band, there is no switch on the lens aperture method.
MDF (minimum focusing distance)	1.8 m
The weight	exact weight unknown
Optical design	exact optical design and pattern not found
Lens hood	screwed into the front filter, marking of the original hood not establish.
Manufacturer state	Lens fabricated in japan
Release period	Unknown

On a full-length mirrorless camera Sony a7 I used the lens without any problems with adapter M42-NEX.

How to use with modern cameras?

Lenses with mounting thread M42 (M42 X 1 / 45.5), such as the lens from this review, are very easy to employ on almost any modern digital camera (both SLR and mirrorless), for this it is plenty to cull the right adapter (adapter). Y'all do not need to comport out any additional steps to alter the lens.

The cheapest adapters tin can be institute aliexpress.com... There are adapters (adapters) with a chip that provide more convenience during shooting, commonly chips are used to confirm focus and / or metering exposure, and class the right EXIF. The scrap does not affect the prototype quality in any way.

For some SLR cameras (for example, Nikon F) it is necessary to utilise adapters with a corrective lens, which allows correct focusing at all focusing distances. For whatever mirrorless camera, such a lens is not needed, and the adapter is a elementary decorated hollow metal tube with an advisable mount.

For SLR cameras

1. CANON: For cameras Catechism EOS with bayonet mountain EF / EF-S need an M42-Canon EOS adapter, such an adapter with a bit tin be found herewithout chip hither.
2. NIKON: For cameras Nikon DX / FXas well as for cameras Fujifilm и Kodak with a Nikon F mountain, you need an M42-Nikon F adapter, you can buy such an adapter without a lens and a fleck hither, with a lens without a fleck herewith flake without lens here, with lens and flake here. Why a lens? Why chip?
3. PENTAX: For cameras Pentax with mount One thousand yous demand an adapter M42-Pentax Chiliad, y'all tin can buy such an adapter hither.
4. SONY/MINOLTA: For cameras with a Sony / Minolta A mount, you need the M42-Sony A adapter, yous tin find such an adapter without a chip at this linkwith a chip at this link.
5. OLYMPUS / PANASONIC / LEICA: For cameras with a 4/three bayonet mount (not to be confused with Micro four/iii!) You demand an M42-four / three adapter, yous can buy such an adapter here.

For mirrorless cameras

1. SONY: For cameras with an 'E' series mount SonyNEX и Sony Alpha you need an adapter M42-Sony Due east (aka M42-Sony Nex), you tin find it at this link. An autofocus adapter is also available for these cameras. Techart PRO Leica M - Sony East Autofocus Adapterwhich can be found at this link.
2. OLYMPUS / PANASONIC / KODAK /  XIAOMI: For cameras with a Micro iv/three bayonet mountain (Micro 4: three), you lot need the M42-Micro 4/3 adapter, y'all tin detect information technology at this link.
3. CANON M: For cameras with a bayonet mount Catechism EF-Yard need adapter M42-Canon M, it can be establish at this link.
4. Canon R: For cameras with a bayonet mountain Catechism r need adapter M42-Canon R, it can be found at this link.
5. Nikon i: For cameras Nikon ane Serial demand adapter M42-Nikon one, you can find information technology at this link.
6. Nikon Z: For series cameras Nikon Z need adapter M42-Nikon Z, it can exist found at this link.
7. FUJIFILM X: For cameras with mountain X need an M42-Fuji X adapter, yous can find it at this link.
8. FUJIFILM GFX: For medium format cameras G-mount need M42-Fuji GFX adapter, yous can find it at this link.
9. SAMSUNG: For cameras with NX mount need adapter M42-Samsung NX, yous can find it at this link. For the camera Nx mini adapters practice not be still.
10. PENTAX: For cameras with Q mountain need an adapter M42-Pentax Q, y'all can notice it at this link.
11. SIGMA / PANASONIC / LEICA: For cameras with L mountain, you lot need the M42-Leica L adapter, you tin can find information technology at this link.
12. LEICA: For cameras with a Leica Thousand mount demand adapter M42-L / M, you tin can find it at this link.

If y'all have any questions on compatibility and adapters - ask in the comments (comments practice not crave whatsoever registration at all).

Carenar Auto Zoom F / 4.v 85-210mm

Carenar Auto Zoom F / 4.5 85-210mm

Image quality

Lens very weak... It has mediocre sharpness at wide apertures, especially at the 210mm focal length. Sharpness 'floats' as the focal length changes. Sharpness gets better at f / 8.0, but still getting good sharpness with a lens is nearly impossible. As well, the pic from the lens is clogged with chromatic aberrations at any discontinuity value.

Well-nigh probable, Carenar Auto Zoom F / 4.v 85-210mm uses a very simple enlightenment, which makes y'all agape of backlight like fire. Even in side calorie-free, the lens manages to fill half of the picture with white shroud. Perhaps the utilise of at least some kind of hood will aid in this matter. Lens gives low contrast and a faded picture.

A small number of aperture blades also negatively affects image quality. On open apertures, the groundwork blur is simple, and, in general, quite pleasant.

You tin can download RAW source files past this link (32 files in the '.ARW' format 724 MB). All photos in the gallery above are on-camera JPEG from the photographic camera Sony a7.

Carenar Auto Zoom F / iv.5 85-210mm

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Results

The Carenar Auto Zoom F / four.5 85-210mm lens is perfectly assembled, with an interesting body design, internal zoom and constant aperture over the unabridged range of focal lengths. But the epitome quality of the lens did not work out.

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Source: https://radojuva.com/en/2015/08/carenar-auto-zoom-4-5-85-210/