LensTip.com

Lens review

Sigma C 65 mm f/2 DG DN

27 February 2021
Maciej Latałło

3. Build quality

A launch of a full frame 2/65 lens is a very interesting and bold move. Its focal length is a bit longer than that of 50-58 mm so it cannot be considered to be a classic standard. On the other hand portrait lenses usually start near 85 mm and if any producer wants to reduce that value they never descend lower than 70-75 mm. By the way the 70-75 mm instruments appeared on the market only recently (with an exception of the Pentax) and with these devices we decided to stack our Sigma up. Additionally, we put the Voigtlander Apo-Lanthar in our chart but in this case you have to remember you deal with a macro lens. It is clear that the Sigma features a greater complexity of optics as it consists of as many as 12 elements. When it comes to physical dimensions the APO-Summicron-SL 75 mm f/2 ASPH dominates so the Sigma can hardly be called the biggest and/or the heaviest.

In the photo below the tested Sigma is positioned next to the reflex camera Sigma A 35 mm f/1.4 DG HSM, and the Voigtlander Apo-Lanthar 2/65 Macro we talked about earlier.

Sigma C 65 mm f/2 DG DN - Build quality

The Sigma C 65 mm f/2 DG DN starts with a metal mount that surrounds a contact plate and a black, matt 28×22 mm frame. Right below that frame you find a rear element which doesn't move and is 29 mm in diameter.

Sigma C 65 mm f/2 DG DN - Build quality

The proper body of the lens starts with a smooth, metal ring painted black. On that ring you can find a lot of information and features – an inscription with the name and parameters of the lens, the logo of the producer, a letter 'C' meaning the lens belongs to the 'Contemporary' series, '020' meaning the model year, a serial number, a white dot, making an alignment with a camera easier, and a focusing mechanism mode switch (AF/MF)

Please Support Us

The coronavirus crisis has been adversely affecting many businesses and, sad but true, ours is not an exception. Despite that difficult situation we would like to preserve continuity and high quality of publications available on all our websites. Still, we are now aware it might be impossible without additional financial help. That's why we would like to ask all those who visit, read, and care about Optyczne.pl, LensTip.com i Allbinos.com for support - it's enough you send us a small sum of money via PayPal. If a lot people decide to support our websites we think we'll stand a chance and survive next months without any lasting harm. We count on your support and understanding, stay safe and be healthy.

- - - - - - - - - - - - - - - - - advertisement - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Sigma C 65 mm f/2 DG DN - Build quality

Another ring, 7.5 mm wide, controls aperture values. On both sides of the ring you can find convex ribbing, added for a firmer grip and better ergonomics. The ring has aperture marks from f/2.0 to f/22, with itermediate points every 1/3 EV, and also an A value that allows you automatic control of parameters from the level of a camera menu. Its performance is beyond reproach.

Then you see an immobile part of the casing with an inscription 'MADE IN JAPAN' and the focusing mechanism range:„0.27M/0.89FEET–∞”

Sigma C 65 mm f/2 DG DN - Build quality

The next ring,19 mm wide, is used for manual focusing. It doesn't feature any markings and its main part is ribbed to improve your grip. It is a focus-by-wire construction and it moves quite smoothly. Even if you turn it quickly the focus throw amounts to over 210 degrees, a pretty high value, certainly allowing you very precise settings.

The lens ends with an immobile, metal ring on which you can find a hood mount. The mount is surrounded by a non-rotating filter thread, 62 mm in diameter.

The front element is 33 mm in diameter and it doesn't move. It is surrounded by a black fragment of casing, this time without any inscriptions.

Sigma C 65 mm f/2 DG DN - Build quality

When it comes to optical construction you deal here with 12 elements positioned in 9 groups. One element is made of low dispersion SLD glass and two others are aspherical.Inside you can also find a round aperture with nine blades which can be closed down to a value of f/22 at the maximum.

Sigma C 65 mm f/2 DG DN - Build quality

Buyers get in the box: a metal hood, a rear cap and two front caps – one classic, made of plastics, the other magnetic and made of metal, a really cool solution. Series C accessory kits don't include any kind of case.

Sigma C 65 mm f/2 DG DN - Build quality