Posts Tagged ‘filmmaker’

Zeiss Exo lenses pros and cons

Thursday, December 22nd, 2016

exo lens

 

exo lens 1

 

 

 

 

The good

The Zeiss name lives upto its standard.

The Iphone lenses deliver excellent photo quality & video quality.

No artifacts and great sharpness. No distortion and vignetting.
The lenses are well constructed in aluminum and glass. The frame to hold the lenses is sturdy.
The bad

The screw mount can be awkward for quick swaps.

The bracket mount blocks the camera’s flash and

you’re bound to lose the tiny back caps. And they’re pretty expensive.
The bottom line

Great lenses that have increased the flexibility of shooting on the Iphone. A great set of lenses for serious photographers who are ready to spend. The lenses will be a big boon for guerilla film makers, people web streaming using iphones etc.

 

Sony E mount 85mm G master Block lens

Thursday, September 1st, 2016

1454514360000_1222775     tumblr_o2u8utiuBw1riqz0xo1_500

 

Lens Sony 85mm Block
Mount E mount
F 1.4
Min focus distance 80cm
Blades 11

 

Overall

Sony E mount 85mm G master Block lens gives great sharpness and Bokeh & capture great details. So it’s a great lens.

 

Advantage of Sony E mount lens

-          Native AF system.

-          Benefits from all of Sony’s features including Eye AF

-          Works perfect with Sony A7s II, Sony A7R II, A7R, A7s etc.

 

AF / MF switch

-          AF/MF switches

-          Programmable Fn button (defaults to Focus Hold).

One can set the button to activate Eye AF for natural and easy access to the setting during use.

 

Operations

-          Rubberized focus ring helps you operate the lens smoothly

-          Improved focus-by-wire system helps these lenses to have a more natural feel does not seem to ramp up or down in speed depending on how fast you turn it.

 

Aperture ring

-          The integration of a physical aperture ring, allows to be clicked or de-clicked with a switch which makes it a great option for video shooters, as well as photographers.

 

Physical details

-          The small ridge on the bottom of the lens ensures that the lens’s aperture and focus rings are not lying directly on any surface when the camera is laid down.

 

Some Cons

The lens is slower than other native options due to the use of an older, and louder, Linear SSM system to move the large elements precisely, which could be changed by using the Direct Drive SSM available in many current models.

 

Chromatic Aberration at F1.4

There is a noticeable amount of chromatic aberration on high-contrast edges at f/1.4 which could of course be easily corrected in post

 

Tips : It gets better as you stop down, peaking at about f/4-5.6, where it will optimize the performance. Vignetting is also very well controlled and flare is nonexistent.

 

Focus Ring

There are still no witness markings on the lens and no hard end stops which makes them less appealing for use with follow and remote focus units.

They would work well with smaller handheld gimbals rather than larger Steadicams and gimbals

 

Canon 5D Mark IV – Unconfirmed Specs

Friday, August 19th, 2016

Canon-EOS-5D-Mark-IV

Sensor : 30.4 mp or is it 28 mp

Frame rate : 7 fps

4K at 25/30 fps (120 fps at 2K)

Processor : Digi 6+

Dual Pixel Raw AF

4:2:2 / 500 mbps

So after seeing the success of Sony A7S ii, has Canon fallen back in the race ?

The basics of 360 videos

Thursday, August 4th, 2016

 

360 degree videos are moving well in a big way globally, across social media platforms, video channels, industries, and just about anywhere else videos can be used. Giving viewers a immersive viewing experience of 360 degree videos. They can be used anywhere from face book to YouTube, editorials to businesses, the world has turned to 360 degree videos to engage audiences in an interesting way.

 

 

1

 

Kindly click on the image above to get an idea of creating a 360 degree videos at a glance.

 

 

Popular 360 cameras

Today, several amateur cameras are available to capture 360 degree videos such as the Ricoh Theta, Samsung 360, Kodak SP360, Bublcam, Nokia OZO, Giroptic 360cam, or one could use the professional set of six GoPro cameras. (see image)

360 Degree Gopro Rig By Accord

 

How are 360 Videos shot

360 degree videos are video recordings of a real-world panorama (wide-angle view),one can record views in every direction at the same time, and shot using an omnidirectional camera or more than 1 camera. It’s like a virtual reality (VR) video except that you need a VR headset to view VR videos whereas you don’t need a special headset to view 360 degree videos.

 

360 video output

Most amateur cameras shoot and create 360 videos on their own, however if you use the professional gopro setup or any other multi camera setup then it would need professional post production before uploading on different medias.

 

How 360 videos are viewed

360 degree videos can be played on a computer; the mouse is used to pan around for a 360-degree surround view and a 180-degree vertical view

 

Examples of 360 videos

 

A 360 surgical training video demo

https://www.youtube.com/watch?annotation_id=annotation_4243919275&feature=iv&src_vid=VAUbacNs4MQ&v=n7ALZkPoTYQ

 

A 360 tourism promotion video

https://www.youtube.com/watch?v=aq9nXIVTkug

 

A 360 film promotion Video

https://www.youtube.com/watch?v=A6aRkhlqWuE

 

They are lately being used in…Virtual product demonstrations, Virtual site inspections, Event marketing etc

 

 

 

 

 

Sony A7s ii – Our take

Friday, May 13th, 2016

sony-alpha-a7-ii copy

 

Sony A7s II is great for shooting documentaries (due to its low light capability) and for films (due to its 4k capability with Slog 3)

It is markedly improved over the A7S. The newer version adds

- Built-in 5-axis image stabilization

- Records 4K video internally with full pixel readout (on SDXC memory cards)

- Records S.log 3

- Bigger Magnesium Alloy chassis gives better grip

Video record button can now be set to a function button  sony a7s II

Other advantages

- High ISO – 100-102,400. Goes upto 409600. (Good results upto 64000)

- Built in wifi capability to connect with a smart phone or tablet

- Records 120fps at full HD

- Possible to charge the camera via USB port

- Sensor – 35 mm full frame (35.6 x 23.8 mm), Exmor CMOS sensor

Recording format

- A7S II uses a 12.2MP full-frame chip (4,240 x 2,832 pixels)

- Records on XAVC-S codec at 3,840 x 2,160/25p at 100 Mbps / 8 bit

- Colour sampling 4:2:0

Lens Mount:  E-mount

Audio In: 3.5 mm Stereo minijack

Audio Out: 3.5 mm Stereo minijack

Video Out: micro-HDMI

Battery: Rechargeable battery pack NP-FW50