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The American Dream (Idaho part)

Wong Chap Him Timmy

Photographer from Hong Kong

The American Dream (Idaho part)

 

21 Aug 2017 was a special date, especially for those who are fascinated by astronomy. It was the date which the total solar eclipse, a.k.a. The Great American Eclipse took place across USA. I would love to share my journey to all of you. No matter whether you are interested in travelling, photography or astronomy, I bet you will like it.

 

The trip was 2-week long and thus, I am planning to split the trip into 4 different parts as this would allow me to write it systematically. This is the second part - “Idaho”.

 

 

The flight from Hong Kong to Boise, Idaho was about 16 hours including transit at Seattle.

 



 

 

Our footprints throughout day 1 to day 4.

 

Day 1: Idaho (Boise -> Lowman)


 

(Taken with Huawei P10 Plus)

 

 

Southfork Lodge, Lowman, ID

 

It took quite a while for us to reach our first stop in USA - Boise, Idaho, after a long haul flight and a transit. We immediately picked up our cook and headed off to do some shopping, food and necessary things before travelling. Later on we had a two hour drive to Southfork Lodge in Lowman and we rested for a night. The decoration of the lodge is a typical USA one (to us), made of wood and rock with deer head decor hanging on the wall.

 

 

(Taken with Canon EOS 6D with Samyang 35mm F1.4 AS UMC)

 

Kirkham Campground, Lowman, ID

 

 

Best recreation activity after supper - photo shooting! Since this was the first day of the trip, we did not waste any time and thus decided to take a short drive from the lodge. Upon arrival, I spotted a slope with pine trees that could maybe be a good topic for a star trails photograph.

 


(Taken with Canon EOS 6D mark II with Samyang XP 14mm f/2.4)

 



 

Kirkham Campground, Lowman, ID

 

While one of the cameras was capturing the star trail photo, I setup another one for an astroscape photo. To avoid a black and empty foreground, I had to catch the moment when there was a car driven by and also with the lights in the campground. A 30 second exposure will be long enough in order to get a bright image with stars pinpoint sharp.

 

 


(Taken with Canon EOS 6D mark II with Samyang 35mm F1.4 AS UMC)

 

Pettit Lake, Idaho

 

Slept for a few hours back in the lodge before heading to the next location - Pettit Lake, Idaho. This location was not planned in our schedule due to the amount of crowd and light pollution that there would be at night in Redfish Lake. Upon arrival, we spent the whole afternoon in the car, had a nap and woke up right before sunset time.


 

 

 (Taken with Canon EOS 6D mark II with Samyang 35mm F1.4 AS UMC)

 

Pettit Lake, Idaho

 

The “blue hour” in USA is remarkably longer than in Hong Kong due to its latitude.

Clouds started to disappear when daylight faded out and we knew it was going to be a long night.

 

 

 

 (Taken with Canon EOS 6D mark II with Samyang XP 14mm f/2.4)

 

Pettit Lake, Idaho

  

It’s a different aspect of the nature while you set up a tent and enjoy the stargazing in the wilderness.

 

 


 (Taken with Canon EOS 6D mark II with Samyang XP 14mm f/2.4)

 

Pettit Lake, Idaho

 

The night sky is crystal clear and the Milky Way is so bright and being reflected on the surface of the calm Pettit Lake.

 

 


 
(Taken with Canon EOS 6D mark II with Samyang 35mm F1.4 AS UMC)

 

Pettit Lake, Idaho

 

Sometimes, simple is beautiful.

 


(Taken with Canon EOS 6D mark II with Samyang XP 14mm f/2.4)

 

Pettit Lake, Idaho

 

The mirror of Pettit Lake reflects the Earth’s rotation perfectly. The result is totally above our expectations since it is so rare to have a lake this calm for so many hours.

 

 


(Taken with Canon EOS M with Samyang 35mm F1.4 AS UMC)

 

Pettit Lake, Idaho

 

 

35mm focal length is sometimes good enough for astrophotography. It allows you to capture a relatively wide field of view with some nebulae and features. Although half of the image was affected by the brightness of the Zodiacal light, the outcome was still good that you can tell the dust and gases surrounding the constellation Orion.

 

 


(Taken with Canon EOS 6D with Samyang 35mm F1.4 AS UMC)

 

Pettit Lake, Idaho

 

A selfie of us under the starry night sky before astronomical twilight. The sky starts to bright up and we are about to call an end to the shooting.

 

 


 (Taken with Canon EOS 6D mark II with Samyang 35mm F1.4 AS UMC)

 

Pettit Lake, Idaho

 

This is some kind of scenery that cannot be seen in Hong Kong. A thin layer of mist on the calm surface of the lake alongside with the perfect reflection of the red highlighted peaks.

 

 


(Taken with Huawei P10 Plus)

 

Howe, Idaho

 

By noon time we arrived our destination which overlaps with the path of the solar eclipse - 43.944515, -113.130523. Thus, in theory, it is the exact spot where we can observe the whole process if the weather is good. We spent our day time to try with different composition and angle in order to utilise the time being.

 

 


(Taken with Canon EOS 6D with Samyang 35mm F1.4 AS UMC)

 

Howe, Idaho

 

Clouds started to disappear later that evening. With the advantage of using the “Astro-Multispectra” filter manufactered by STC from Taiwan, the Milky Way gains more contrast and more vivid in colours, also, the filter suppress the light pollution from horizon. The result is way above my expectations.

 

 


(Taken with Canon EOS 6D mark II with Samyang 35mm F1.4 AS UMC)

 

Howe, Idaho

 

A random shooting star slashed across the Big Dipper with a faint skyglow in the background.

 

 


(Taken with Huawei P10 Plus)

 

Howe, Idaho

 

21 August 2017, we knew it would be a busy day. In the morning we setup all the cameras available and prepared for the final check. We all got more nervous when the countdown was about to kick off, after a year of planning.

 

 


(Taken with Canon EOS 6D mark II with Tamron 55BB)

 

Howe, Idaho

 

The climate committed and the weather was as fine as what we expected. This was my first total solar eclipse observation and of course, there were things that went wrong which could have been avoided. Nevertheless, this was a great experience and we can learn for next time.

I used a tele lens to capture the whole process of the total solar eclipse at a time sequence, so that I can generate an image like this with all the features.

 

 


(Taken with Canon EOS 6D with Samyang XP 14mm f/2.4)

 

Howe, Idaho

 

I also setup a camera with a wide angle lens for behind the scenes purposes. This allowed me to capture the change in the sky and myself within that two and half minutes.

 

The moment before totality, I can see the shadow swept from the west and I turned myself back to the east to witness the totality. At totality, I was astonished with what I saw, pure awesome. The universe is just insane.


 


(Taken with Canon EOS 6D mark II with Tamron 55BB)

 

Howe, Idaho

 

This is only visible at totality, when the moon is located exactly in line with the sun and blocks the light. Solar corona is clearly visible and also Regulus (on the left), the brightest star in the constellation of Leo. The solar corona reminds me of the good old days back in university, studying for my final year project related to the heating mechanisms of the solar corona.

 

After the eclipse, we cleaned up the area and had a nice rest in Pocatello before the second part of the adventure. Please stay tuned for part 2 - Wyoming.


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森养最佳标准画角提案解析

从人与人之间的关系乃至为了营造美丽的空间而布置装饰品时都需要保持适当的距离。那么,为了更好地欣赏美术或摄影作品,我们应该保持多少距离?

答案是相当于“作品框架对角线的长度”的距离。

표준화각 자료 이미지
표준화각 자료 이미지

为了将作品完整地纳入视野并予欣赏,保持相当于作品对角线的距离为宜。如果距离过近,将大于人眼可集中精力的50°视角而无法取的良好的欣赏效果。

为了最佳欣赏效果与最佳视角而保持理想距离也适用于摄影技术。在拍摄静止画像的摄影技术中,将等于摄像面对角线长度的焦距镜头定义为标准镜头。数码相机的全帧传感器尺寸为36x24毫米,其对角线距离约为43.26毫米,标准镜头应为多少毫米以下的最理想答案可以称为“接近43.26毫米的数据”,而难以断定是至今被视作标准镜头代名词的“50毫米”。

以往与胶片对角线长度相仿的45mm画角镜头较为常见,随着SLR相机大获成功,为了保留可容纳反射镜的空间,50mm被视作标准镜头。但是,最近随着无反相机底边大幅放大, 鉴于无反相机法兰距短的特点,需要将标准镜头的画角以45mm再度予以解释,由此开始研发AF 45mm F1.8 FE。 与35mm画角镜头相比,三阳的AF 45mm F1.8 FE将畸变现象降至最低,且比55mm画角拍摄范围宽,为人物、风景、建筑物及宠物等各种主题摄影呈献令人满意的效果。

什么是预设光圈功能?

在预设光圈功能中,光圈可以像”控制环操作音消除(De-click)镜头“一样丝滑驱动,为视频拍摄提供支持。

富士相机的设计根据最小曝光量(F-stop)控制光圈,当相机控制光圈时,会依靠短暂闪烁来调节曝光。而AF 75mm F1.8 X不会向机身传送光圈信息,这种刻意的“预设光圈功能”无需闪烁就可让平滑的曝光调节变为可能。只需控制光圈就可以使ISO和快门速度适应不同的曝光环境,因此即使采用1/2 F-stop也依然可以调节曝光。

什么是预设光圈功能?

在预设光圈功能中,光圈可以像”控制环操作音消除(De-click)镜头“一样丝滑驱动,为视频拍摄提供支持。

富士相机的设计根据最小曝光量(F-stop)控制光圈,当相机控制光圈时,会依靠短暂闪烁来调节曝光。而AF 75mm F1.8 X不会向机身传送光圈信息,这种刻意的“预设光圈功能”无需闪烁就可让平滑的曝光调节变为可能。只需控制光圈就可以使ISO和快门速度适应不同的曝光环境,因此即使采用1/2 F-stop也依然可以调节曝光。

有哪些预设光圈功能的使用建议?

预设光圈功能仅能在视频拍摄模式下运行。 建议在f/1.8光圈和A、M曝光模式下使用该功能。有关“预设光圈功能”的使用建议请参考上表。

* 预设光圈功能的使用方法

1) 设置相机机身
      AF模式 → 视频拍摄模式(“A”或“M”模式)→ 光圈值固定在f/1.8
(2) AF 75mm F1.8 X镜头设置
      将“自定义开关”切换为“模式2(M2)”
(3) 使用对焦环调整预设光圈

有哪些预设光圈功能的使用建议?

预设光圈功能仅能在视频拍摄模式下运行。 建议在f/1.8光圈和A、M曝光模式下使用该功能。有关“预设光圈功能”的使用建议请参考上表。

* 预设光圈功能的使用方法

1) 设置相机机身
      AF模式 → 视频拍摄模式(“A”或“M”模式)→ 光圈值固定在f/1.8
(2) AF 75mm F1.8 X镜头设置
      将“自定义开关”切换为“模式2(M2)”
(3) 使用对焦环调整预设光圈

Dolly shot是什么?介绍摄影办法

[Dolly Shot是什么?]

一般利用带轮子的车,根据调整相机变焦的速度前后移动拍摄的技术。这导致被摄体和背景的倍率差异,从而将梦幻效应记录在视频中。

[简单用手持拍Dolly shot的方法]

Tip.如果移动距离长,相机可能会晃动,请在35~100mm区间拍摄。
1.距离被摄体约1.5~2m左右。
2.将自定义开关切换到MF和Mode3后,将视角设定在100mm左右。
3.通过调节对焦环聚焦被摄物,然后将光圈设置为F8~16。
4.利用上身和手臂,将相机靠近被摄体,将变焦操作慢慢向左(广角方向)转动。
5. 完成Dolly shot!
※在与拍摄对象更远的距离拍摄时,使用卡丁车或万向稳定器等,可以更稳定地进行拍摄。

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* Cameras released within 5 years from 2019 are tested.

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