Monday, January 20, 2020

Hybrid - zrkadlovka, polozrkadlovka a bezzrkadlovka

Hybrid - zrkadlovka, polozrkadlovka a bezzrkadlovka



Hybrid - zrkadlovka, polozrkadlovka a bezzrkadlovka v jednom



Kapitoly:
1. Nevýhody súčasných bezzrkadloviek a zrkadloviek
2. Technický popis hybridu
3. Fotografovanie v režime zrkadlovky
4. Fotografovanie v režime polozrkadlovky
5. Fotografovanie v režime bezzrkadlovky
6. Na aký druh fotenia je ktorí režim najvhodnejší
7. Jednoduchosť výroby
8. Ďalšie zjednodušené hybridy









cituji:

8. Ďalšie zjednodušené hybridy


A) Hybrid polozrkadlovka + bezzrkadlovka
Technicky najjednoduchšie riešenie. Polopriepustné zrkadlo je pevné, nedá sa sklopiť.
Výhody:
- ušetrí sa zložitý mechanizmus rýchleho sklápania zrkadla
- možnosť prachotesne utesniť priestor snímača tak aby sa na ňom nemohla usadiť nečistota.
Nevýhody:
- v každom režime fotografovania, a to počas zaostrovania i počas snímania by došlo k strate 1/3 svetla, tj. akoby bol nasadení objektív s o 1/2 väčším clonovým číslom (napr. objektív s clonou 2,8 akoby mal clonu 3,4). Hĺbka ostrosti by ale zostala zachovaná ako pri 2,8 objektíve. Pre rovnakú expozíciu v porovnaní so sklopením zrkadlom by bolo treba zvýšiť ISO (napr. zo 400 na 600) alebo predĺžiť čas (napr. z 1/500s na 1/333 s) alebo znížiť clonu (napr. zo 4,7 na 4), prípadne kombinovať zmenu všetkých troch veličín.

B) Hybrid polozrkadlovka + bezzrkadlovka so sklápaním zrkadlom
Polopriepustné zrkadlo sa pomaly sklápa nejakým jednoduchým mechanizmom. Sklápanie môže byť ovládané ručne fotografistom z tela fotoaparátu, alebo aj automaticky napr. pri priblížení oka k elektronickému hľadáčiku.
Výhody:
- ušetrí sa zložitý mechanizmus rýchleho sklápania zrkadla, ktorý je nahradený nejakým jednoduchým (aj ručne ovládaním) sklápacím mechanizmom
Nevýhody:
- v režime polozrkadlovky, a to počas zaostrovania i počas snímania, by došlo k strate 1/3 svetla, tj. akoby bol nasadení objektív s o 1/2 väčším clonovým číslom (napr. objektív s clonou 2,8 akoby mal clonu 3,4). Hĺbka ostrosti by ale zostala zachovaná ako pri 2,8 objektíve. Pre rovnakú expozíciu v porovnaní so sklopením zrkadlom by bolo treba zvýšiť ISO (napr. zo 400 na 600) alebo predĺžiť čas (napr. z 1/500s na 1/333 s) alebo znížiť clonu (napr. zo 4,7 na 4), prípadne kombinovať zmenu všetkých troch veličín.

Ďakujem ak ste mali trpezlivosť a prečítali to až do konca. Budem rád ak pripojíte svoje názory, privítam akékoľvek pripomienky, kladné aj záporné, doplnenia i návrhy na zlepšenie.



zdroj:
digiarena.zive.cz



Zrcadlovky vs. bezzrcadlovky: odhalte jejich plusy a minusy

















zrkadlovka,
zrkadlovka 
bezzrkadlovka
bezzrcadlovka




Saturday, January 18, 2020

Water Droplet Refraction Photography



Dandelion Water Droplet Refraction Photography!




Macro Photography - Water Droplet Photo Hacks





How to Shoot Refraction Macro Photos in Water Drops, Glass Beads and More












Oil & Water Bubble Photography & Videography Tips | Macro Photography Tutorial













macro
makro
kapky
voda
rosa


Wednesday, October 23, 2019

Photo editor: Lightroom vs Caprute One vs DXO PhotoLab



In autumn not only fall leaves, but also comes the expected sw updates

2019 non-destructive photo editors BOX version,
never prepaid version



Feature Comparison: Creative Cloud 2022 vs. Previous Releases   CS6 releases
Compare Versions: What's New in Adobe CC 2022 vs. Older Releases
www.ProDesignTools.com



Main + pros and - cons



Lightroom  6   - 150 usd 
+ Edit/add EXIF data to images
+ Panorama merge
+ HDR merge  (stitching)
- box development stopped! April 2015 :(

vs

Capture One Pro 12 ( 20 )   - $420 usd    ( €350 - €500 )
- 2019 Can't edit/add EXIF data to images  (capture time...)
- No Panorama merge
- No HDR merge
- Price
+ light control
+ color control
+ better price for hobby? camera sony ...

---
+ 30% discount sometimes
+ 25% Off All Capture One Products  from   dt commercial photo
- 25% off only till 27. October (before Phase One introduce new version?)

vs

DXO PhotoLab 3 Elite  - 150 / 200 usd
- Can't edit/add EXIF data to images
- No Panorama merge
- No HDR merge
+ Repair Tool
+ ColorWheel
+ Elite Price 150 usd (but limited offer until November 24, 2019)





New DXO PhotoLab 3 tool - take it easy colour control

DxO ColorWheel





================================


history

2019
The New DxO PhotoLab 3 Is Aimed at Adobe Lightroom and Capture One :-) ?
Phase One announce Capture One 20


2015
Panorama Merge within Lightroom
High Dynamic Range Imaging within Lightroom

2014
How to Change Capture Time in Lightroom 5

2014
Best photo editing software review comparison - RAW Converters Comparison

2011
LR - Video Tutorial – Quick Tip – How to add Metadata After Importing Files




Another Adobe Lightroom Alternatives:

Zoner photo studio
ACDSee Photo Studio Ultimate
ZONER PHOTO STUDIO VS ACDSEE VS PHOTOTHECA








real reviews
new dxo photo lab 3

DxO PhotoLab 3 Software Review

DxO PhotoLab 3 Elite – Win/Mac – El Némesis de Lightroom

DxO Unveils PhotoLab 3 with HSL Tools that Leave Lightroom in the Dust

DxO PhotoLab 3 brings improved repair tools, local adjustment masks and new camera support



reviews
new capture one 20

have patience with phase one :-)
We are interesting what the new announced version C1 20 will bring us


Best photo editing software review comparison - RAW Converters Comparison






Adobe Creative Cloud
Illustrator, InDesign, InCopy, Acrobat DC, Adobe XD,
Dimension, Animate, Dream­weaver, Premiere Pro, Premiere Rush,
After Effects, Audition, Character Animator, Media Encoder, Prelude,
Bridge, Camera Raw, Lightroom, Lightroom Classic, Photoshop


www.FreeAdobeStock.com



why
review
RAW editor
+ pros and - cons
Non-destructive photo editor
Marketing lies


Thursday, August 1, 2019

All in BLACK AND WHITE

All in BLACK AND WHITE



HCSP (Hardcore Street Photography)


5 Lessons Vivian Maier Has Taught Me About Street Photography



THE BLACK AND WHITE VISION OF JOEL TJINTJELAAR
www.bwvision.com


www.digalakisphotography.com/inspirations

www.digalakisphotography.com/links

Top 10 Photographers by Joel Tjintjelaar



Diving Into the Stillness of Vassilis Tangoulis’ “Waterland”



Adjust Color Sensitivity
https://imagealchemist.net/capture-one-black-white/



VIVIAN MAIER OBITUARY


Vivian Maier, proud native of France and Chicago resident for the last 50 years died peacefully on Monday. Second mother to John, Lane and Matthew. A free and kindred spirit who magically touched the lives of all who knew her. Always ready to give her advice, opinion or a helping hand. Movie critic and photographer extraordinaire. A truly special person who will be sorely missed but whose long and wonderful life we all celebrate and will always remember. Memorial donations can be given to the Native American Heritage Association, P.O. Box 512, Rapid City, SD 57709.
Published in the Chicago Tribune on 4/23/2009




Noise Reduction in Long Exposure Photos


Joel Tjintjelaar





Photography Drawing™ (PhtD) with Topaz B&W Effects

Photography Drawing



B&W Long Exposure Masterclass

B&W Speed Workflow



Black & White Artisan Pro for Photoshop
B&W Artisan Pro X





Everything in Black & White
An Exclusive Interview with fine-art photographer Joel Tjintjelaar



Visual Acoustics I - Silence and Light - Calatrava Bridge, Amsterdam



BOOKS question: less than 28mm

Mark Cohen (21mm)
Bruce Gilden (21mm)
Josef Koudelka (25mm)
Daido Moriyama (21mm)
Jeanloupe Sieffe (21mm)



VASSILIS TANGOULIS




B&W Artisan Pro | Full Demo 1 - Zenith












How To Use The Gradient Map for Black and White Photographs



How to Create Black and White Flowers with Luminosity Masks in Photoshop





An introduction to the Artisan Pro Panel - TUTORIAL










bw
B&W
minimalist