- Programming and mathematics
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Photography - technique and gear
- Personal path to star tracking with reviews of Omegon MiniTrack LX4 Quattro NS and Vixen Polarie U
- Tamron 50-400/4.5-6.3 Di III VC VXD review and test pictures (compared with Sony 100-400mm GM, Sigma 100-400 DG HSM Canon on MC-11, 24-105/4G, 55ZA, 85G)
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Photographing the Moon with landscape using a long focal lengths (English)
Fotíme Měsíc s krajinou dlouhým ohniskem (Česky) - From Nikon D750 to Sony A7III? (English)
Z Nikonu D750 na Sony A7III? (Czech) - Tripod & ballhead & technique test
- On Bokeh
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Photography - pictures and related videos
- Fotím dva úplňky s Milešovkou, Duben 2025 (Video in Czech, subtitles available)
- Micro-full moon with Milešovka, Bohemian Central Highlands, April 2025
- Fotím duše stromů na Bouřňáku, Březen 2025 (Video in Czech, subtitles available)
- Souls of trees at Bouřňák, Ore Mountains, March 2025
- Fotím a zpracovávám Orion ve Středohoří, Prosinec 2024 (Video in Czech, subtitles available)
- Orion from Třtín, Bohemian Central Highlands, December 2024
- Fotím ranní mlhy ze Skalek ve Středohoří, Listopad 2024 (Video in Czech, subtitles available)
- Morning fogs from Skalky, Bohemian Central Highlands, November 2024
- Fotím večerní mlhy ve Středohoří, Listopad 2024 (Video in Czech, subtitles available)
- Evening fogs in Bohemian Central Highlands, November 2024
- Fotím kouzelný strom s kometou C/2023 A3 Tsuchinshan-ATLAS ve Středohoří, Říjen 2024 (Video in Czech, subtitles available)
- Magical tree with comet C/2023 A3 Tsuchinshan-ATLAS, October 2024
- Fotím ranní mlhy ve Středohoří, Říjen 2024 (Video in Czech, subtitles available)
- Morning fogs from Třtín, October 2024
- Fotím Kalvárii s Mléčnou dráhou, Říjen 2024 (Video in Czech, subtitles available)
- Night view on Úštěk city and Sedlo mountain from Cavalry in Ostré, October 2024
- Fotím naši galaxii se stromem a zříceninou, Červenec a Srpen 2024 (Video in Czech, subtitles available)
- Our galaxy with landscape: a tree in Křivoklát region and ruis of Oltářík castle (Deepscape), July and August 2024
- Fotím z tajné vyhlídky na severu Čech, Červen 2024 (Video in Czech, subtitles available)
- Secret vista at north of Czechia, June 2024
- Fotím Měsíc s krajinou a jetel inkarnát v Českém Středohoří, Květen 2024 (Video in Czech, subtitles available)
- Moon with hills and trifolium incarnatum fields, Bohemian Central Highlands, May 2024
- Timelapse of Aurora Borealis around Brník and Šibeník hills, Bohemian Central Highlands, May 2024
- Aurora Borealis around Brník and Šibeník hills, Bohemian Central Highlands, May 2024
- Views from Oblík, Srdov and Brník hills, Bohemian Central Highlands, April 2024
- Views around Křížová hora and Lysá hora, Bohemian Central Highlands, April 2024
- Crescent Moon with comet 12P/Pons-Brooks, Jupiter with Moons (Callisto, Europa, Ganymed), Uranus and Bezděz castle, April 2024
- Sunset over Bohemian Central Highlands, March 2024
- Hazmburk with 12P/Pons–Brooks comet, March 2024
- A view from Skalky with stars and at sunrise, Bohemian Central Highlands, February 2024
- Prague in mist, January 2024
- Lysá Hora in Bohemian Central Highlands, January 2024
- My top 12 pictures of 2023
- Moonrise over Hazmburk castle, November 2023
- Views on Bohemian Central Highlands with Fog, November 2023
- Rocks of Příhrazy, Bohemian Paradise, November 2023
- Views on Oblík hill, Raná hill, Milá hill from Srdov hill, Views on Košťálov and surroundings, October 2023
- Industrial views from Srdov hill, Bohemian Central Highlands, October 2023
- A tree and a view from Plešivec hill, Bohemian Central Highlands, October 2023
- Labe viewpoint and views from Děčínský Sněžník, October 2023
- Moon over Milešovka hill, Bohemian Central Highlands, August 2023
- Súľov Rocks, Slovakia, July 2023
- Stars above Berounka river, July 2023
- Bezděz castle with Moon and surroundings, June 2023
- Blooming Skalky, Bohemian Central Highlands, May 2023
- Trip to Skalky, Moravany and around Libčeves, Bohemian Central Highlands, April 2023
- Rohatec hill and views of the surroundings, Bohemian Central Highlands, April 2023
- Moonrise over Karlštejn castle, February 2023
- Trip around Brník and Křížové vršky, Bohemian Central Highlands, January 2023
- Bohemian Central Highlands with red sky, January 2023
- My top 5 pictures of 2022
- Views from Ostrý ruins from sunset to night, November 2022
- Kašperk castle 2, October 2022
- Views on Oltařík and from Lipská hill with Fog, October 2022
- Děčínský Sněžník 2, October 2022
- Views from Kvítel, Bohemian Central Highlands, October 2022
- Magical trees in a gorge above Labe rive, Bohemian Central Highlands, October 2022
- Views from Skalky 2, Bohemian Central Highlands, October 2022
- Bořeň hill with Moonrise, Bohemian Central Highlands, October 2022
- Views from Skalky, Bohemian Central Highlands, October 2022
- Views from Vrabinec, July 2022
- Trip in Bohemian Forest: Nové Údolí - Třístoličník/Dreisessel - Nová Pec, July 2022
- Ronov and Strážný vrch, July 2022
- Sunset at Lysá hora, May 2022
- Moonrise over Hazmburk castle, May 2022
- Skalky and near Vlastislav, Bohemian Central Highlands, May 2022
- Děčínský Sněžník, May 2022
- Views around Labe river near Ústí nad Labem, April 2022
- Sandstones of Labe river near Děčín, March 2022
- Sunrise over Bořeň hill, February 2022
- Točník castle with moonset, December 2021
- Kašperk castle, October 2021
- Trip around Tlučeň, Plešivec and Varhošť, October 2021
- Bohemian Central Highlands in Louny area, August 2021
- Máj vantage point - sunset and night, July 2021
- Views from Tetín 8, waterfall in Tetín and Berounka river, July 2021
- Sunset in Lusatian Mountains, sunrise in Ralsko Upland and Dolanský pond, June 2021
- Labe river vistas in Bohemian Central Highlands, May 2021
- Brník, Srdov and surroundings in Bohemian Central Highlands, May 2021
- Vltava river in Modřany, February 2021
- Karlštejn castle with moonrise, January 2021
- Točník castle with moonset, December 2020
- Točník castle with a bit of snow and morning sunlight, December 2020
- Tetín from the opposite bank of Berounka river, December 2020
- View on Sázava river from Třeštibok 2, November 2020
- View on Vltava near Trnová, November 2020
- Trip from Štěchovice to Třebenice in Vltava river valley, October 2020
- View on Sázava river from Třeštibok, October 2020
- Views from Třtín and Lipská hora, October 2020
- Orlík, September 2020
- View on Sázava river, July 2020
- Hazmburk and Comet C/2020 F3 (NEOWISE), July 2020
- Trip around Křižany, June 2020
- Trip around Vlastislav, Plešivec, Oltářík, May 2020
- Vrané n.V. and Zvolská homole, May 2020
- Trip from Velemín to Milešovka, Ostrý and back to Velemín, May 2020
- Moonrise over Hazmburk, May 2020
- Trip around Varhošť, Plešivec, Lysá hora, May 2020
- Trip around Sutom, Boreč and Košťálov, April 2020
- Trip in Bohemian Karst: Tobolka-Korno-Liteň-Tobolka, April 2020
- Views on Černošice, January 2020
- Karlštejn, December 2019
- Bořeň hill, November 2019
- Petřín Tower, Prague, November 2019
- Views from Košťál hill and Košťálov castle ruins with stars, October 2019
- Trip from Velemín to Třebívlice, October 2019
- Trip from Ústí nad Labem to Litoměřice, October 2019
- Views from Lovoš 2, October 2019
- Quary above Berounka river (Korno - Tomáškův lom), September 2019
- Views from Lovoš, September 2019
- Prague from Vyšehrad and few bridges, August 2019
- Views from Tetín 7 - after rain, July 2019
- Prague near Prague Castle, July 2019
- Orlík dam and surroundings, June 2019
- Žampach bridge and views, June 2019
- Morning views from Rynartice, May 2019
- Views on St. Jan and views from Tetín, April 2019
- Prague Castle before storm, April 2019
- Točník, April 2019
- Hředle - Točník, April 2019
- Prague around Nový Svět, February 2019
- Views from Tetín 6, October 2018
- Prague around Prague Castle, October 2018
- View on Vltava below Orlík 3, October 2018
- Views from Tetín 5, September 2018
- View on Vltava below Orlík 2 (Milada lookout tower, dam, horseshoe), September 2018
- Prague around Prague Castle, June 2018
- Plešivec u Hostomic, May 2018
- Svatý Jan pod Skalou, February 2018
- Šárka and Prague Castle, February 2018
- Trip Dobřichovice - Vonoklasy, February 2018
- Prague Castle and Old Town, January 2018
- Prague with Moon, January 2018
- Views from Tetín 4, October 2017
- View on Vltava below Orlík, June 2017
- Trip from Zbraslav to Cukrák, May 2017
- Views from Tetín 3, April 2017
- Walk around Slapy and Štěchovice, March 2017
- Máj vantage point, March 2017
- Lookout tower Špulka, March 2017
- Lookout tower Máminka near Hudlice, March 2017
- Views from Tetín 2, November 2016
- Views from Tetín, October 2016
- Walk around Ctirad, Prague Radlice, September 2016
- Trip Zbečno-Klíčava-Křivoklát-Roztoky-Zbečno, July 2016
- Views on Prague from Dobeška, June 2016
- Prokop Valley, April 2016
- Charles Bridge - blue hour progression, July 2015
- Trip near Slapy reservoir, March 2015
- Prague castle with stars, January 2015
- Landscape & Milkyway near Lipno, August 2014
- Trip near Sázava city, May 2014
- Prague morning, evening and morning next day in single picture, December 2013
- Prague morning and evening, November 2013
- Hike in Czech country, Dubá - Mšeno, July 2013
- "Amerika" quarry 2011 (2009)
- Dívčí hrady (in Prague), June 2011
- Kozákov Hill - Winter landscape, January 2011
- Prague - Old Town Square with flower carpet, September 2010
- Prokop's Valley, August 2009
- Fireworks over Vltava river, August 2009
- Early Prague Morning, August 2009
- Prague Castle by midnight, July 2009
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Old photography gear reviews
- Nikon 24-120/4vr vs. Nikon 18-35G vs. Tamron 70-300vc landscape comparison
- Sigma 24/1.4 Art vs. Nikon 18-35G f/3.5-4.5 at 24mm comparison
- Nikon D90 + AF-S DX NIKKOR 10-24mm f/3.5-4.5G ED vs. Nikon D610 + AF-S NIKKOR 18-35mm f/3.5-4.5G ED comparison
- Nikon Nikkor 10-24mm f/3.5-4.5 Lens Mini Review Updated 20130529 with use on FX
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Common Lisp
- Simplified Common Lisp Reference
- Syntax reference extracted from Common Lisp HyperSpec(TM) by simple ruby script simple script
Obsolte stuff
- Nokia 770 / Maemo applications
- Making informed choice between Nikon D610 and D800
- Worst of Nikon
- Modeling camera sensors
- Quick comparison LG G4 vs. Nikon D610+18-35G
About me
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Contact
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