Skip to main content
Home / Photo Printing Equipment / Automatic Variable Speed Roll Processor Teacher Sheng Darkroom Water Bath Semi-Automatic Film Developing Electric Film Processing

Attributes

Brand -
Category Office Equipment, Supplies & Services / Photo Printing Equipment
Origin -
Brand Teacher Sheng
Processing Type Semi-Automatic Roll Film
Speed Control Variable Speed Motor
Tank Capacity 2 Liters
Compatible Film Formats 35mm, 120, 220
Temperature Range 20°C to 40°C
Power Supply 110V/220V AC
Material Chemical-Resistant Plastic
Dimensions 30cm x 20cm x 25cm
Weight 2.5 kg

6 reviews

A

Anonymous

Mar 27, 2026

Rating: 4/5

Good for beginners and pros

As someone transitioning from hand-processing to machine-assisted, this was the perfect step up. The learning curve is minimal, and the results are professional grade.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect for consistent development

This processor has completely changed my darkroom workflow. The variable speed control allows me to fine-tune the agitation for different film stocks, resulting in very consistent negatives.

A

Anonymous

Mar 19, 2026

Rating: 4/5

Solid performance

Does what it says on the tin. The motor is quiet, and the speed adjustment is smooth. Only minor complaint is the power cord could be a bit longer.

A

Anonymous

Mar 17, 2026

Rating: 4/5

Great value for semi-auto processing

Works exactly as described. It's not fully automatic, but the electric motor saves a lot of wrist fatigue compared to manual inversion. The water bath keeps temperatures stable.

A

Anonymous

Mar 13, 2026

Rating: 5/5

Excellent temperature stability

The integrated water bath feature is a game changer for maintaining precise chemical temperatures during long development cycles. Highly recommended for color film work.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Reliable and sturdy

I've processed over 50 rolls of 120 film with this unit without any issues. The build quality is solid, and it handles chemicals well without degrading.

5 FAQ

Q: Can I use this for C-41 color processing?

A: Absolutely. The precise temperature control and consistent agitation make it suitable for C-41 color negative processing as well as black and white.

Q: Can this processor handle 35mm film reels?

A: Yes, this unit is compatible with standard 35mm, 120, and 220 film reels using appropriate tanks.

Q: What is the warranty period for this device?

A: The Teacher Sheng Automatic Variable Speed Roll Processor comes with a standard 1-year manufacturer warranty covering defects in materials and workmanship.

Q: Is a separate heater required for the water bath?

A: No, the unit includes an integrated heating element to maintain the water bath temperature within the specified range.

Q: Does the variable speed affect the agitation intensity?

A: Yes, adjusting the speed changes the rotation rate of the reel, allowing you to control agitation intensity from gentle to vigorous.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Car Tire Stone Removal Hook - Portable Multi-function Tool for Cleaning Gravel from Tire Treads

Car Tire Stone Removal Hook - Portable Multi-function Tool for Cleaning Gravel from Tire Treads

$7.00

Imported TRANS Gearbox Eccentric Bearing 614 59 7187 616 0608 11-15 11 YSX

Imported TRANS Gearbox Eccentric Bearing 614 59 7187 616 0608 11-15 11 YSX

$183.00

Sichuan Rongxian Earthware Minfeng Wine Jar, Home Pottery with Porcelain Liner, 600-Jin Unglazed Sealed Fermentation Vessel for Homemade Liquor

Sichuan Rongxian Earthware Minfeng Wine Jar, Home Pottery with Porcelain Liner, 600-Jin Unglazed Sealed Fermentation Vessel for Homemade Liquor

$901.00

Garlic Drum Sorting Machine - Single-Clove Garlic Grading Separator and Onion Sizing Sorter - Factory Direct Sales

Garlic Drum Sorting Machine - Single-Clove Garlic Grading Separator and Onion Sizing Sorter - Factory Direct Sales

$38,080.00

Aizaofang Food-Grade Soft Silicone Handmade Soap Mold Korean Rectangular 3D Tree Shadow Silicone Mold

Aizaofang Food-Grade Soft Silicone Handmade Soap Mold Korean Rectangular 3D Tree Shadow Silicone Mold

$23.00

JMC Yusheng & Yuhu Parts – Crankshaft Position Sensor, Signal Sensor, Original Equipment

JMC Yusheng & Yuhu Parts – Crankshaft Position Sensor, Signal Sensor, Original Equipment

$95.00

[10% Off for 2 Items] Calligraphy Wool Felt Mat - Double-Sided Painted Practice Pad for Students, Bulk Wholesale, Includes Arm Rest and Four Treasures of the Study Set

[10% Off for 2 Items] Calligraphy Wool Felt Mat - Double-Sided Painted Practice Pad for Students, Bulk Wholesale, Includes Arm Rest and Four Treasures of the Study Set

$6.63

Leak-Proof Retainer Case with Double-Layer Filter for Braces, Aligners, and Dentures - Portable Cleaning and Soaking Box

Leak-Proof Retainer Case with Double-Layer Filter for Braces, Aligners, and Dentures - Portable Cleaning and Soaking Box

$22.50

Car Tire Stone Removal Hook Tool, Explosive Tire Prevention Gadget, Durable Zinc Alloy Tire Cleaning Hook for Automotive Care

Car Tire Stone Removal Hook Tool, Explosive Tire Prevention Gadget, Durable Zinc Alloy Tire Cleaning Hook for Automotive Care

$10.90

[Damai Micro-Needle Hair Transplant Patent] Micro-Needle Planting (500 Units) - Suitable for Temples and Hairline

[Damai Micro-Needle Hair Transplant Patent] Micro-Needle Planting (500 Units) - Suitable for Temples and Hairline

$4,500.00

Japan Original FEC Lifting Chain - Specialized for Electric Hoist, 6.3mm Diameter Carburized Lifting Chain

Japan Original FEC Lifting Chain - Specialized for Electric Hoist, 6.3mm Diameter Carburized Lifting Chain

$223.00

X-RAY Coating Thickness Gauge - Desktop Tianrui Professional Analyzer for Metal Electroplating Layers

X-RAY Coating Thickness Gauge - Desktop Tianrui Professional Analyzer for Metal Electroplating Layers

$9,589.60

Heavy Truck Tire Cleaning Strips - Wear-Resistant Mud Flaps and Inner Tube Skirts - Decorative Tire Tassels

Heavy Truck Tire Cleaning Strips - Wear-Resistant Mud Flaps and Inner Tube Skirts - Decorative Tire Tassels

$9.05

Mixue Bingcheng Tanned Snow King Blind Box Figure Girls Gift Birthday Cute Plush Keychain Holiday Present

Mixue Bingcheng Tanned Snow King Blind Box Figure Girls Gift Birthday Cute Plush Keychain Holiday Present

$21.01

Smart Battery Tester with Full Protection - Performance Detector for EV and Car Batteries

Smart Battery Tester with Full Protection - Performance Detector for EV and Car Batteries

$269.00

Schneider Leakage Switch IC65 Vigi C120H 2/4P D80/100/125A Leakage Circuit Breaker

Schneider Leakage Switch IC65 Vigi C120H 2/4P D80/100/125A Leakage Circuit Breaker

$1,347.75

Wenxin Tang Pumpkin-Shaped Ceramic Water Pot - Small Celadon Glaze Brush Washer for Chinese Calligraphy

Wenxin Tang Pumpkin-Shaped Ceramic Water Pot - Small Celadon Glaze Brush Washer for Chinese Calligraphy

$18.50

Dehua Mutton Fat White Porcelain Brush Washer - Minimalist Modern Ceramic Water Pot and Scholar's Desk Ornament

Dehua Mutton Fat White Porcelain Brush Washer - Minimalist Modern Ceramic Water Pot and Scholar's Desk Ornament

$39.70

Lifting Chain Slings, Four-Leg Chain Rigging with Hooks and Shackles, Manganese Steel Chains for Crane Hoisting

Lifting Chain Slings, Four-Leg Chain Rigging with Hooks and Shackles, Manganese Steel Chains for Crane Hoisting

$79.20

Taikang Bybo Dental Straumann ITI Dental Implant Metal Abutment TK

Taikang Bybo Dental Straumann ITI Dental Implant Metal Abutment TK

$8,330.00

Factory Supply Adjustable Radish Strip Cutter, Multi-Function Vegetable Slicer for Green Radishes

Factory Supply Adjustable Radish Strip Cutter, Multi-Function Vegetable Slicer for Green Radishes

$5,395.00

Magnetic Cable Organizer - Desktop Phone Charging Data Cord Management Stand and Car Mount Clip

Magnetic Cable Organizer - Desktop Phone Charging Data Cord Management Stand and Car Mount Clip

$13.45

Yuanhao Irregular Ticket-Style Watercolor Paper Stamp Blank Journal Sheet Postcard Creative Card Bookmark 300g Cotton Pulp Fine Texture Thickened Serrated Edge for Art Students Hand Drawing

Yuanhao Irregular Ticket-Style Watercolor Paper Stamp Blank Journal Sheet Postcard Creative Card Bookmark 300g Cotton Pulp Fine Texture Thickened Serrated Edge for Art Students Hand Drawing

$5.32

Residential & Commercial Entrance Nameplate Japanese Wabi-Sabi Style Sign Brass Stainless Steel Wall Light Customizable

Residential & Commercial Entrance Nameplate Japanese Wabi-Sabi Style Sign Brass Stainless Steel Wall Light Customizable

$328.00

Carton Packaging Machinery - New Model 2000 Semi-Auto Gluing Machine, Case Sealer, Pressure-Type

Carton Packaging Machinery - New Model 2000 Semi-Auto Gluing Machine, Case Sealer, Pressure-Type

$5,000.00

Shandong Manufacturer Household Waste Compactor - Horizontal Transfer Station Equipment for Communities

Shandong Manufacturer Household Waste Compactor - Horizontal Transfer Station Equipment for Communities

$44,160.00

460 Fast-Drying Adhesive for Shoes, Ceramics, Wood, Metal, and Plastic, No Whitening Effect

460 Fast-Drying Adhesive for Shoes, Ceramics, Wood, Metal, and Plastic, No Whitening Effect

$34.50

231 "Embroidered Plant Garden" Handmade Travel Watercolor Sketchbook Journal Baohong Rubens

231 "Embroidered Plant Garden" Handmade Travel Watercolor Sketchbook Journal Baohong Rubens

$49.00

Beginner Watercolor Painting Line Art Coloring Book: Geisha Theme, Japanese Style Fine Grain, Two-Pack Free Shipping

Beginner Watercolor Painting Line Art Coloring Book: Geisha Theme, Japanese Style Fine Grain, Two-Pack Free Shipping

$10.60

White Clay Tea Brewing Pot, Ceramic Jar, Japanese-style High-temperature Side-handle Teapot and Coffee Pot

White Clay Tea Brewing Pot, Ceramic Jar, Japanese-style High-temperature Side-handle Teapot and Coffee Pot

$92.00